0001213900-22-035343 | F-1/A | XBRL Viewer

Document And Entity Information	11 Months Ended
Dec. 31, 2021
Document Information Line Items
Entity Registrant Name	SAI.TECH Global Corp
Document Type	F-1/A
Amendment Flag	true
Amendment Description	AMENDMENT NO.1
Entity Central Index Key	0001847075
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	#01-05 Pearl’s Hill Terrace
Entity Address, Country	SG
Entity Address, City or Town	Singapore
Entity Address, Postal Zip Code	168976
City Area Code	+65
Local Phone Number	9656 5641

Balance Sheet	Dec. 31, 2021 USD ($)
Current assets
Cash	$ 28,079
Prepaid expenses	74,078
Total Current Assets	102,157
Investments held in Trust Account	44,891,829
Total Assets	44,993,986
Liabilities, Temporary Equity, and Shareholders’ Deficit
Accounts payable and accrued expenses	1,459,098
Related party loans	130,000
Total Current Liabilities	1,589,098
Deferred underwriters’ marketing fees	1,571,145
Total Liabilities	3,160,243
Commitments and Contingencies
Ordinary shares subject to possible redemption, 4,488,986 shares at conversion value of $10.00 per share	44,889,860
Shareholders’ Deficit:
Preference shares, $0.0001 par value, 1,000,000 shares authorized, none issued and outstanding
Class A ordinary shares, $0.0001 par value, 200,000,000 shares authorized, 1,074,780 issued and outstanding (excluding 4,488,986 shares subject to possible redemption)	107
Class B ordinary shares, $0.0001 par value, 20,000,000 shares authorized, 272,247 shares issued and outstanding	27
Additional paid-in capital
Accumulated deficit	(3,056,251)
Total Shareholders’ Deficit	(3,056,117)
Total Liabilities, Temporary Equity and Shareholders’ Deficit	$ 44,993,986

Balance Sheet (Parentheticals)	Dec. 31, 2021 $ / shares shares
Ordinary shares subject to possible redemption, shares	4,488,986
Ordinary shares subject to possible redemption, conversion value per share (in Dollars per share) \| $ / shares	$ 10
Preference shares, par value (in Dollars per share) \| $ / shares	$ 0.0001
Preference shares, shares authorized	1,000,000
Preference shares, shares issued
Preference shares, shares outstanding
Class A Ordinary Shares
Ordinary shares, par value (in Dollars per share) \| $ / shares	$ 0.0001
Ordinary shares, shares authorized	200,000,000
Ordinary shares, shares issued	1,074,780
Ordinary shares, shares outstanding	1,074,780
Class B Ordinary Shares
Ordinary shares, par value (in Dollars per share) \| $ / shares	$ 0.0001
Ordinary shares, shares authorized	20,000,000
Ordinary shares, shares issued	272,247
Ordinary shares, shares outstanding	272,247

Statements of Operations	11 Months Ended
Statements of Operations	Dec. 31, 2021 USD ($) $ / shares shares
Formation and operating costs	$ 1,925,574
Loss from operations	(1,925,574)
Other income:
Interest earned on investment held in Trust Account	1,969
Loss before income taxes	(1,923,605)
Income taxes
Net loss	$ (1,923,605)
Basic and diluted weighted average shares outstanding, Ordinary shares attributable to TradeUP Global Corporation (in Shares) \| shares	1,244,225
Basic and diluted net loss per share, Ordinary shares attributable to TradeUP Global Corporation (in Dollars per share) \| $ / shares	$ (1.46)
Class A Ordinary Shares Subject to Possible Redemption
Other income:
Basic and diluted weighted average shares outstanding, Ordinary shares attributable to TradeUP Global Corporation (in Shares) \| shares	3,191,545
Basic and diluted net loss per share, Ordinary shares attributable to TradeUP Global Corporation (in Dollars per share) \| $ / shares	$ (0.03)

Statement of Changes in Shareholders' Deficit - 11 months ended Dec. 31, 2021 - USD ($)	Class A Ordinary Shares	Class B Ordinary Shares	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Jan. 25, 2021
Balance (in Shares) at Jan. 25, 2021
Founder shares issued to initial shareholder		$ 115	24,885		25,000
Founder shares issued to initial shareholder (in Shares)		1,150,000
Sale of units through public offering	$ 400		39,999,600		40,000,000
Sale of units through public offering (in Shares)	4,000,000
Sale of over-allotment units	$ 49		4,889,811		4,889,860
Sale of over-allotment units (in Shares)	488,986
Underwriters’ discount			(897,797)		(897,797)
Underwriters’ marketing fees			(1,571,145)		(1,571,145)
Other offering expenses			(936,370)		(936,370)
Sale of private placement shares	$ 22		2,247,778		2,247,800
Sale of private placement shares (in Shares)	224,780
Forfeiture of Class B ordinary shares by initial shareholder		$ (3)	3
Forfeiture of Class B ordinary shares by initial shareholder (in Shares)		(27,753)
Conversion of Class B founder shares into Class A ordinary shares	$ 85	$ (85)
Conversion of Class B founder shares into Class A ordinary shares (in Shares)	850,000	(850,000)
Change in value of ordinary shares subject to redemption	$ (449)		(43,624,293)		(43,624,742)
Change in value of ordinary shares subject to redemption (in Shares)	(4,488,986)
Allocation of offering costs to ordinary shares subject to redemption			3,309,341		3,309,341
Accretion of carrying value to redemption value			(3,441,813)	(1,132,646)	(4,574,459)
Net loss				(1,923,605)	(1,923,605)
Balance at Dec. 31, 2021	$ 107	$ 27		$ (3,056,251)	$ (3,056,117)
Balance (in Shares) at Dec. 31, 2021	1,074,780	272,247

Statement of Cash Flows	11 Months Ended
Statement of Cash Flows	Dec. 31, 2021 USD ($)
Cash Flows from Operating Activities:
Net loss	$ (1,923,605)
Interest earned on investment held in Trust Account	(1,969)
Changes in operating assets and liabilities:
Prepaid expenses	(74,078)
Accounts payable and accrued expenses	1,176,778
Net Cash Used in Operating Activities	(822,874)
Cash Flows from Investing Activities:
Purchase of investment held in Trust Account	(44,889,860)
Net Cash Used in Investing Activities	(44,889,860)
Cash Flows from Financing Activities:
Proceeds from sale of units through public offering	40,000,000
Proceeds from sale of over-allotment units	4,889,860
Payment of underwriters’ discount	(897,797)
Payment of offering costs	(624,050)
Proceeds from sale of private placement shares	2,247,800
Proceeds from issuance of promissory note to related party	220,000
Repayment of promissory note to related party	(225,000)
Proceeds from related party loans	158,000
Repayment of related party loans	(28,000)
Net Cash Provided by Financing Activities	45,740,813
Net Change in Cash	28,079
Cash at beginning of period
Cash at end of period	28,079
Supplemental Disclosure of Non-cash Financing Activities
Offering costs paid by Sponsor in exchange for issuance of Class B ordinary shares	25,000
Offering costs paid by promissory note – related party	5,000
Accrued deferred offering costs	282,320
Deferred underwriting compensation	1,571,145
Change in value of Class A ordinary shares subject to possible redemption	43,624,742
Allocation of offering costs to ordinary shares subject to redemption	3,309,341
Accretion of carrying value to redemption value	$ 4,574,459

Organization and Business Operation

11 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Organization and Business Operation

Note 1 — Organization and Business Operation

Organization

TradeUP Global Corporation (the “Company” or “TradeUP”) is a newly organized blank check company incorporated as a Cayman Islands exempted company on January 26, 2021. The Company was formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses (the “Business Combination”). The Company has selected December 31 as its fiscal year end.

As of December 31, 2021, the Company had not commenced any operations. For the period from January 26, 2021 (inception) through December 31, 2021, the Company’s efforts have been limited to organizational activities as well as activities related to the initial public offering (the “Initial Public Offering”) of units consisting of one Class A ordinary share and one-half of one warrant to purchase a Class A ordinary share at $11.50 per share (the “Units”). The Company will not generate any operating revenues until after the completion of a Business Combination, at the earliest. The Company will generate non-operating income in the form of interest income from the proceeds derived from the Initial Public Offering.

The registration statement for the Company’s Initial Public Offering became effective on April 28, 2021. On May 3, 2021, the Company consummated the Initial Public Offering of 4,000,000 Units (the “Public Units”) at $10.00 per Public Unit, generating gross proceeds of $40,000,000, which is described in Note 4.

Simultaneously with the closing of the Initial Public Offering, the Company consummated the sale of 215,000 Class A ordinary shares (the “Initial Private Placement Shares”) at a price of $10.00 per Private Placement Share in a private placement (the “Initial Private Placement”) to the Company’s founder and sponsor, TradeUP Global Sponsor LLC (the “Sponsor”), generating gross proceeds of $2,150,000, which is described in Note 5. Transaction costs of the Initial Public Offering and the Private Placement amounted to $3,030,656, consisting of $800,000 of underwriting fees, $1,400,000 of deferred underwriters’ marketing fees and $830,656 of other offering costs.

On May 12, 2021, the underwriters partially exercised the over-allotment option and purchased 488,986 additional Units (the “Option Units”) generating gross proceeds of $4,889,860. Simultaneously with the issuance and sale of the Option Units, the Company consummated a private placement (the “Additional Private Placement,” and together with the Initial Private Placement, the “Private Placement”) with the Sponsor of an aggregate of 9,780 Class A Ordinary Shares (the “Additional Private Placement Shares” and together with the Initial Private Placement Shares, the “Private Placement Shares”) at a price of $10.00 per Additional Private Placement Share, generating total proceeds of $97,800. Transaction costs associated with the sale of the Option Units and the Additional Private Placement Shares amounted to $374,656, consisting of $97,797 of underwriting fees, $171,145 of deferred underwriters’ marketing fees and $105,714 of other offering costs.

Following the closing of the Initial Public Offering on May 3, 2021 and the issuance and sale of the Option Units on May 12, 2021, $44,889,860 from the net proceeds of the sale of the Public Units and Option Units in the Initial Public Offering was placed in a trust account (the “Trust Account”) maintained by Wilmington Trust, National Association as a trustee. The aggregate amount of $44,889,860 ($10.00 per Public Unit and Option Unit) was invested in United States “government securities” within the meaning of Section 2(a)(16) of the Investment Company Act of 1940, as amended (the “Investment Company Act”) having a maturity of 185 days or less or in money market funds meeting certain conditions under Rule 2a-7 promulgated under the Investment Company Act that invest only in direct U.S. government treasury obligations. Pursuant to the trust agreement, the trustee is not permitted to invest in other securities or assets. By restricting the investment of the proceeds to these instruments, and by having a business plan targeted at acquiring and growing businesses for the long term (rather than on buying and selling businesses in the manner of a merchant bank or private equity fund), the Company intends to avoid being deemed an “investment company” within the meaning of the Investment Company Act. The Initial Public Offering is not intended for persons who are seeking a return on investments in government securities or investment securities. The Trust Account is intended as a holding place for funds pending the earliest to occur of: (i) the completion of the Company’s initial Business Combination; (ii) the redemption of any public Class A ordinary shares issued in connection with the sale of the Public Units and the Option Units (the “Public Shares”) properly tendered in connection with a shareholder vote to amend the Company’s amended

and restated memorandum and articles of association that would affect the substance or timing of the Company’s obligation to provide for the redemption of its Public Shares in connection with an initial Business Combination or to redeem 100% of its Public Shares if the Company has not consummated an initial Business Combination within 18 months from the closing of the Initial Public Offering; or (iii) absent an initial Business Combination within 18 months from the closing of the Initial Public Offering, its return of the funds held in the Trust Account to its public shareholders as part of its redemption of the Public Shares. The proceeds deposited in the Trust Account could become subject to the claims of the Company’s creditors, if any, which could have priority over the claims of the Company’s public shareholders.

On September 27, 2021, the Company entered into a business combination agreement (as it may be amended from time to time, the “Business Combination Agreement”), with TGC Merger Sub, a Cayman Islands exempted company and a wholly owned subsidiary of TradeUP (“Merger Sub”), and SAITECH Limited, a Cayman Islands exempted company (“SAI”), as amended on October 20, 2021 by the Amendment to Business Combination Agreement and as further amended on January 26, 2022 by the Second Amendment to Business Combination Agreement (the “Second Amendment”). The Business Combination Agreement provides that, among other things, Merger Sub will merger with and into SAI, with SAI surviving the merger as a wholly owned subsidiary of TradeUP (the “merger” and the merger and the other transactions contemplated by the Business Combination Agreement, together, the “Business Combination”). In connection with the Business Combination, TradeUP will change its corporate name to “SAI.TECH Global Corporation” (“New SAI”).

The Company’s initial Business Combination must occur with one or more target businesses that together have an aggregate fair market value of at least 80% of the assets held in the Trust Account (excluding fees payable to the underwriters pursuant to the Business Combination Marketing Agreement dated April 28, 2021, among the Company, US Tiger Securities, Inc. and R.F. Lafferty & Co., Inc, defined herein as the “Business Combination Fee”) and taxes payable and interest previously released for working capital purposes on the income earned on the Trust Account) at the time of the agreement to enter into the initial Business Combination. However, the Company will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the target or otherwise acquires an interest in the target sufficient for the post-transaction company not to be required to register as an investment company under the Investment Company Act. There is no assurance that the Company will be able to complete a Business Combination successfully.

The ordinary shares subject to possible redemption have been recorded at a redemption value and classified as temporary equity, in accordance with Accounting Standards Codification (“ASC”) Topic 480 “Distinguishing Liabilities from Equity.” In such case, the Company will proceed with a Business Combination if the Company has net tangible assets of at least $5,000,001 upon such consummation of a Business Combination and, if the Company seeks shareholder approval, a majority of the issued and outstanding shares voted are voted in favor of the Business Combination. The Company will have until November 3, 2022, 18 months from the closing of the Initial Public Offering, to consummate a Business Combination (the “Combination Period”). If the Company is unable to complete the initial Business Combination within the Combination Period, the Company will: (i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account including interest earned on the funds held in the Trust Account and not previously released to the Company for working capital purposes or to pay the Company’s taxes (less up to $100,000 of interest to pay dissolution expenses), divided by the number of then outstanding public shares, which redemption will completely extinguish public shareholders’ rights as shareholders (including the right to receive further liquidating distributions, if any), subject to applicable law, and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s remaining shareholders and its board of directors, dissolve and liquidate, subject in each case to the Company’s obligations under Cayman Islands law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to the Company’s warrants, which will expire worthless if the Company fails to complete the Business Combination within the 18-month time period.

Company shares issued to the Sponsor in connection with the organization of the Company (the “Founder shares are designated as Class B ordinary shares and, except as described below, are identical to the Class A ordinary shares included in Public Units and the Option units. Holders of Founder shares have the same shareholder rights as public shareholders, except that (i) prior to the Company’s initial Business Combination, only holders of the Company’s Class B ordinary shares have the right to vote on the appointment of directors, including in connection with the completion of the Company’s initial Business Combination and holders of a majority of the Company’s Class B ordinary shares may remove a member of the board of directors for any reason; (ii) the Founder shares are subject to certain transfer restrictions, as described in more detail below; (iii) the Sponsor and certain shareholders that have acquired Class A or Class B ordinary shares from the Sponsor (the “Initial Shareholders”) have entered into an agreement with the Company, pursuant to which they have agreed to (A) waive their redemption rights with respect to their Founder shares and public shares in connection with the completion of the Company’s initial Business Combination, (B) waive their redemption rights with respect to their Founder shares and Public Shares in connection with a shareholder vote to approve an amendment to the Company’s amended and restated memorandum and articles of association that would affect the substance or timing of the Company’s obligation to provide for the redemption of the Company’s public shares in connection with an initial Business Combination or to redeem 100% of the Company’s Public Shares if the Company has not consummated an initial Business Combination within the Combination Period and (C) waive their rights to liquidating distributions from the Trust Account with respect to their Founder shares if the Company fails to complete its initial Business Combination within the Combination Period (although they will be entitled to liquidating distributions from the Trust Account with respect to any Public Shares they hold if the Company fails to complete its initial Business Combination within the Combination Period); (iv) the Founder shares will automatically convert into Class A ordinary shares concurrently with or immediately following the consummation of the Company’s initial Business Combination, or earlier at the option of the holder thereof; and (v) the Founder shares are entitled to registration rights. If the Company submits its initial Business Combination to its public shareholders for a vote, its initial shareholders have agreed to vote their Founder shares and any Public Shares purchased during or after the Initial Public Offering in favor of its initial Business Combination. The other members of the Company’s management team have entered into agreements similar to the one entered into by the Company’s Sponsor with respect to any Public Shares acquired by them in or after Initial Public Offering.

The Sponsor has agreed that it will be liable to the Company if and to the extent any claims by a third party for services rendered or products sold to the Company, or by a prospective target business with which the Company has discussed entering into a transaction agreement, reduce the amount of funds in the Trust Account to below (i) $10.00 per Public Share or (ii) such lesser amount per Public Share held in the Trust Account as of the date of the liquidation of the Trust Account due to reductions in the value of the trust assets, in each case net of the interest which may be withdrawn to pay taxes. This liability will not apply with respect to any claims by a third party who executed a waiver of any and all rights to seek access to the Trust Account and except as to any claims under the Company’s indemnity of the underwriters of the Initial Public Offering against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”). Moreover, in the event that an executed waiver is deemed to be unenforceable against a third party, then the Company’s Sponsor will not be responsible to the extent of any liability for such third-party claims.

Business Combination Agreement

On September 27, 2021, the Company entered into a business combination agreement (as it has been and may be further amended and/or restated from time to time, the “Business Combination Agreement”) with TGC Merger Sub, Inc., a Cayman Islands exempted company incorporated with limited liability and a direct wholly-owned subsidiary of TradeUP (“Merger Sub”) and SAITECH Limited, a Cayman Islands exempted company incorporated with limited liability (“SAITECH”). Upon the terms and subject to the conditions of the Business Combination Agreement, and in accordance with applicable law, Merger Sub will merge with and into SAITECH, with SAITECH surviving the merger and becoming a wholly owned subsidiary of TradeUP (the “Merger”). The Merger and the other transactions contemplated by the Business Combination Agreement are hereinafter referred to as the “Business Combination” and the closing date of the Business Combination is hereinafter referred to as the “Closing Date”.

The “Merger Consideration” will be paid by the issuance of the Company’s Class A ordinary shares (“Purchaser Class A Shares”) and a new series of the Company’s Class B ordinary shares (“Purchaser Class B Shares”) with an aggregate value, based on a price of $10.00 per share, equal to $188,000,000 (as amended under the Second Amendment to the Business Combination Agreement dated as of January 26, 2022). The Merger Consideration is also subject to a potential increase if TradeUP Global Sponsor LLC (the “Sponsor”) or its affiliates (other than the Purchaser or any of its subsidiaries) fail to fund all or any portion of amounts in excess of $4,500,000 of “Transaction Expenses” (which include deferred underwriting fees, but expressly exclude any D&O tail insurance policy costs or other liabilities), and SAITECH elects by providing written notice to the Company after the Company closing statement is delivered to SAITECH and prior to Closing to treat such unfunded amount as the “Excess Purchaser Indebtedness and Liability Amount,” which amount would increase the Merger Consideration.

In connection with the Merger and the Merger Consideration: (i) SAITECH’s preferred shares will convert into SAITECH’s Class A ordinary shares (“SAITECH Class A Ordinary Shares”) immediately prior to the Merger; (ii) Holders of the issued and outstanding SAITECH Class A Ordinary Shares (including current holders of SAITECH’s prior preferred shares) will receive shares of Purchaser Class A Shares; and (iii) the current holder of SAITECH’s issued and outstanding Class B ordinary shares will receive Purchaser Class B Shares.

Holders of Purchaser Class A Shares and Purchaser Class B Shares will vote together as one class on all matters submitted to a vote for Members’ consent. Each Purchaser Class A Share will be entitled to one (1) vote on all matters subject to a vote of Members, and each Purchaser Class B Share shall be entitled to ten (10) votes on all matters subject to a vote of Members. Other than voting rights, the Purchaser Class A Shares and Purchaser Class B shares will have the same rights and powers and have the same ranking in all respects (including with respect to dividends, distributions an on liquidation), absent different treatment approved by separate class vote of each of the holders of Purchaser Class A Shares and Purchaser Class B Shares.

The new series of Purchaser Class B Shares will be convertible at any time by the holder into one (1) Purchaser Class A Share. Each Purchaser Class B Share will also be convertible automatically into one Purchaser Class A Share (i) on the first anniversary of the Founder’s death or incapacity, (ii) on a date determined by the Board during the period commencing 90 days after, and ending 180 days after, the date on which Founder is terminated for Cause (as defined), and (iii) upon a sale, pledge, transfer or other disposition to any person who is not a Permitted Transferee (as defined in the Business Combination Agreement), subject to certain exceptions for permitted pledges.

The consummation of the Business Combination is subject to customary conditions, including, among other things, (i) the approval of the Business Combination Agreement by the shareholders of TradeUP, (ii) TradeUP having an aggregate cash amount of at least $17.5 million available at Closing in TradeUP’s trust account after giving effect to the redemptions of any shares of Purchaser Class A Shares for holders that timely exercise and do not waive their redemptions rights in respect of the transaction, but before giving effect to the consummation of the closing and the payment of any outstanding TradeUP transaction expenses, SAITECH transaction expenses and indebtedness permitted under the Business Combination Agreement (which may be waived by SAITECH), (iii) TradeUP having at least $5,000,001 of net tangible assets after giving effect to redemptions, (iv) the expiration or termination of the waiting period (or any extension thereof) applicable under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 and the rules and regulations promulgated thereunder (the “HSR Act”), (v) no evidence that TradeUP does not qualify as a “foreign private issuer” under the Exchange Act, and (vi) SAITECH having at least $1.0 million of net cash (i.e., cash less indebtedness) at Closing.

The parties to the Business Combination Agreement have made customary representations, warranties and covenants in the Business Combination Agreement, including, among others, covenants with respect to the conduct of TradeUP and SAITECH and their subsidiaries prior to the Closing.

The Business Combination Agreement may be terminated by SAITECH or TradeUP under certain circumstances, including, among others, (i) by mutual written consent of SAITECH and TradeUP, (ii) by either SAITECH or TradeUP if the Closing has not occurred on or before March 31, 2022, (iii) by SAITECH or TradeUP if either TradeUP or

SAITECH has not obtained the required approval of its shareholders, (iv) by TradeUP if SAITECH fails to deliver PCAOB compliant audited financial statements to TradeUP by October 15, 2021, and (v) by SAITECH, if TradeUP’s board of directors makes a change in recommendation in supporting the Business Combination Agreement and the transactions contemplated thereby.

Registration Rights Agreement

At the Closing of the Business Combination, pursuant to the Business Combination Agreement, TradeUP will enter into an Amended and Restated Registration Rights Agreement (the “Registration Rights Agreement”) with Sponsor, certain directors of TradeUP, and shareholders of SAITECH containing customary registration rights for the equityholders party to the agreement, including piggyback registration rights and up to two demand registration rights for an underwritten public offering.

Sponsor Support Agreement

In connection with the execution of the Business Combination Agreement, the Sponsor and certain insiders of TradeUP entered into an Agreement (the “Sponsor Support Agreement”) with TradeUP, pursuant to which the Sponsor and such insiders agreed to vote all the Founder Shares beneficially owned by them in favor of the Business Combination and each other proposal related to the Business Combination included on the agenda for the special meeting of shareholders relating to the Business Combination, to appear at such meeting or otherwise cause their shares to be counted as present for purposes of establishing a quorum at such meeting, to vote against any proposal that would impede the Business Combination and the other transactions contemplated thereby, to vote against any change in business, management or board of directors of TradeUP other than in connection with the Business Combination, not to redeem any of their shares, and to the waiver of their respective anti-dilution rights with respect to the issuance of any Purchaser Class A Shares or Purchaser Class B Shares in the Merger or any issuance of equity interests of Purchaser (or securities convertible into, or exchangeable for, any such equity securities) on or prior to the Closing.

Sponsor Letter Agreement Amendment

Concurrently with the execution of the Business Combination Agreement, the Company, the Sponsor and certain insiders of the Company have entered into an amendment to that certain Letter Agreement, dated as of April 28, 2021, by and among the Company, the Sponsor and those certain insiders (the “Letter Agreement Amendment”), pursuant to which the Sponsor and such insiders (i) consented to the Business Combination Agreement, (ii) agreed to be bound by certain amended lock-up arrangements, and (ii) agreed to certain funding obligations of the Sponsor with respect to working capital prior to the consummation of the Merger (including funding of indebtedness, transaction expenses and other liabilities in excess of $4.5 million immediately prior to the closing of the Merger).

Pursuant to Lock-Up Agreements to be executed at the closing of the Merger, the Sponsor and such insiders would agree to not to, without the prior written consent of the board of directors of the Company, (i) sell, offer to sell, contract or agree to sell, assign, lend, offer, encumber, donate, hypothecate, pledge, grant any option, right or warrant to purchase or otherwise transfer, dispose of or agree to transfer or dispose of, directly or indirectly, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position, with respect to (A) any Purchaser Class A Shares, (B) any prior Class B ordinary shares of the Company that are convertible into Purchaser Class A Shares on the Merger effective date, or (C) any securities convertible into or exercisable or exchangeable for Purchaser Class A Shares, in each case, held by it immediately after the Merger effective date (the “Lock-up Shares”), (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any of the Lock-up Shares, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise or (iii) publicly announce any intention to effect any transaction specified in clause (i) or (ii) (the actions specified in clauses (i)-(iii), collectively, “Transfer”) until (a) for one-half of the Lock-up Shares, the earlier of (x) the date on which the volume weighted average trading price of the Purchaser Class A Shares exceeds $14.00 per share (as adjusted for share splits, share dividends, reorganizations and recapitalizations) for any 20 trading days

within any 30-trading day period commencing on the date that is 180 days after the Closing Date and (y) date of the first anniversary of the Closing Date and (b) for one-half of the Lock-up Shares, the earlier of (x) the date on which the volume weighted average trading price of the Purchaser Class A Shares exceeds $17.50 per share (as adjusted for share splits, share dividends, reorganizations and recapitalizations) for any 20 trading days within any 30-trading day period commencing on the date that is 180 days after the Closing and (y) date of the first anniversary of the Closing Date (the “Lock-Up Period”).

New CEO and CFO Employment Agreements

Concurrent with the signing of the Business Combination Agreement, TradeUP entered into employment agreements with SAITECH’s current Chief Executive Officer (Risheng Li) and Chief Financial Officer (Jian Zou), to become the respective Chief Executive Officer and Chief Financial Officer of TradeUP following the closing, which agreements will become effective at the closing of the Merger. The employment agreements provide for base salaries of $200,000 per year, and eligibility to earn an annual bonus in a target amount of fifty percent (50%) of the base salary for the Chief Executive Officer and 25 percent (25%) of the base salary for the Chief Financial Officer. Each of the agreements provide for severance payments for a termination by the Purchaser without Cause and termination by the employee for Good Reason, as defined, of (i) other than in connection with a change of control, (A) 12-months base salary, plus the target amount of the annual bonus (payable in the form of salary continuation for 12 months) (B) any earned but unpaid annual bonus for the fiscal year (payable when other bonuses are paid to other active employees), (C) continuation of premiums for health care benefits for 12 months (or shorter if employee become eligible for health insurance benefits with another employer) or (ii) in connection with a change of control (3 months before or 12 months after such termination of employment), 15 months of such amounts (rather than 12 months). The employment agreements contain other customary terms regarding employee benefits, vacation time, and reimbursement of business expenses, and confidentiality and assignment of intellectual property rights. The employment agreements contain a 24-month Restricted Period following termination for non-competition, non-solicitation of business partners (including customers, vendors and suppliers) and non-solicitation of employees.

Liquidity and Capital Resource

Following the closing of the Initial Public Offering on May 3, 2021 and the sales of the Option Units on May 12, 2021, a total of $44,889,860 was placed in the Trust Account, and the Company had $413,633 of cash held outside of the Trust Account, after payment of costs related to the Initial Public Offering, and available for working capital purposes. As of December 31, 2021, the Company had a working deficit of $1,486,941. The Company has incurred and expects to continue to incur significant costs in pursuit of its acquisition plans. In order to finance transaction costs in connection with an intended initial Business Combination, the Sponsor, or an affiliate of the Sponsor or certain of the Company’s officers and directors may, but are not obligated to, loan the Company funds as may be required up to $1,200,000 as discussed in Note 6. As of December 31, 2021, the working capital loans amounted to $130,000. Based on the foregoing, the Company believes it will have sufficient cash to meet its needs to execute its intended initial Business Combination twelve months from the date of the issuance of the accompanying financial statements.

Significant Accounting Policies

11 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Significant accounting policies

Note 2 — Significant accounting policies

Basis of Presentation

The accompanying financial statements are presented in conformity with accounting principles generally accepted in the United States of America (“US GAAP”) and pursuant to the rules and regulations of the SEC.

Emerging Growth Company Status

The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act, as modified by the Jumpstart Our Business Startups Act of 2012, (the “JOBS Act”), As an emerging growth company, the Company may take advantage of certain exemptions from various reporting requirements that are applicable to other public

companies that are not emerging growth companies including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in its periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden parachute payments not previously approved.

Further, Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Securities Exchange Act of 1934, as amended) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such an election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of the Company’s financial statements with another public company that is neither an emerging growth company nor an emerging growth company that has opted out of using the extended transition period difficult or impossible because of the potential differences in accounting standards used.

Use of Estimates

The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of expenses during the reporting period. Actual results could differ from those estimates.

Cash

The Company considers all short-term investments with an original maturity of three months or less when purchased to be cash equivalents. The Company did not have any cash equivalents.

Investments Held in Trust Account

At December 31, 2021, the assets held in the Trust Account were held in money market funds, which are invested in U.S. Treasury securities.

The Company classifies its U.S. Treasury and equivalent securities as held-to-maturity in accordance with ASC Topic 320 “Investments — Debt and Equity Securities.” Held-to-maturity securities are those securities which the Company has the ability and intent to hold until maturity. Held-to-maturity treasury securities are recorded at amortized cost on the accompanying balance sheet and adjusted for the amortization or accretion of premiums or discounts.

Offering Costs

Offering costs consist of underwriting, legal, accounting and other expenses that are directly related to the Initial Public Offering and charged to shareholders’ equity upon the completion of the Initial Public Offering.

Warrants

The Company accounts for warrants as either equity-classified or liability-classified instruments based on an assessment of the warrant’s specific terms and applicable authoritative guidance in Financial Accounting Standards Board (“FASB”) ASC 480 “Distinguishing Liabilities from Equity” (“ASC 480”) and ASC 815, Derivatives and Hedging (“ASC 815”). The assessment considers whether the warrants are freestanding financial instruments pursuant

to ASC 480, whether they meet the definition of a liability pursuant to ASC 480, and whether the warrants meet all of the requirements for equity classification under ASC 815, including whether the warrants are indexed to the Company’s own ordinary shares and whether the warrant holders could potentially require “net cash settlement” in a circumstance outside of the Company’s control, among other conditions for equity classification. This assessment, which requires the use of professional judgment, is conducted at the time of warrant issuance and as of each subsequent quarterly period end date while the warrants are outstanding.

For issued or modified warrants that meet all of the criteria for equity classification, the warrants are required to be recorded as a component of equity at the time of issuance. For issued or modified warrants that do not meet all the criteria for equity classification, the warrants are required to be recorded as liabilities at their initial fair value on the date of issuance, and each balance sheet date thereafter. Changes in the estimated fair value of the warrants are recognized as a non-cash gain or loss on the statements of operations. (See Note 9)

Ordinary Shares Subject to Possible Redemption

The Company accounts for its ordinary shares subject to possible redemption in accordance with the guidance in ASC Topic 480 “Distinguishing Liabilities from Equity.” Ordinary shares subject to mandatory redemption are classified as a liability instrument and are measured at fair value. Conditionally redeemable ordinary shares (including ordinary shares that feature redemption rights that are either within the control of the holder or subject to redemption upon the occurrence of uncertain events not solely within the Company’s control) are classified as temporary equity. At all other times, ordinary shares are classified as shareholders’ equity. The Company’s Class A ordinary shares feature certain redemption rights that are considered to be outside of the Company’s control and subject to occurrence of uncertain future events. Accordingly, as of December 31, 2021, Class A ordinary shares subject to possible redemption are presented at redemption value as temporary equity, outside of the shareholders’ equity section of the Company’s balance sheet. The Company recognizes changes in redemption value immediately as they occur and adjusts the carrying value of redeemable ordinary shares to equal the redemption value at the end of each reporting period. Increases or decreases in the carrying amount of redeemable ordinary shares are affected by charges against additional paid in capital or accumulated deficit if additional paid in capital equals to zero.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentration of credit risk consist of a cash account in a financial institution. The Company has not experienced losses on this account and management believes the Company is not exposed to significant risks on such account. As of December 31, 2021, $0 was over the Federal Deposit Insurance Corporation (FDIC) limit.

Fair Value of Financial Instruments

The fair value of the Company’s assets and liabilities approximates the carrying amounts represented in the accompanying balance sheet, primarily due to their short-term nature.

The fair value of the Company’s financial assets and liabilities reflects management’s estimate of amounts that the Company would have received in connection with the sale of the assets or paid in connection with the transfer of the liabilities in an orderly transaction between market participants at the measurement date. In connection with measuring the fair value of its assets and liabilities, the Company seeks to maximize the use of observable inputs (market data obtained from independent sources) and to minimize the use of unobservable inputs (internal assumptions about how market participants would price assets and liabilities). The following fair value hierarchy is used to classify assets and liabilities based on the observable inputs and unobservable inputs used in order to value the assets and liabilities:

• Level 1 — inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2 — inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the assets or liability, either directly or indirectly, for substantially the full term of the financial instruments.

• Level 3 — inputs to the valuation methodology are unobservable and significant to the fair value.

Income Taxes

The Company accounts for income taxes under ASC 740 Income Taxes (“ASC 740”). ASC 740 requires the recognition of deferred tax assets and liabilities for both the expected impact of differences between the financial statement and tax basis of assets and liabilities and for the expected future tax benefit to be derived from tax loss and tax credit carry forwards. ASC 740 additionally requires a valuation allowance to be established when it is more likely than not that all or a portion of deferred tax assets will not be realized.

ASC 740 also clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements and prescribes a recognition threshold and measurement process for financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination by taxing authorities. ASC 740 also provides guidance on derecognition, classification, interest and penalties, accounting in interim period, disclosure and transition.

The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense. There were no unrecognized tax benefits and no amounts accrued for interest and penalties as of December 31, 2021. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position. The Company determined that the Cayman Islands is the Company’s only major tax jurisdiction.

The Company may be subject to potential examination by United States federal and state taxing authorities in the areas of income taxes. These potential examinations may include questioning the timing and amount of deductions, the nexus of income among various tax jurisdictions and compliance with federal and state tax laws. The Company’s management does not expect that the total amount of unrecognized tax benefits will materially change over the next twelve months.

The Company is considered to be an exempted Cayman Islands company with no connection to any other taxable jurisdiction and is presently not subject to income taxes or income tax filing requirements in the Cayman Islands or the United States. As such, the Company’s tax provision was zero for the periods presented.

Net Loss Per Ordinary Share

The Company complies with accounting and disclosure requirements of FASB ASC 260, Earnings Per Share. In order to determine the net loss attributable to both the redeemable shares and non-redeemable shares, the Company first considered the undistributed loss allocable to both the redeemable ordinary shares and non-redeemable ordinary shares and the undistributed loss is calculated using the total net loss less any dividends paid. The Company then allocated the undistributed loss ratably based on the weighted average number of shares outstanding between the redeemable and non-redeemable ordinary shares. Any remeasurement of the accretion to redemption value of the ordinary shares subject to possible redemption was considered to be dividends paid to the public shareholders. As of December 31, 2021, the Company has not considered the effect of the warrants sold in the Initial Public Offering to purchase an aggregate of 2,244,493 shares in the calculation of diluted net loss per share, since the exercise of the warrants is contingent upon the occurrence of future events and the inclusion of such warrants would be anti-dilutive and the Company did not have any other dilutive securities and other contracts that could, potentially, be exercised or converted into ordinary shares and then share in the earnings of the Company. As a result, diluted loss per share is the same as basic loss per ordinary share for the period presented.

The net loss per share presented in the statement of operations is based on the following:

	For the Period from January 26, 2021 (inception) through December 31, 2021
Net loss	$	(1,923,605	)
Accretion of carrying value to redemption value		(4,574,459	)
Net loss including accretion of carrying value to redemption value	$	(6,498,064	)

	For the Period From January 26, 2021 (inception) through December 31, 2021
	Redeemable Ordinary Shares			Non-Redeemable Ordinary Shares
Basic and diluted net loss per share:
Numerators:
Allocation of net loss including carrying value to redemption value	$	(4,675,369	)	$	(1,822,695	)
Accretion of carrying value to redemption value		4,574,459			—
Allocation of net loss	$	(100,910	)	$	(1,822,695	)
Denominators:
Weighted-average shares outstanding		3,191,545			1,244,225
Basic and diluted net loss per share	$	(0.03	)	$	(1.46	)

Recent Accounting Pronouncements

Management does not believe that any recently issued, but not effective, accounting standards, if currently adopted, would have a material effect on the Company’s financial statements.

Shareholders' Deficit

11 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Shareholders' Deficit

Note 9 — Shareholders’ Deficit

Preference Shares — The Company is authorized to issue 1,000,000 preference shares with such designations, voting and other rights and preferences as may be determined from time to time by the Company’s board of directors. As of December 31, 2021, there were no preference shares issued or outstanding.

Class A Ordinary Shares — The Company is authorized to issue 200,000,000 Class A ordinary shares with a par value of $0.0001 per share. On May 3, 2021, the Sponsor converted 850,000 Class B ordinary shares into 850,000 Class A ordinary shares. In May 2021, the Company sold 4,488,986 Class A ordinary shares in the Initial Public Offering and in connection with the sale of the Option Units (see Note 4) and 224,780 Private Placement Shares in the Private Placement (see Note 5). As of December 31, 2021, there were 1,074,780 Class A ordinary shares issued and outstanding, excluding 4,488,986 Class A ordinary shares subject to possible redemption.

Class B Ordinary Shares — The Company is authorized to issue 20,000,000 Class B ordinary shares with a par value of $0.0001 per share. On February 1, 2021, the Company issued 1,150,000 Class B ordinary shares to the Sponsor. Of the 1,150,000 Class B ordinary shares outstanding, 27,753 Founder shares were forfeited by the Sponsor for no consideration as a result of the underwriters’ partial exercise of their over-allotment option on May 12, 2021. On May 3, 2021, the Sponsor transferred an aggregate of 60,000 Founder shares to the Company’s three independent directors. On May 3, 2021, the Sponsor converted 850,000 Class B ordinary shares into 850,000 Class A ordinary shares. As of December 31, 2021, there were 272,247 Class B ordinary shares issued and outstanding.

Holders of the Class A ordinary shares and holders of the Class B ordinary shares will vote together as a single class on all matters submitted to a vote of the Company’s shareholders, except as required by law or stock exchange rule; provided that only holders of the Class B ordinary shares have the right to vote on the election of the Company’s directors prior to the initial Business Combination and holders of a majority of the Company’s Class B ordinary shares may remove a member of the board of directors for any reason.

The Class B ordinary shares will automatically convert into Class A ordinary shares on the consummation of the initial Business Combination at a ratio such that the number of Class A ordinary shares issuable upon conversion of all Founder shares, including the 850,000 Founder shares that were converted into Class A ordinary shares, will equal, in the aggregate, on an as-converted basis, 20% of the sum of (i) 4,488,986 Class A ordinary shares (comprising the total Class A ordinary shares issued in the Initial Public Offering and as part of the Option Units plus (ii) the total number of Class A ordinary shares issued, or deemed issued or issuable upon conversion or exercise of any equity-linked securities or rights issued or deemed issued, by the Company in connection with or in relation to the consummation of the initial Business Combination, excluding any Class A ordinary shares or equity-linked securities exercisable for or convertible into Class A ordinary shares issued, or to be issued, to any seller in the initial Business Combination and any Class A ordinary shares that may be issued upon conversion of working capital loans. The conversion of Class B ordinary shares into Class A ordinary shares, however, will never occur on a less than one-for-one basis.

Warrants — On May 3, 2021, the Company issued 2,000,000 warrants in connection with the Initial Public Offering. On May 12, 2021, the Company issued additional 244,493 warrants in connection with the underwriters’ exercise of their over-allotment option. Each whole warrant entitles the registered holder to purchase one share of the Company’s Class A ordinary shares at a price of $11.50 per share, subject to adjustment, at any time commencing on the later of 12 months from the closing of the Initial Public Offering or 30 days after the completion of the initial Business Combination. Pursuant to the warrant agreement, a warrant holder may exercise its warrants only for a whole number of Class A ordinary shares. This means that only a whole warrant may be exercised at any given time by a warrant holder. No fractional warrants will be issued upon separation of the Units into Class A ordinary shares and warrants, and only whole warrants will trade. The Class A ordinary shares and warrants began trading separately on June 21, 2021. The warrants will expire five years after the completion of the Company’s initial Business Combination, at 5:00 p.m., New York City time, or earlier upon redemption or liquidation of the Company.

The Company has agreed that as soon as practicable, but in no event later than 20 business days after the closing of the initial Business Combination, it will use its commercially reasonable efforts to file with the U.S. Securities and Exchange Commission (“SEC”) a registration statement for the registration, under the Securities Act, of the Class A ordinary shares issuable upon exercise of the warrants, and the Company will use its commercially reasonable efforts to cause the same to become effective within 60 business days after the closing of its initial Business Combination, and to maintain the effectiveness of such registration statement and a current prospectus relating to those Class A ordinary shares until the warrants expire or are redeemed, as specified in the warrant agreement; provided that if the Company’s Class A ordinary shares are at the time of any exercise of a warrant not listed on a national securities exchange such that they satisfy the definition of a “covered security” under Section 18(b) (1) of the Securities Act, the Company may, at its option, require holders of warrants who exercise their warrants to do so on a “cashless basis” in accordance with Section 3(a)(9) of the Securities Act and, in the event it so elect, it will not be required to file or maintain in effect a registration statement, but it will use its commercially reasonable efforts to register or qualify the shares under applicable blue sky laws to the extent an exemption is not available. However, no warrant will be exercisable for cash or on a cashless basis, and the Company will not be obligated to issue any shares to holders seeking to exercise their warrants, unless the issuance of the shares upon such exercise is registered or qualified under the securities laws of the state of the exercising holder, or an exemption from registration is available.

Once the warrants become exercisable, the Company may call the warrants for redemption:

• in whole and not in part;

• at a price of $0.01 per warrant;

• upon a minimum of 30 days’ prior written notice of redemption to each warrant holder; and

• if, and only if, closing price of the Class A ordinary shares equals or exceeds $16.50 per share (as adjusted for share splits, share dividends, reorganizations, recapitalizations and the like) for any 20 trading days within a 30-trading day period ending three business days before the Company send the notice of redemption to the warrant holders.

The Company accounted for the 2,244,493 warrants issued with the Initial Public Offering as equity instruments in accordance with ASC 480, “Distinguishing Liabilities from Equity” and ASC 815-40, “Derivatives and Hedging: Contracts in Entity’s Own Equity”. The Company accounted for the warrant as an expense of the Initial Public Offering resulting in a charge directly to shareholders’ equity. The Company estimates that the fair value of the warrants is approximately $1.3 million, or 0.58 per Unit.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 14
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Paragraph 18
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-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/extlink&oid=126731327&loc=SL126733271-114008

+ Details

Accounting Policies, by Policy (Policies)

11 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Basis of Presentation

Emerging Growth Company Status

Use of Estimates

Cash

The Company considers all short-term investments with an original maturity of three months or less when purchased to be cash equivalents. The Company did not have any cash equivalents.

Investments Held in Trust Account

At December 31, 2021, the assets held in the Trust Account were held in money market funds, which are invested in U.S. Treasury securities.

Offering Costs

Warrants

Ordinary Shares Subject to Possible Redemption

Concentration of Credit Risk

Fair Value of Financial Instruments

The fair value of the Company’s assets and liabilities approximates the carrying amounts represented in the accompanying balance sheet, primarily due to their short-term nature.

• Level 1 — inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 3 — inputs to the valuation methodology are unobservable and significant to the fair value.

Income Taxes

Net Loss Per Ordinary Share

The net loss per share presented in the statement of operations is based on the following:

	For the Period from January 26, 2021 (inception) through December 31, 2021
Net loss	$	(1,923,605	)
Accretion of carrying value to redemption value		(4,574,459	)
Net loss including accretion of carrying value to redemption value	$	(6,498,064	)

	For the Period From January 26, 2021 (inception) through December 31, 2021
	Redeemable Ordinary Shares			Non-Redeemable Ordinary Shares
Basic and diluted net loss per share:
Numerators:
Allocation of net loss including carrying value to redemption value	$	(4,675,369	)	$	(1,822,695	)
Accretion of carrying value to redemption value		4,574,459			—
Allocation of net loss	$	(100,910	)	$	(1,822,695	)
Denominators:
Weighted-average shares outstanding		3,191,545			1,244,225
Basic and diluted net loss per share	$	(0.03	)	$	(1.46	)

Recent Accounting Pronouncements

Management does not believe that any recently issued, but not effective, accounting standards, if currently adopted, would have a material effect on the Company’s financial statements.

Organization and Business Operation (Details) - USD ($)			11 Months Ended
Organization and Business Operation (Details) - USD ($)	May 12, 2021	May 03, 2021	Dec. 31, 2021
Organization and Business Operation (Details) [Line Items]
Number of units shares (in Shares)			4,488,986
Proceeds from issuance initial public offering			$ 40,000,000
Sale of private placement warrants (in Shares)		2,000,000	224,780
Deferred offering costs noncurrent			$ 1,400,000
Other offering costs			$ 830,656
Transaction costs	$ 374,656
Underwriting fees	97,797
Deferred underwriting fees	171,145
Other offering costs	105,714
Net proceeds	44,889,860
Aggregate amount	$ 44,889,860
Public Unit shares (in Dollars per share)	$ 10
Business combination percentage			100.00%
Aggregate fair market value, percentage			80.00%
Percentage of outstanding voting securities			50.00%
Net tangible assets			$ 5,000,001
Interest to pay dissolution expenses			$ 100,000
Public shares redeem percentage			100.00%
Public Share per shares (in Dollars per share)			$ 10
Business combination agreement, description			(i) the approval of the Business Combination Agreement by the shareholders of TradeUP, (ii) TradeUP having an aggregate cash amount of at least $17.5 million available at Closing in TradeUP’s trust account after giving effect to the redemptions of any shares of Purchaser Class A Shares for holders that timely exercise and do not waive their redemptions rights in respect of the transaction, but before giving effect to the consummation of the closing and the payment of any outstanding TradeUP transaction expenses, SAITECH transaction expenses and indebtedness permitted under the Business Combination Agreement (which may be waived by SAITECH), (iii) TradeUP having at least $5,000,001 of net tangible assets after giving effect to redemptions, (iv) the expiration or termination of the waiting period (or any extension thereof) applicable under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 and the rules and regulations promulgated thereunder (the “HSR Act”), (v) no evidence that TradeUP does not qualify as a “foreign private issuer” under the Exchange Act, and (vi) SAITECH having at least $1.0 million of net cash (i.e., cash less indebtedness) at Closing.
Transaction expenses and other liabilities			$ 4,500,000
Shares exceeds per share (in Dollars per share)			$ 14
Base salaries amount per year			$ 200,000
Trust account total	$ 44,889,860
Cash	$ 413,633
Working deficit			1,486,941
Loan amount			1,200,000
Working capital loan amount			$ 130,000
Initial Public Offering [Member]
Organization and Business Operation (Details) [Line Items]
Purchase price, per unit (in Dollars per share)		$ 10	$ 10
Number of units shares (in Shares)		4,000,000	4,000,000
Proceeds from issuance initial public offering		$ 40,000,000
Private Placement [Member]
Organization and Business Operation (Details) [Line Items]
Purchase price, per unit (in Dollars per share)			$ 10
Proceeds from issuance initial public offering			$ 2,150,000
Sale of private placement warrants (in Shares)			215,000
Transaction costs			$ 3,030,656
Underwriting fees			$ 800,000
Sponsor shares (in Shares)	9,780
Additional per shares (in Dollars per share)	$ 10
Generating total proceeds	$ 97,800
Over-Allotment Option [Member]
Organization and Business Operation (Details) [Line Items]
Purchase price, per unit (in Dollars per share)			$ 10
Number of units shares (in Shares)	488,986		488,986
Gross proceeds	$ 4,889,860		$ 44,889,860
Class A [Member]
Organization and Business Operation (Details) [Line Items]
Purchase price, per unit (in Dollars per share)			$ 11.5
Shares exceeds per share (in Dollars per share)			17.5
Purchaser Class B Shares [Member]
Organization and Business Operation (Details) [Line Items]
Purchase price, per unit (in Dollars per share)			$ 10
Amount of aggregate value			$ 188,000,000
Transaction expenses			$ 4,500,000
Chief Executive Officer [Member]
Organization and Business Operation (Details) [Line Items]
Percentage of base salary			50.00%
Chief Financial Officer [Member]
Organization and Business Operation (Details) [Line Items]
Percentage of base salary			25.00%

Significant Accounting Policies (Details) - Schedule of calculation of net loss including accretion to redemption	11 Months Ended
	Dec. 31, 2021 USD ($)
Schedule of calculation of net loss including accretion to redemption [Abstract]
Net loss	$ (1,923,605)
Accretion of carrying value to redemption value	(4,574,459)
Net loss including accretion of carrying value to redemption value	$ (6,498,064)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Significant Accounting Policies (Details) - Schedule of net loss per share	11 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Redeemable Ordinary Shares [Member]l
Numerators:
Allocation of net loss including carrying value to redemption value	$ (4,675,369)
Accretion of carrying value to redemption value	4,574,459
Allocation of net loss	$ (100,910)
Denominators:
Weighted-average shares outstanding (in Shares) \| shares	3,191,545
Basic and diluted net loss per share (in Dollars per share) \| $ / shares	$ (0.03)
Non-Redeemable Ordinary Shares [Member]
Numerators:
Allocation of net loss including carrying value to redemption value	$ (1,822,695)
Accretion of carrying value to redemption value
Allocation of net loss	$ (1,822,695)
Denominators:
Weighted-average shares outstanding (in Shares) \| shares	1,244,225
Basic and diluted net loss per share (in Dollars per share) \| $ / shares	$ (1.46)

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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+ Details

Related Party Transactions (Details) - USD ($)				11 Months Ended
Related Party Transactions (Details) - USD ($)	May 03, 2021	Feb. 02, 2021	Feb. 01, 2021	Dec. 31, 2021
Related Party Transactions (Details) [Line Items]
Stock transferred to others during period shares	60,000
Aggregate purchase price (in Dollars)				$ 25,000
Working capital loan (in Dollars)				$ 130,000
IPO [Member]
Related Party Transactions (Details) [Line Items]
Number of shares issued				2,244,493
Sponsor agreed to lend the Company (in Dollars)		$ 300,000
Class B Common Stock
Related Party Transactions (Details) [Line Items]
Common shares, value (in Dollars per share)				$ 0.0001
Class B Common Stock \| Sponsor [Member]
Related Party Transactions (Details) [Line Items]
Conversion of Class B founder shares into Class A ordinary shares	850,000
Class A Ordinary Share [Member]
Related Party Transactions (Details) [Line Items]
Common shares, value (in Dollars per share)				$ 0.0001
Convertible loans (in Dollars)				$ 1,200,000
Price per shares (in Dollars per share)				$ 10
Class A Ordinary Share [Member] \| Sponsor [Member]
Related Party Transactions (Details) [Line Items]
Conversion of Class B founder shares into Class A ordinary shares	850,000
Founder Shares [Member]
Related Party Transactions (Details) [Line Items]
Conversion of Class B founder shares into Class A ordinary shares				850,000
Founder Shares [Member] \| Sponsor [Member]
Related Party Transactions (Details) [Line Items]
Percentage of conditional transfer of founder shares				50.00%
Stock price trigger to transfer, assign or sell any shares or warrants of the company, after the completion of the initial business combination (in Dollars per share)				$ 12.5
Founder shares may not be transferred, assigned or sold until six months after the date of the consummation of our initial business combination				50.00%
Founder Shares [Member] \| Class B Common Stock \| Sponsor [Member]
Related Party Transactions (Details) [Line Items]
Number of shares issued			1,150,000
Aggregate purchase price			25,000
Founder Shares [Member] \| Class A Ordinary Share [Member] \| Sponsor [Member]
Related Party Transactions (Details) [Line Items]
Number of shares issued	224,780
Common shares, value (in Dollars per share)	$ 10
Aggregate purchase price (in Dollars)	$ 2,247,800

Shareholders' Deficit (Details) - USD ($) $ / shares in Units, $ in Millions		11 Months Ended
	May 03, 2021	Dec. 31, 2021	May 12, 2021	Feb. 01, 2021
Shareholders' Deficit (Details) [Line Items]
Preference shares, authorized		1,000,000
Converted basis of stock percentage		20.00%
Warrants issued	2,000,000	224,780
Additional issued warrant			244,493
Warrant expire term		5 years
Warrants for redemption, description		• in whole and not in part;• at a price of $0.01 per warrant;• upon a minimum of 30 days’ prior written notice of redemption to each warrant holder; and• if, and only if, closing price of the Class A ordinary shares equals or exceeds $16.50 per share (as adjusted for share splits, share dividends, reorganizations, recapitalizations and the like) for any 20 trading days within a 30-trading day period ending three business days before the Company send the notice of redemption to the warrant holders.
Fair value of warrants (in Dollars)		$ 1.3
Fair value of warrant per unit (in Dollars per share)		$ 0.58
Initial Public Offering [Member]
Shareholders' Deficit (Details) [Line Items]
Number of units sold	4,488,986
Number of shares issued		2,244,493
Price per share (in Dollars per share)	$ 10	$ 10
Private Placement [Member]
Shareholders' Deficit (Details) [Line Items]
Warrants issued		215,000
Price per share (in Dollars per share)		$ 10
Class A Ordinary Share [Member]
Shareholders' Deficit (Details) [Line Items]
Common stock, shares authorized		200,000,000
Common stock, par value (in Dollars per share)		$ 0.0001
Number of units sold		4,488,986
Common stock, shares issued		1,074,780
Common stock, shares outstanding		1,074,780
Class A common stock subject to possible redemption, outstanding		4,488,986
Price per share (in Dollars per share)		$ 11.5
Class A Ordinary Share [Member] \| Private Placement [Member]
Shareholders' Deficit (Details) [Line Items]
Number of shares issued	224,780
Class B ordinary shares [Member]
Shareholders' Deficit (Details) [Line Items]
Common stock, shares authorized		20,000,000
Common stock, par value (in Dollars per share)		$ 0.0001
Common stock, shares issued		272,247		1,150,000
Common stock, shares outstanding		272,247		1,150,000
Founder Shares [Member]
Shareholders' Deficit (Details) [Line Items]
Conversion of class B founder shares into class A ordinary shares		850,000
Founder Shares [Member] \| Class B ordinary shares [Member]
Shareholders' Deficit (Details) [Line Items]
Shares forfeited		27,753
Sponsor [Member] \| Class A Ordinary Share [Member]
Shareholders' Deficit (Details) [Line Items]
Conversion of class B founder shares into class A ordinary shares	850,000
Sponsor [Member] \| Class B ordinary shares [Member]
Shareholders' Deficit (Details) [Line Items]
Conversion of class B founder shares into class A ordinary shares	850,000
Sponsor [Member] \| Founder Shares [Member]
Shareholders' Deficit (Details) [Line Items]
Number of shares transferred	60,000

Significant Accounting Policies (Details)	11 Months Ended
Significant Accounting Policies (Details)	Dec. 31, 2021 USD ($) shares
Accounting Policies [Abstract]
Federal deposit insurance corporation \| $	$ 0
Aggregate purchase \| shares	2,244,493

Investments Held in Trust Account (Details)	Dec. 31, 2021 USD ($)
Disclosure Text Block Supplement [Abstract]
Assets, fair value	$ 44,891,829

Investments Held in Trust Account (Details) - Schedule of assets that are measured at fair value	Dec. 31, 2021 USD ($)
Level 1 [Member]
Investments Held in Trust Account (Details) - Schedule of assets that are measured at fair value [Line Items]
Trust Account – U.S. Treasury Securities Money Market Fund	$ 44,891,829

Commitments & Contingencies (Details) - USD ($)			11 Months Ended
Commitments & Contingencies (Details) - USD ($)	May 12, 2021	May 03, 2021	Dec. 31, 2021
Commitments & Contingencies (Details) [Line Items]
Gross proceeds (in Dollars)			$ 40,000,000
Percentage of cash fee related to business combination			3.50%
Over-Allotment Option [Member]
Commitments & Contingencies (Details) [Line Items]
Stock option exercised	488,986
Underwriting discount	2.00%
Initial Public Offering [Member]
Commitments & Contingencies (Details) [Line Items]
Gross proceeds (in Dollars)		$ 40,000,000
Sale of option units	897,797
Underwriters Agreement [Member] \| Over-Allotment Option [Member]
Commitments & Contingencies (Details) [Line Items]
Gross proceeds (in Dollars)	$ 4,889,860
Business Combination Marketing Agreement [Member]
Commitments & Contingencies (Details) [Line Items]
Percentage of cash fee related to business combination			3.50%
Underwriters Agreement [Member] \| Over-Allotment Option [Member]
Commitments & Contingencies (Details) [Line Items]
Additional units			600,000

Deferred Underwriters' Marketing Fees (Details)	11 Months Ended
Deferred Underwriters' Marketing Fees (Details)	Dec. 31, 2021 USD ($)
Deferred Underwriters Marketing Fees [Abstract]
Percentage of cash fee related to business combination	3.50%
Business combination held in trust account	$ 1,571,145

Initial Public Offering (Details) - USD ($)			11 Months Ended
Initial Public Offering (Details) - USD ($)	May 12, 2021	May 03, 2021	Dec. 31, 2021
Initial Public Offering (Details) [Line Items]
Number of units sold			4,488,986
Redemption Or Liquidation			5 years
Initial Public Offering [Member]
Initial Public Offering (Details) [Line Items]
Number of units sold		4,000,000	4,000,000
Purchase price, per unit		$ 10	$ 10
Redemption Or Liquidation			12 months
Over-Allotment Option [Member]
Initial Public Offering (Details) [Line Items]
Number of units sold	488,986		488,986
Purchase price, per unit			$ 10
Gross proceeds	$ 4,889,860		$ 44,889,860
Exercisable warrants			30 days
Class A Ordinary Share [Member]
Initial Public Offering (Details) [Line Items]
Purchase price, per unit			$ 11.5

Initial Public Offering (Details) - Schedule of ordinary shares reflected on the balance sheet	11 Months Ended
	Dec. 31, 2021 USD ($)
Schedule of ordinary shares reflected on the balance sheet [Abstract]
Gross proceeds	$ 44,889,860
Less:
Proceeds allocated to public warrants	(1,265,118)
Offering costs of public shares	(3,309,341)
Plus:
Accretion of carrying value to redemption value	4,574,459
Ordinary shares subject to possible redemption	$ 44,889,860

Private Placement (Details) - $ / shares	Dec. 31, 2021	May 03, 2021
Private Placement [Abstract]
Warrants issued	224,780	2,000,000
Price of warrants	$ 10