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SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
Yu Chen-Ming

(Last) (First) (Middle)
C/O TCGX ACQUISITION CORP.
245 LYTTON AVE., SUITE 350

(Street)
PALO ALTO CA 94301

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2026
3. Issuer Name and Ticker or Trading Symbol
TCGX Acquisition Corp. [ TCGX ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
5. If Amendment, Date of Original Filed (Month/Day/Year)
08/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Ordinary Shares (1) (1) Class A Ordinary Shares 2,066,250 (1) I See Footnote(2)
1. Name and Address of Reporting Person*
Yu Chen-Ming

(Last) (First) (Middle)
C/O TCGX ACQUISITION CORP.
245 LYTTON AVE., SUITE 350

(Street)
PALO ALTO CA 94301

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
1. Name and Address of Reporting Person*
TCGX Sponsor, LLC

(Last) (First) (Middle)
C/O TCGX ACQUISITION CORP.
245 LYTTON AVE., SUITE 350

(Street)
PALO ALTO CA 94301

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. The Class B Ordinary Shares will automatically convert into Class A Ordinary Shares immediately prior to, concurrently with or immediately following the consummation of the Issuer's initial business combination, or at any time prior thereto at the option of the Reporting Person, on a one-for-one basis, subject to adjustment, and have no expiration date.
2. TCGX Sponsor, LLC is the record holder of the shares reported herein. Chen Yu is the manager of TCGX Sponsor, LLC and exercises voting and investment discretion over the securities held of record by TCGX Sponsor, LLC. Mr. Yu disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
Remarks:
This Form 3 amendment is being filed to include the full amount of Class B Ordinary Shares beneficially owned, a portion of which were previously subject to forfeiture.
/s/ Craig Skaling, Attorney-in-Fact for Chen Yu 08/06/2026
TCGX Sponsor, LLC, By: Chen Yu, Manager, /s/ Craig Skaling, Attorney-in-Fact for Chen Yu 08/06/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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