Apex Treasury Sponsor LLC - 27 Oct 2025 Form 3 Insider Report for Apex Treasury Corp (APXT)

Role: Co-Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Jordan Leon, Attorney-in-Fact for Apex Treasury Sponsor LLC
Issuer symbol: APXT
Transactions as of: 27 Oct 2025
Net transactions value: $0
Form type: 3
Filing time: 27 Oct 2025, 18:51:56 UTC
Next filing: 30 Oct 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Apex Treasury Sponsor LLC	Co-Chief Executive Officer, Director, 10%+ Owner	C/O APEX TREASURY CORPORATION, 2035 REGATTA DRIVE, VERO BEACH	/s/ Jordan Leon, Attorney-in-Fact for Apex Treasury Sponsor LLC	27 Oct 2025	0002086187
Cochrane Hugh	Co-Chief Executive Officer, Director	C/O APEX TREASURY CORPORATION, 2035 REGATTA DRIVE, VERO BEACH	/s/ Jordan Leon, Attorney-in-Fact for Hugh Cochrane	27 Oct 2025	0001538262
Rahman Ajmal	Co-Chief Executive Officer, Director	C/O APEX TREASURY CORPORATION, 2035 REGATTA DRIVE, VERO BEACH	/s/ Jordan Leon, Attorney-in-Fact for Ajmal Rahman	27 Oct 2025	0002087326

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	APXT	Class B Ordinary Shares							27 Oct 2025	Class A Ordinary Shares	11,160,000		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-289485) (the "Registration Statement") and have no expiration date. The Class B ordinary shares beneficially owned by the Reporting Persons include up to 1,500,000 Class B ordinary shares subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement.
F2	Apex Treasury Sponsor LLC is the record holder of the securities reported herein. Hugh Cochrane and Ajmal Rahman are the managing members of Apex Treasury Sponsor LLC. Each of Messrs. Cochrane and Rahman has voting and investment discretion with respect to the securities held of record by Apex Treasury Sponsor LLC.

Content

The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-289485) (the "Registration Statement") and have no expiration date. The Class B ordinary shares beneficially owned by the Reporting Persons include up to 1,500,000 Class B ordinary shares subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement.

Apex Treasury Sponsor LLC is the record holder of the securities reported herein. Hugh Cochrane and Ajmal Rahman are the managing members of Apex Treasury Sponsor LLC. Each of Messrs. Cochrane and Rahman has voting and investment discretion with respect to the securities held of record by Apex Treasury Sponsor LLC.

Remarks:

See Exhibit 99.1 - Joint Filer Information, which is incorporated herein by reference and describes in further detail the relationships of the Reporting Persons to the Issuer. See Exhibits 24.1, 24.2 and 24.3 - Powers of Attorney.