SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Apex Treasury Sponsor LLC

(Last)

(First)

(Middle)

C/O APEX TREASURY CORPORATION

2035 REGATTA DRIVE

(Street)

VERO BEACH

FLORIDA

32963

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Apex Treasury Corp [ APXT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Class B Ordinary Shares	⁽¹⁾	04/17/2026		J⁽²⁾			50,000	⁽¹⁾	⁽¹⁾	Class A Ordinary Shares	50,000	$0	11,070,000	D⁽³⁾

1. Name and Address of Reporting Person^*

Apex Treasury Sponsor LLC

(Last)

(First)

(Middle)

C/O APEX TREASURY CORPORATION

2035 REGATTA DRIVE

(Street)

VERO BEACH

FLORIDA

32963

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Cochrane Hugh

(Last)

(First)

(Middle)

C/O APEX TREASURY CORPORATION

2035 REGATTA DRIVE

(Street)

VERO BEACH

FLORIDA

32963

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Chief Executive Officer

1. Name and Address of Reporting Person^*

Rahman Ajmal

(Last)

(First)

(Middle)

C/O APEX TREASURY CORPORATION

2035 REGATTA DRIVE

(Street)

VERO BEACH

FLORIDA

32963

(City)

(State)

(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Chief Executive Officer

Explanation of Responses:

1. The Class B Ordinary Shares are automatically convertible into the Issuer's Class A Ordinary Shares at the time of the Issuer's initial business combination, or earlier at the option of the holder thereof, on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date, as described under the heading "Description of Securities" in the Issuer's registration statement on Form S-1 (File No. 333-289485).

2. On April 17, 2026, Apex Treasury Sponsor LLC (the "Sponsor") transferred 50,000 Class B Ordinary Shares of the Issuer to Paul Sykes for the same per-share price it paid for such shares, or $0.003 per share.

3. The Sponsor is the record holder of the securities reported herein. Hugh Cochrane and Ajmal Rahman are the managing members of the Sponsor. Each of Messrs. Cochrane and Rahman has voting and investment discretion with respect to the securities held of record by the Sponsor. As such, each of Messrs. Cochrane and Rahman may be deemed to have beneficial ownership of the securities held directly by the Sponsor. Each such person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

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.

	/s/ Jordan Leon, Attorney-in-Fact for Apex Treasury Sponsor LLC	04/21/2026
	/s/ Jordan Leon, Attorney-in-Fact for Hugh Cochrane	04/21/2026
	/s/ Jordan Leon, Attorney-in-Fact for Ajmal Rahman	04/21/2026
	** 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 4 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Apex Treasury Sponsor Llc