Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * FRANKLIN MARTIN E 2. Issuer Name and Ticker or Trading Symbol APi Group Corp [APG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O API GROUP CORPORATION, 1100 OLD HIGHWAY NW 8 3. Date of Earliest Transaction (Month/Day/Year) 03/19/2026 (Street) NEW BRIGHTON, MN 55112 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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) Code V Amount (A) or (D) Price Common Stock 03/19/2026 S 3,000,000(1) D $40.88 21,240,426 I By MEF Holdings, LLLP(2) Common Stock 102,656 I By Mariposa Acquisition IV, LLC(3) Common Stock 2,711,692 I By Brimstone Investments, LLC(4)

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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 Underlying Securities (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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Series A Preferred Stock

(5)

(5)

(5)

Common Stock

3,456,000

3,456,000

I

By Mariposa Acquisition IV, LLC(3)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FRANKLIN MARTIN E C/O API GROUP CORPORATION 1100 OLD HIGHWAY NW 8 NEW BRIGHTON, MN 55112	X	X

Signatures

/s/ Louis B. Lambert, Attorney-in-Fact		03/19/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	On March 19, 2026, MEF Holdings, LLLP sold 3,000,000 shares of Common Stock in a block trade at a price of $40.88 per share pursuant to Rule 144 of the Securities Act of 1933, as amended.
(2)	The shares of Common Stock reported herein are held directly by MEF Holdings, LLLP, the general partner of which is wholly-owned by the Martin E. Franklin Revocable Trust, of which Mr. Franklin is the sole settlor and trustee. Mr. Franklin disclaims beneficial ownership of any shares except to the extent of his pecuniary interest therein.
(3)	The shares of Common Stock and Series A Preferred Stock are held directly by Mariposa Acquisition IV, LLC. Mr. Franklin is the manager of Mariposa Acquisition IV, LLC. In such capacity, Mr. Franklin exercises voting and investment power over the shares of Common Stock and Series A Preferred Stock held by Mariposa Acquisition IV, LLC. As a result, Mr. Franklin may be deemed to have beneficial ownership (as determined under Section 13(d) of the Securities Exchange Act of 1934, as amended) of his proportionate interest in the shares of Common Stock and Series A Preferred Stock held by Mariposa Acquisition IV, LLC. MEF Holdings, LLLP, the general partner of which is wholly-owned by the Martin E. Franklin Revocable Trust, of which Mr. Franklin is the sole settlor and trustee, holds a limited liability company interest in Mariposa Acquisition IV, LLC. Mr. Franklin disclaims beneficial ownership of any shares except to the extent of his pecuniary interest therein.
(4)	The shares of Common Stock reported herein are held directly by Brimstone Investments LLC, of which Mr. Franklin is the Manager, which is wholly-owned by a trust of which Mr. Franklin is a beneficiary, holds a limited liability company interest in Mariposa.
(5)	The Series A Preferred Stock is convertible at any time at the election of the holder, on a 1.5 to 1 basis, into shares of Common Stock for no additional consideration. The Series A Preferred Stock will automatically convert into Common Stock on December 31, 2026 (the last day of the seventh full financial year of the Issuer following October 1, 2019, or if such date is not a trading day, the first trading day immediately following such date).

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