Perimeter (NYSE: PRM) CFO gains options as 2025 goals met

Rhea-AI Filing Summary

Perimeter Solutions Chief Financial Officer Kyle Sable reported acquiring vested stock options on three prior equity awards after 2025 performance goals were met. Options originally granted in 2024, 2023, and 2022 vested for 50,000, 20,000, and 100,000 shares of common stock, respectively, all held as direct ownership.

SEC 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^*

Sable Kyle

(Last) (First) (Middle)

C/O PERIMETER SOLUTIONS, INC.

8000 MARYLAND AVE., SUITE 350

(Street)

CLAYTON MO 63105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Perimeter Solutions, Inc. [ PRM ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

4. If Amendment, Date of 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

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

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$13.24	02/26/2026		A		50,000(1)		02/26/2026	09/27/2034	Common Stock	50,000	$0	100,000	D
Stock Option (right to buy)	$3.89	02/26/2026		A		20,000(2)		02/26/2026	11/16/2033	Common Stock	20,000	$0	20,000	D
Stock Option (right to buy)	$8.36	02/26/2026		A		100,000(3)		02/26/2026	05/06/2032	Common Stock	100,000	$0	300,000	D

Explanation of Responses:

1. On September 27, 2024, the reporting person was granted an option to purchase 250,000 shares of common stock. The option vests in five equal annual installments based on the Issuer's satisfaction of certain performance criteria for each of the fiscal years ending December 31, 2024, 2025, 2026, 2027 and 2028. The performance criteria for 2025 were met, resulting in the vesting of the option as to 50,000 shares of common stock.

2. On November 16, 2023, the reporting person was granted an option to purchase 100,000 shares of common stock. The option vests in five equal annual installments based on the Issuer's satisfaction of certain performance criteria for each of the fiscal years ending December 31, 2024, 2025, 2026, 2027 and 2028. The performance criteria for 2025 were met, resulting in the vesting of the option as to 20,000 shares of common stock.

3. On May 6, 2022, the reporting person was granted an option to purchase 500,000 shares of common stock. The option vests in five equal annual installments based on the Issuer's satisfaction of certain performance criteria for each of the fiscal years ending December 31, 2022, 2023, 2024, 2025 and 2026. The performance criteria for 2025 were met, resulting in the vesting of the option as to 100,000 shares of common stock.

Remarks:

	/s/ Noriko Yokozuka, as Attorney-in-Fact	03/02/2026
	** 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).
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FAQ

What does the latest Form 4 for Perimeter Solutions (PRM) show?

The Form 4 shows CFO Kyle Sable acquiring vested stock options tied to prior grants. Awards from 2022, 2023, and 2024 vested in 2025 after Perimeter Solutions met specified performance criteria for that fiscal year.

How many Perimeter Solutions (PRM) options vested for the CFO in this filing?

Three tranches vested: 50,000 shares from a 2024 option grant, 20,000 shares from a 2023 grant, and 100,000 shares from a 2022 grant. Each reflects one-fifth of the original award based on annual performance targets.

What performance conditions triggered vesting of PRM stock options for the CFO?

Vesting was triggered when Perimeter Solutions met specified performance criteria for fiscal year 2025. Each option grant vests in five equal annual installments, with one installment earned for each year the company satisfies the related performance goals.

Are these PRM insider transactions open-market purchases or option vesting?

These transactions are option vestings categorized as grants or awards, not open-market share purchases. The Form 4 records acquisition of stock options with a reported price of $0.00 per share as the performance-based vesting conditions were satisfied.

Who is the insider involved in this Perimeter Solutions (PRM) Form 4?

The insider is Kyle Sable, Chief Financial Officer of Perimeter Solutions. The filing reports direct ownership of stock options that vested under long-term performance-based equity awards granted in 2022, 2023, and 2024.