Perimeter director options vest on 2025 targets

Perimeter Solutions, Inc. director Cool Tracy Britt reported the acquisition of stock options to buy common shares after 2025 performance goals were met.

Rhea-AI Filing Summary

Perimeter Solutions, Inc. director Cool Tracy Britt reported the acquisition of stock options to buy common shares after 2025 performance goals were met. On February 26, 2026, multiple option tranches vested at a price of $0.00 per share.

The activity reflects performance-based vesting from prior grants: 6,194 options tied to a February 12, 2025 grant, three 7,000-option tranches from grants dated February 14, 2024, February 15, 2023 and January 28, 2022, and 1,750 options from a December 7, 2021 grant.

Insider Trade Summary

Grant/Award: 28,944 shares

Grant/Award 5 txns

Insider Cool Tracy Britt

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	6,194	$0.00	$0.00
Grant/Award	Stock Option (right to buy)	7,000	$0.00	$0.00
Grant/Award	Stock Option (right to buy)	7,000	$0.00	$0.00
Grant/Award	Stock Option (right to buy)	7,000	$0.00	$0.00
Grant/Award	Stock Option (right to buy)	1,750	$0.00	$0.00

Holdings After Transaction: Stock Option (right to buy) — 76,194 contracts (Direct)

Footnotes (5)

1. F1. On February 12, 2025, the reporting person was granted an option to purchase 35,000 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, 2025, 2026, 2027, 2028 and 2029. The performance criteria for 2025 were partially met, resulting in the vesting of the option as to 6,194 shares of common stock.
2. F2. On February 14, 2024, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock.
3. F3. On February 15, 2023, the reporting person was granted an option to purchase 35,000 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, 2023, 2024, 2025, 2026 and 2027. The performance criteria for 2025 were met, resulting in the vesting of the option as to 7,000 shares of common stock.
4. F4. On January 28, 2022, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock.
5. F5. On December 7, 2021, the reporting person was granted an option to purchase 8,750 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 1,750 shares of common stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Perimeter Solutions (PRM) disclose in Tracy Britt Cool's latest Form 4?

Perimeter Solutions reported that director Cool Tracy Britt acquired several tranches of stock options on February 26, 2026. These options vested at a grant price of $0.00 per share after the company met specified 2025 performance criteria tied to earlier multi-year option awards.

How many Perimeter Solutions (PRM) options vested from the 2025 grant for Tracy Britt Cool?

From the February 12, 2025 grant, 6,194 stock options vested for director Cool Tracy Britt. This vesting occurred because Perimeter Solutions partially met the 2025 performance criteria applicable to a 35,000-share option originally granted on that date.

Which prior Perimeter Solutions (PRM) grants vested for Tracy Britt Cool in 2025?

Options from grants dated February 14, 2024, February 15, 2023, January 28, 2022 and December 7, 2021 vested in 2025. These included three separate 7,000-share tranches and one 1,750-share tranche, each tied to the company satisfying performance targets for the fiscal year ended December 31, 2025.

Are Tracy Britt Cool's Perimeter Solutions (PRM) option awards performance-based?

Yes. Each disclosed option grant vests in five equal annual installments based on Perimeter Solutions meeting performance criteria for fiscal years ending 2022 through 2029. The 2025 vesting amounts reflect that the company met, or partially met, the specific performance goals for that fiscal year.

Did Tracy Britt Cool buy or sell Perimeter Solutions (PRM) common stock in this Form 4?

No open-market stock purchases or sales were reported. The Form 4 shows acquisitions of stock options, not common shares, through performance-based vesting of previously granted awards that became exercisable after Perimeter Solutions achieved specified 2025 performance thresholds.

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Accepted by SEC EDGAR 03/02/2026 - 05:28 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Cool Tracy Britt

(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)

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

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)	$11.8	02/26/2026		A		6,194(1)		02/26/2026	02/12/2035	Common Stock	6,194	$0	6,194	D
Stock Option (right to buy)	$5.23	02/26/2026		A		7,000(2)		02/26/2026	02/14/2034	Common Stock	7,000	$0	14,000	D
Stock Option (right to buy)	$8.88	02/26/2026		A		7,000(3)		02/26/2026	02/15/2033	Common Stock	7,000	$0	21,000	D
Stock Option (right to buy)	$12.09	02/26/2026		A		7,000(4)		02/26/2026	01/28/2032	Common Stock	7,000	$0	28,000	D
Stock Option (right to buy)	$11.8	02/26/2026		A		1,750(5)		02/26/2026	12/07/2031	Common Stock	1,750	$0	7,000	D

Explanation of Responses:

1. On February 12, 2025, the reporting person was granted an option to purchase 35,000 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, 2025, 2026, 2027, 2028 and 2029. The performance criteria for 2025 were partially met, resulting in the vesting of the option as to 6,194 shares of common stock.

2. On February 14, 2024, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock.

3. On February 15, 2023, the reporting person was granted an option to purchase 35,000 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, 2023, 2024, 2025, 2026 and 2027. The performance criteria for 2025 were met, resulting in the vesting of the option as to 7,000 shares of common stock.

4. On January 28, 2022, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock.

5. On December 7, 2021, the reporting person was granted an option to purchase 8,750 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 1,750 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.
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