Grant Bowman - 26 Feb 2026 Form 4 Insider Report for Perimeter Solutions, Inc. (PRM)

Role: President, Specialty Products
Signature: /s/ Noriko Yokozuka, as Attorney-in-Fact
Issuer symbol: PRM
Transactions as of: 26 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 02 Mar 2026, 17:30:22 UTC
Previous filing: 21 Feb 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bowman Grant	President, Specialty Products	C/O PERIMETER SOLUTIONS, INC, 8000 MARYLAND AVE., SUITE 350, CLAYTON	/s/ Noriko Yokozuka, as Attorney-in-Fact	02 Mar 2026	0002040223

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
transaction	PRM	Stock Option (right to buy)	Award	$0	+100,000	+100%	$0.000000	200,000	26 Feb 2026	Common Stock	100,000	$5.23	Direct	F1
transaction	PRM	Stock Option (right to buy)	Award	$0	+39,820		$0.000000	39,820	26 Feb 2026	Common Stock	39,820	$11.80	Direct	F2

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

Explanation of Responses:

Id	Content
F1	On February 14, 2024, 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, 2024, 2025, 2026, 2027 and 2028. The performance criteria for 2025 were met, resulting in the vesting of the option as to 100,000 shares of common stock.
F2	On February 12, 2025, the reporting person was granted an option to purchase 225,000 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 39,820 shares of common stock.

Content

On February 14, 2024, 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, 2024, 2025, 2026, 2027 and 2028. The performance criteria for 2025 were met, resulting in the vesting of the option as to 100,000 shares of common stock.

On February 12, 2025, the reporting person was granted an option to purchase 225,000 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 39,820 shares of common stock.