Kyle Sable - 12 Dec 2025 Form 4 Insider Report for Perimeter Solutions, Inc. (PRM)

Role: Chief Financial Officer
Signature: /s/ Noriko Yokozuka, as Attorney-in-Fact
Issuer symbol: PRM
Transactions as of: 12 Dec 2025
Net transactions value: -$2,011,000
Form type: 4
Filing time: 16 Dec 2025, 17:15:14 UTC
Previous filing: 08 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sable Kyle	Chief Financial Officer	C/O PERIMETER SOLUTIONS, INC., 8000 MARYLAND AVE., SUITE 350, CLAYTON	/s/ Noriko Yokozuka, as Attorney-in-Fact	16 Dec 2025	0002001580

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRM	Common Stock	Options Exercise	$836,000	+100,000		$8.36	100,000	12 Dec 2025	Direct
transaction	PRM	Common Stock	Sale	$2,847,000	-100,000	-100%	$28.47	0	12 Dec 2025	Direct	F1

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)	Options Exercise	$0	-100,000	-33%	$0.000000	200,000	12 Dec 2025	Common Stock	100,000	$8.36	Direct

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

Explanation of Responses:

Id	Content
F1	Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $28.16 to $29.44 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.