Perimeter Solutions, Inc. — Director's Dealing 2025

Sep 8, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Perimeter Solutions, Inc. (PRM)
CIK: 0001880319
Period of Report: 2025-09-05

Reporting Person: Sable Kyle (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-05	Common Stock	M	40000	$3.89	Acquired	40000	Direct
2025-09-05	Common Stock	S	40000	$22.05	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-05	Stock Option (right to buy)	$3.89	M	40000	Disposed	2033-11-16	Common Stock (40000)	Direct

Footnotes

F1: Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $21.85 to $22.46 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.