Perimeter Solutions, Inc. — Director's Dealing 2025

Feb 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Perimeter Solutions, Inc. (PRM)
CIK: 0001880319
Period of Report: 2025-02-20

Reporting Person: Khouri Haitham (Director, Chief Executive Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-20	Stock Option (right to buy)	$5.23	A	100000	Acquired	2034-02-14	Common Stock (100000)	Direct
2025-02-20	Stock Option (right to buy)	$8.26	A	800000	Acquired	2033-03-08	Common Stock (800000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1225385	Indirect
Common Stock	249833	Direct

Footnotes

F1: These shares of common stock are held in an irrevocable dynasty trust of which the reporting person and Joseph Cornell are trustees. The reporting person maintains sole voting and dispositive power with respect to such shares of common stock.

F2: 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 2024 were met, resulting in the vesting of the option as to 100,000 shares of common stock.

F3: On March 8, 2023, the reporting person was granted an option to purchase 2,000,000 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 2024 were met, resulting in the cumulative vesting of the option as to 800,000 shares of common stock.