Perimeter Solutions, Inc. — Director's Dealing 2026

Mar 2, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Perimeter Solutions, Inc. (PRM)
CIK: 0001880319
Period of Report: 2026-02-26

Reporting Person: Yokozuka Noriko (General Counsel)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-26	Stock Option (right to buy)	$10	A	120000	Acquired	2031-11-08	Common Stock (120000)	Direct

Footnotes

F1: On November 8, 2021, the reporting person was granted an option to purchase 600,000 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 120,000 shares of common stock.