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$PRM All transactions

Perimeter Solutions, Inc.

A

$ Value

$0

Shares

7,000

Price

$0

Filed

Mar 2

Insider

Name

HENNESSY SEAN P

Title

CIK

0001203507

Roles

Director

Transaction Details

Transaction Date

2026-02-26

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

21,000

Footnotes

On February 12, 2025, the reporting person was granted an option to purchase 35,000 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 6,194 shares of common stock. | On February 14, 2024, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock. | On September 6, 2023, the reporting person was granted an option to purchase 35,000 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 2025 were met, resulting in the vesting of the option as to 7,000 shares of common stock. | On February 15, 2023, the reporting person was granted an option to purchase 35,000 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 2025 were met, resulting in the vesting of the option as to 7,000 shares of common stock. | On January 28, 2022, the reporting person was granted an option to purchase 35,000 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 7,000 shares of common stock. | On December 7, 2021, the reporting person was granted an option to purchase 8,750 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 1,750 shares of common stock.

Filing Info

Accession No.

0001203507-26-000002

Form Type

4

Issuer CIK

0001880319

HENNESSY SEAN P's History

Date Ticker Type Value
2026-03-20 TDG A $50K
2026-02-26 PRM A $0
2026-02-26 PRM A $0
2026-02-26 PRM A $0
2026-02-26 PRM A $0
2026-02-26 PRM A $0
2026-02-26 PRM A $0
2025-11-04 TDG A $0
2025-09-19 TDG A $46K
2025-05-20 TDG M $735K

Other Insiders at PRM (90d)

Insider Bought Sold Last
HENNESSY SEAN P 2026-02-26
Henderson Robert S 2026-02-26
Howley W Nicholas 2026-04-01
Iversen Bernt G II 2026-02-26
Valladares III Jorge L. 2026-02-26
Thorndike William N Jr $15.4M 2026-03-11
Cool Tracy Britt 2026-03-03
Raj Vivek 2026-03-03
Yokozuka Noriko
General Counsel
2026-02-26
Khouri Haitham
Chief Executive Officer
2026-03-03
Emery Jeffrey
President - Global Fire Safety
2026-02-26
Sable Kyle
Chief Financial Officer
2026-02-26
Bowman Grant
President, Specialty Products
2026-02-26