Henderson Robert S
SEC insider (Form 3/4/5 filer). CIK 0001352561. Director at Perimeter Solutions, Inc. (PRM). 15 reported Form 4/5 transactions since Sep 2024; latest on Feb 26, 2026. Located in CLAYTON, MO.
Companies Henderson Robert S has filed insider reports for
- Perimeter Solutions, Inc. (PRM): Director
Henderson Robert S
CIK: 0001352561
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Perimeter Solutions, Inc.
Discretionary Trading P&L
Holdings
Transaction History (15 total)
- Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
7K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
2.7K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
6.2K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
7K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
7K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
1.8K shares- - Feb 26, 2026PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
7K shares- - Feb 20, 2025PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
5.3K shares- - Feb 20, 2025PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
7K shares- - Feb 20, 2025PRM
Perimeter Solutions, Inc.
AwardDirectStock Option (right to buy)
14K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 7,000 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 2,655 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 6,194 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 7,000 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 7,000 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 1,750 | - | - | Direct |
| Feb 26, 2026 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 7,000 | - | - | Direct |
| Feb 20, 2025 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 5,250 | - | - | Direct |
| Feb 20, 2025 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 7,000 | - | - | Direct |
| Feb 20, 2025 | PRM Perimeter Solutions, Inc. | Award Stock Option (right to buy) | 14,000 | - | - | Direct |
1-10 of 15 transactions