William N. Thorndike Jr. - 03 Mar 2026 SCHEDULE 13D Report for Perimeter Solutions, Inc. Common Stock (PRM)

Filing Manager
William N. Thorndike Jr.
Reporting Manager
William N. Thorndike, Jr.
Security
Perimeter Solutions, Inc. Common Stock
Symbol
PRM
Shares outstanding
163,321,772 shares
Disclosed Ownership
9,309,341 shares
Ownership
5.7%
Form type
SCHEDULE 13D
Filing time
10 Mar 2026, 18:12:02 UTC
Date of event
03 Mar 2026
SEC
View on sec.gov

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
William N. Thorndike, Jr. 5.7% 9,309,341 9,309,341 0 /s/ William N Thorndike, Jr. William N. Thorndike, Jr. 0001437827