Significant Ownership of William N. Thorndike Jr.

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for William N. Thorndike Jr. focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
/s/ William N Thorndike, Jr. - William N. Thorndike, Jr.
Manager location
Boston, MA

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Significant Ownership of William N. Thorndike Jr.

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PRM Perimeter Solutions, Inc. Common Stock 5.7% $254,703,570 9,309,341 William N. Thorndike, Jr. 03 Mar 2026

Schedules 13D/G Reported by William N. Thorndike Jr.:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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