THORNDIKE WILLIAM N JR

PrivateCIK: 1437827
Location

BOSTON, MA

Senior insider sale

PERIMETER SOLUTIONS, INC. — senior position signals high conviction

$15.53M

650K shares

What this filing means

THORNDIKE WILLIAM N JR plans to sell 650K shares of PERIMETER SOLUTIONS, INC. valued at approximately $15.53M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderTHORNDIKE WILLIAM N JRCIK 1437827
IssuerPERIMETER SOLUTIONS, INC.CIK 1880319
Director
Since Nov 2021
650K
Shares to sell
$15.53M
Approx. market value
667.54K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Executive compensation

N/A

2/15/2025
667.54K
Total acquired667.54K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

125K

Market value

$3.03M

3/4/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

525K

Market value

$12.50M

3/5/2026
Total

Units

650K

Value

$15.53M

THORNDIKE WILLIAM N JR — Planned Insider Sale (Form 144) | Finecho