Form4insider filings, from the source

Company · CIK 0001880319 · SIC 2800 — Chemicals & Allied Products · NYSE

Perimeter Solutions, Inc. · PRM

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $195.6M · 1net −$195.6M
$100k$100k$10M$10M$1B$1BbuyssalesJun 25Jun 25Jun 25Jun 26Jun 26Jun 26Jun 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 26, 2026 SForm 4/A →Jul 13, 5:30 pm EDTWINDACRE PARTNERSHIP LLC +410% Owner5,705,979$34.28$195,609,06216,148,621−26.1%
Jun 26, 2026 SForm 4 →Jun 30, 7:51 pm EDTWINDACRE PARTNERSHIP LLC10% Owner5,705,979$34.28$195,609,06216,148,621−26.1% amended

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.