Thorndike William N Jr 4

What Happened
William N. Thorndike Jr., a director of Perimeter Solutions, sold a total of 325,000 shares in open-market transactions between March 4 and March 6, 2026, for aggregate proceeds of approximately $7,801,500. The sales were: 125,000 shares on Mar 4 at a weighted average price of $24.26 (≈ $3,032,500), 100,000 shares on Mar 5 at a weighted average price of $24.06 (≈ $2,406,000), and 100,000 shares on Mar 6 at a weighted average price of $23.63 (≈ $2,363,000). These were outright sales (code "S") — sales are common for liquidity or portfolio management and do not necessarily indicate a change in view about the company.

Key Details

• Transaction dates and prices:
  • Mar 4, 2026 — 125,000 shares @ weighted avg $24.26 (prices ranged ~$23.85–$24.53) — $3,032,500 (F1)
  • Mar 5, 2026 — 100,000 shares @ weighted avg $24.06 (prices ranged ~$23.66–$24.40) — $2,406,000 (F2)
  • Mar 6, 2026 — 100,000 shares @ weighted avg $23.63 (prices ranged ~$23.37–$23.99) — $2,363,000 (F3)
• Total shares sold: 325,000; total proceeds: ≈ $7,801,500.
• Shares owned after the transaction: not provided in the supplied filing excerpt.
• Footnotes: F1–F3 explain the reported prices are weighted averages and give price ranges for each day; the reporting person will provide detailed per-price breakdowns on request.
• Filing timeliness: Form 4 filed on Mar 6, 2026 covering trades through Mar 6 — no late filing flag shown in the provided data.
• No 10b5-1 plan, option exercise, gift, or tax-withholding notation was disclosed in the provided details.

Context
Sales by directors are often routine (liquidity, diversification, tax planning) and, by themselves, should not be read as firm indicators of company performance. Purchases typically carry more weight for interpreting insider sentiment. This filing documents a material amount of selling (≈ $7.8M) but gives no explanation for the trades.