Thorndike William N Jr (CIK 1437827) reported 13 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-11). Recent activity: Buy CNX (8,770 shares), Buy CNX (83,097 shares), Sell CNX (28,800 shares), Sell PRM (90,043 shares), Sell PRM (34,957 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-11 | CNX Resources Corp (CNX) | Director | Buy | 8,770 | $0 |
| 2026-05-06 | CNX Resources Corp (CNX) | Director | Buy | 83,097 | $1.1M |
| 2026-05-06 | CNX Resources Corp (CNX) | Director | Sell | 28,800 | $1.1M |
| 2026-03-11 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 90,043 | $2.1M |
| 2026-03-11 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 34,957 | $833,724 |
| 2026-03-11 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 100,000 | $2.4M |
| 2026-03-11 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 100,000 | $2.3M |
| 2026-03-06 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 125,000 | $3.0M |
| 2026-03-06 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 100,000 | $2.4M |
| 2026-03-06 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 100,000 | $2.4M |
| 2026-03-05 | Perimeter Solutions, Inc. (PRM) | Director | Buy | 5.6M | $0 |
| 2025-12-11 | Perimeter Solutions, Inc. (PRM) | Director | Sell | 673,685 | $0 |
| 2025-06-24 | Perimeter Solutions, Inc. (PRM) | Director | Buy | 746,767 | $0 |
Source: SEC Form 4 filings · as of 2026-05-11