William N. Thorndike Jr.
CIK: 0001437827
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- May 7, 2026CNX
CNX Resources Corp
Award(A)Direct8.8K shares- - May 4, 2026CNX
CNX Resources Corp
Sale(S)Direct28.8K shares at avg. $38.25$1.1M - May 4, 2026CNX
CNX Resources Corp
Exercise(M)Direct83.1K shares at avg. $13.19$1.1M - Mar 11, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct100K shares at avg. $23.18$2.3M - Mar 10, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct100K shares at avg. $23.63$2.4M - Mar 9, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct90K shares at avg. $23.18$2.1M - Mar 9, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct35K shares at avg. $23.85$834K - Mar 6, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct100K shares at avg. $23.63$2.4M - Mar 5, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct100K shares at avg. $24.06$2.4M - Mar 4, 2026PRM
Perimeter Solutions, Inc.
Sale(S)Direct125K shares at avg. $24.26$3.0M - Mar 3, 2026PRM
Perimeter Solutions, Inc.
Award(A)Direct5.6M shares- - Dec 9, 2025PRM
Perimeter Solutions, Inc.
Gift(G)Direct673.7K shares- - Jun 20, 2025PRM
Perimeter Solutions, Inc.
Other(J)Direct746.8K shares- - Nov 6, 2024PRM
Perimeter Solutions, SA
Exercise(M)Direct125K shares at avg. $12.00$1.5M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 7, 2026 |  CNX CNX Resources Corp | Award(A) | 8,770 | - | $0 | Direct |
| May 4, 2026 | CNX CNX Resources Corp | Sale(S) | 28,800 | $38.25 | $1,101,545 | Direct |
| May 4, 2026 | CNX CNX Resources Corp | Exercise(M) | 83,097 | $13.19 | $1,095,692 | Direct |
| Mar 11, 2026 |  PRM Perimeter Solutions, Inc. | Sale(S) | 100,000 | $23.18 | $2,318,000 | Direct |
| Mar 10, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 100,000 | $23.63 | $2,363,000 | Direct |
| Mar 9, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 90,043 | $23.18 | $2,087,197 | Direct |
| Mar 9, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 34,957 | $23.85 | $833,724 | Direct |
| Mar 6, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 100,000 | $23.63 | $2,363,000 | Direct |
| Mar 5, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 100,000 | $24.06 | $2,406,000 | Direct |
| Mar 4, 2026 | PRM Perimeter Solutions, Inc. | Sale(S) | 125,000 | $24.26 | $3,032,500 | Direct |
| Mar 3, 2026 | PRM Perimeter Solutions, Inc. | Award(A) | 5,582,492 | - | $0 | Direct |
| Dec 9, 2025 | PRM Perimeter Solutions, Inc. | Gift(G) | 673,685 | - | - | Direct |
| Jun 20, 2025 | PRM Perimeter Solutions, Inc. | Other(J) | 746,767 | - | - | Direct |
| Nov 6, 2024 | PRM Perimeter Solutions, SA | Exercise(M) | 125,000 | $12.00 | $1,500,000 | Direct |
1-14 of 14 transactions
About Thorndike William N Jr
Thorndike William N Jr (SEC CIK 0001437827) files insider reports with the SEC as Director of CNX Resources Corp (CNX) and Director of Perimeter Solutions, Inc. (PRM).
Signal8 holds 8 ownership filings by Thorndike William N Jr, all Form 4s, filed between Nov 8, 2024 and May 11, 2026. Those filings report 14 transactions, from Nov 6, 2024 to May 7, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Thorndike William N Jr's filings is in CLAYTON, MO.
Recent filings by Thorndike William N Jr
- May 7, 2026: Grant or award of CNX shares (Form 4, code A).
- May 4, 2026: Open-market sale of CNX shares (Form 4, code S).
- May 4, 2026: Option exercise of CNX shares (Form 4, code M).
- Mar 11, 2026: Open-market sale of PRM shares (Form 4, code S).
- Mar 10, 2026: Open-market sale of PRM shares (Form 4, code S).
Other insiders filing for CNX Resources Corp (CNX)
- Lally-Green Maureen, Director
- Long Melissa A, Controller
- Srivastava Ravi, Chief Financial Officer
- DEIULIIS NICHOLAS J, Director
- Shepard Alan K, President & CEO
- Behl Navneet, Chief Operating Officer