Skip to main content

Thorndike William N Jr

In the past year, 3 open-market sale filings worth $16.5M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$16.5M
3 filings
Net
−$16.5M
Bought minus sold
Companies
2
With open-market trades

Trades

Every Form 4 that lists Thorndike William N Jr as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

CNX CNX Resources Corp

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 6, 2026 (view filing)May 42 daysThorndike William N JrDirectorSSaleCommon shares, $0.01 par value per share−28.8K$38.25−$1.10M−6.3%426.6K after

PRM Perimeter Solutions, Inc.

Director2 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 11, 2026 (view filing)Mar 9-112 daysThorndike William N JrDirectorSSale−325.0K$23.39−$7.60M−3.7%8.54M after4 lots
Mar 6, 2026 (view filing)Mar 4-62 daysThorndike William N JrDirectorSSale−325.0K$24.00−$7.80M−3.5%8.86M after3 lots