Thorndike William N Jr

SEC Form 4 insider trading activity

Thorndike William N Jr has filed 6 SEC Form 4 filings (12 transaction rows) across 2 companies, including CNX, PRM, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: May 11, 2026.

On the most recent filing, Thorndike William N Jr is listed as Director at CNX Resources Corp. Inside the rolling window, Thorndike William N Jr reported no open-market purchases and 7 open-market sales totaling $16.5M in CNX and PRM. The largest disclosed transaction in the window is a sale of 125,000 PRM shares on Mar 4, 2026, worth $3.0M.

Companies traded

Other insiders at CNX

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$16.5M

reported sales (SEC code S)

Companies

2

in the rolling window

Source
CNXSale$1.1MMay 6SEC ↗
PRMSale$2.9MMar 11SEC ↗
PRMSale$2.4MMar 11SEC ↗
PRMSale$2.3MMar 11SEC ↗
PRMSale$3.0MMar 6SEC ↗
PRMSale$2.4MMar 6SEC ↗
PRMSale$2.4MMar 6SEC ↗
Showing 1–7 of 7
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Thorndike William N Jr made?

Thorndike William N Jr has filed 6 SEC Form 4 filings (12 transaction rows) across 2 companies, including CNX, PRM since 2025.

Which companies does Thorndike William N Jr trade?

Thorndike William N Jr has filed SEC Form 4 disclosures for 2 companies, including CNX, PRM.

When was Thorndike William N Jr's most recent SEC Form 4 filing?

Thorndike William N Jr's most recent SEC Form 4 filing on Tracefour is dated May 11, 2026.

What is Thorndike William N Jr's total buy and sell value in the current window?

Inside the rolling retention window, Thorndike William N Jr bought $0 and sold $16.5M based on SEC Form 4 filings.

What was Thorndike William N Jr's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 125,000 PRM shares on 2026-03-04, worth $3.0M, per SEC Form 4 filings.