Lambert William D
EVP and CFO
Lambert William D has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Sep 15, 2025.
On the most recent filing, Lambert William D is listed as EVP and CFO at Matador Resources Co. Inside the rolling window, Lambert William D reported 1 open-market purchase totaling $7K in MTDR and no open-market sales.
Companies traded
Other insiders at MTDR
Insider Buying
$7K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Lambert William D made?
Lambert William D has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2025.
Which companies does Lambert William D trade?
Lambert William D has filed SEC Form 4 disclosures for 1 company, including MTDR.
When was Lambert William D's most recent SEC Form 4 filing?
Lambert William D's most recent SEC Form 4 filing on Tracefour is dated Sep 15, 2025.
What is Lambert William D's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Lambert William D is listed as EVP and CFO.
What is Lambert William D's total buy and sell value in the current window?
Inside the rolling retention window, Lambert William D bought $7K and sold $0 based on SEC Form 4 filings.
What was Lambert William D's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 150 MTDR shares on 2025-09-12, worth $7K, per SEC Form 4 filings.