WEXFORD CAPITAL LP
SEC Form 4 insider trading activity
WEXFORD CAPITAL LP has filed 3 SEC Form 4 filings (6 transaction rows) across 2 companies, including NEPH, TUSK, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.
On the most recent filing, WEXFORD CAPITAL LP is listed as Chief Business Officer at MAMMOTH ENERGY SERVICES, INC. Inside the rolling window, WEXFORD CAPITAL LP reported 1 open-market purchase totaling $10.5M in TUSK and no open-market sales.
Companies traded
Other insiders at NEPH
Insider Buying
$10.5M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has WEXFORD CAPITAL LP made?
WEXFORD CAPITAL LP has filed 3 SEC Form 4 filings (6 transaction rows) across 2 companies, including NEPH, TUSK since 2026.
Which companies does WEXFORD CAPITAL LP trade?
WEXFORD CAPITAL LP has filed SEC Form 4 disclosures for 2 companies, including NEPH, TUSK.
When was WEXFORD CAPITAL LP's most recent SEC Form 4 filing?
WEXFORD CAPITAL LP's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.
What is WEXFORD CAPITAL LP's total buy and sell value in the current window?
Inside the rolling retention window, WEXFORD CAPITAL LP bought $10.5M and sold $0 based on SEC Form 4 filings.
What was WEXFORD CAPITAL LP's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 4,019,574 TUSK shares on 2026-06-17, worth $10.5M, per SEC Form 4 filings.