Amron Arthur H
SEC Form 4 insider trading activity
Amron Arthur H has filed 9 SEC Form 4 filings (14 transaction rows) across 2 companies, including NEPH, TUSK, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.
On the most recent filing, Amron Arthur H is listed as Director at MAMMOTH ENERGY SERVICES, INC. Inside the rolling window, Amron Arthur H reported 5 open-market purchases totaling $51K in TUSK and no open-market sales. The largest disclosed transaction in the window is a purchase of 10,000 TUSK shares on Dec 11, 2025, worth $19K.
Companies traded
Other insiders at NEPH
Insider Buying
$51K
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 Amron Arthur H made?
Amron Arthur H has filed 9 SEC Form 4 filings (14 transaction rows) across 2 companies, including NEPH, TUSK since 2025.
Which companies does Amron Arthur H trade?
Amron Arthur H has filed SEC Form 4 disclosures for 2 companies, including NEPH, TUSK.
When was Amron Arthur H's most recent SEC Form 4 filing?
Amron Arthur H's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.
What is Amron Arthur H's total buy and sell value in the current window?
Inside the rolling retention window, Amron Arthur H bought $51K and sold $0 based on SEC Form 4 filings.
What was Amron Arthur H's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 10,000 TUSK shares on 2025-12-11, worth $19K, per SEC Form 4 filings.