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A

Amron Arthur H

Open-market buys
4
$32K total
Open-market sells
0
$0 total
Tracking since
May 2026
Activity timeline
Open-market buy — $7K
MAMMOTH ENERGY SERVICES, INC. · Jun 12, 2026
Open-market buy — $8K
MAMMOTH ENERGY SERVICES, INC. · Jun 11, 2026
Open-market trades from the last two years.

2 more trades. A free account shows you more; Premium shows every one.

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Holdings as last reported
158,623 Common Stock in NEPH
Held directly · as of 2026-09-14
86,256 Common Stock in TUSK
Held directly · as of 2026-06-17

4 more holdings. A free account shows you more; Premium shows every one.

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Companies touched
NEPHROS INC
CIK 0001196298
MAMMOTH ENERGY SERVICES, INC.
CIK 0001679268