AMRON ARTHUR H purchased 9.6% of their position (5.50K shares) of MAMMOTH ENERGY SERVICES, INC. on the open market
Open‑market purchase worth $17.8K — a moderate purchase. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 5/28/2026ACC: 0001628280-26-038861
Director
Since Jan 2019
+5.50K
Net shares
Net buyer
$17.8K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
5.50K acquired
Non-Derivative Transactions2
Common Stock
Direct
Shares
+2.50K
Price / share
$3.24
Trade value
$8.10K
% of position
4.4%
5/26/2026
57.13K→59.63K
Common Stock
Direct
Shares
+3K
Price / share
$3.25
Trade value
$9.75K
% of position
5.0%
5/28/2026
59.63K→62.63K
Total
Net shares
+5.50K
Net value
$17.85K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/26/2026 | P · Purchase | +2.50K | $3.24 | $8.10K | 4.4% | 57.13K | 59.63K |
| Common Stock Direct | 5/28/2026 | P · Purchase | +3K | $3.25 | $9.75K | 5.0% | 59.63K | 62.63K |
| Total | +5.50K | $17.85K | ||||||
Derivative Transactions0
No derivative transactions reported