PLAUMANN MARK LAWRENCE purchased 5K shares of MAMMOTH ENERGY SERVICES, INC. on the open market
Open‑market purchase worth $15.0K. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 9/17/2026ACC: 0001628280-26-062552
Director
Since Sep 2026
+5K
Net shares
Net buyer
$15.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
5K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+5K
Price / share
$3.00
Trade value
$15K
% of position
New position
9/16/2026
0.00→5K
Total
Net shares
+5K
Net value
$15K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/16/2026 | P · Purchase | +5K | $3.00 | $15K | New position | 0.00 | 5K |
| Total | +5K | $15K | ||||||
Derivative Transactions0
No derivative transactions reported