ISSUER PROFILE · CIK 0001679268
Mammoth Energy Services, Inc.TUSK
2 13D/G filings
2 distinct filers
1 insider transactions (365d)
Cross-Reference Snapshot
Activist filings
2
1 SCHEDULE 13G · 1 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
1
1 buys · 0 sales
Latest short DTC
1.00
as of 2026-07-31
13D/G Filings Timeline · 2 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2025-12-11 |
Amron Arthur H |
director |
Buy |
10,000 |
$1.89 |
$19K |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|
| 2026-07-31 |
105,720 |
1.00 |
-8.6% |
| 2026-07-15 |
115,655 |
1.00 |
-12.7% |
| 2026-06-30 |
132,483 |
1.00 |
-83.4% |
| 2026-06-15 |
797,469 |
2.84 |
+8.3% |
| 2026-05-29 |
736,516 |
1.90 |
-3.4% |
| 2026-05-15 |
762,212 |
1.68 |
-12.0% |
| 2026-04-30 |
866,425 |
2.79 |
-11.4% |
| 2026-04-15 |
977,527 |
4.21 |
-6.7% |
| 2026-03-31 |
1,048,211 |
2.87 |
+21.3% |
| 2026-03-13 |
864,244 |
2.53 |
+24.5% |
| 2026-02-27 |
694,312 |
5.05 |
+2.7% |
| 2026-02-13 |
675,764 |
4.16 |
-4.1% |
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