As of March 23, 2026, the three largest insider holders of TUSK are Arty Straehla (Chief Executive Officer, 1.01Mn shares), Mark E. Layton (Cfo And Secretary, 418.99K shares), James D Palm (Director, 240.14K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Arty Straehla | Chief Executive Officer | 1,012,107 | 0 | 19 Dec, 2023 |
| Mark E. Layton | Cfo And Secretary | 418,985 | 0 | 07 Mar, 2023 |
| James D Palm | 240,144 | 0 | 14 Jun, 2024 | |
| Arthur L Smith | 130,034 | 0 | 27 May, 2025 | |
| Corey J. Booker | 125,488 | 0 | 26 Nov, 2024 | |
| Arthur H Amron | 57,135 | 0 | 15 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Dec, 2025 | Arthur H Amron | Common Stock | A | 10,000 | $1.89 | 57,135 | D | P |
| 22 May, 2025 | Arthur L Smith | Common Stock | D | 20,000 | $2.51 | 130,034 | D | S |
| 19 May, 2025 | Arthur L Smith | Common Stock | D | 15,000 | $2.49 | 200,034 | D | S |
| 20 May, 2025 | Arthur L Smith | Common Stock | D | 50,000 | $2.51 | 150,034 | D | S |
| 12 Dec, 2024 | Arthur H Amron | Common Stock | A | 1,000 | $2.97 | 47,135 | D | P |
| 22 Nov, 2024 | Corey J. Booker | Common Stock | D | 10,000 | $3.43 | 140,488 | D | S |
| 25 Nov, 2024 | Corey J. Booker | Common Stock | D | 15,000 | $3.47 | 125,488 | D | S |
| 20 Nov, 2024 | Corey J. Booker | Common Stock | D | 5,000 | $3.21 | 157,197 | D | S |
| 21 Nov, 2024 | Corey J. Booker | Common Stock | D | 6,709 | $3.25 | 150,488 | D | S |
| 13 Nov, 2024 | Corey J. Booker | Common Stock | D | 7,100 | $3.68 | 165,804 | D | S |
| 14 Nov, 2024 | Corey J. Booker | Common Stock | D | 3,607 | $3.50 | 162,197 | D | S |
| 07 Nov, 2024 | Corey J. Booker | Common Stock | D | 165 | $3.90 | 176,422 | D | S |
| 08 Nov, 2024 | Corey J. Booker | Common Stock | D | 24 | $3.76 | 176,398 | D | S |
| 11 Nov, 2024 | Corey J. Booker | Common Stock | D | 3,494 | $3.61 | 172,904 | D | S |
| 12 Jun, 2024 | Arthur L Smith | Common Stock | A | 27,856 | $0.00 | 215,034 | D | A |
| 12 Jun, 2024 | Corey J. Booker | Common Stock | A | 27,856 | $0.00 | 176,587 | D | A |
| 12 Jun, 2024 | James D Palm | Common Stock | A | 27,856 | $0.00 | 240,144 | D | A |
| 12 Jun, 2024 | Arthur H Amron | Common Stock | A | 27,856 | $0.00 | 46,135 | D | A |
| 28 May, 2024 | Arthur H Amron | Common Stock | A | 2,000 | $3.57 | 15,279 | D | P |
| 30 May, 2024 | Arthur H Amron | Common Stock | A | 3,000 | $3.65 | 18,279 | D | P |