Comstock's top three insider shareholders as of September 09, 2026 are Kevin Kreisler (President, 5.00Mn shares), William Joseph Mccarthy (Chief Operating Officer, 3.05Mn shares), David Winsness (Chief Technology Officer, 2.00Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Kevin Kreisler | President | 0 | 5,000,000 | 5,000,000 | 53.0% | 07 Sep, 2021 |
| 2 | David Winsness | Chief Technology Officer | 0 | 2,000,000 | 2,000,000 | 21.2% | 07 Sep, 2021 |
| 3 | William Joseph Mccarthy | Chief Operating Officer | 1,542,000 | 0 | 1,542,000 | 16.4% | 09 May, 2024 |
| 4 | Leo M Drozdoff | Director | 199,416 | 0 | 199,416 | 2.1% | 06 Jul, 2026 |
| 5 | Corrado Degasperis | Ceo | 170,818 | 0 | 170,818 | 1.8% | 12 May, 2026 |
| 6 | William John Nance | Director | 127,616 | 0 | 127,616 | 1.4% | 06 Jul, 2026 |
| 7 | Walter A. Jr Marting | Director | 126,916 | 0 | 126,916 | 1.3% | 06 Jul, 2026 |
| 8 | Kristin Slanina | Director | 116,951 | 0 | 116,951 | 1.2% | 06 Jul, 2026 |
| 9 | Mayaguez J Salinas | Director | 97,699 | 0 | 97,699 | 1.0% | 10 Apr, 2026 |
| 10 | Steven Yu-Tsung Pei | Director | 13,935 | 0 | 13,935 | 0.1% | 06 Jul, 2026 |
| 11 | Donald A Colvin | Director | 13,935 | 0 | 13,935 | 0.1% | 06 Jul, 2026 |
| 12 | Robert Spence | Director | 7,993 | 0 | 7,993 | 0.1% | 10 Apr, 2026 |
| 13 | Rahul Bobbili | Chief Engineering Officer | 4,400 | 0 | 4,400 | 0.0% | 28 May, 2024 |
| 14 | Judd Merrill | Chief Financial Officer | 4,210 | 0 | 4,210 | 0.0% | 01 Apr, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 06 Aug, 2026 | Corrado Degasperis | Ceo | Acquired P | 7,250 | $3.04 | $22.05K | 188,750 | Direct |
| 06 Jul, 2026 | Kristin Slanina | Director | Acquired A | 5,942 | $0.00 | $0 | 116,951 | Direct |
| 06 Jul, 2026 | William John Nance | Director | Acquired A | 5,942 | $0.00 | $0 | 127,616 | Direct |
| 06 Jul, 2026 | Walter A. Jr Marting | Director | Acquired A | 5,942 | $0.00 | $0 | 126,916 | Direct |
| 06 Jul, 2026 | Donald A Colvin | Director | Acquired A | 5,942 | $0.00 | $0 | 13,935 | Direct |
| 06 Jul, 2026 | Leo M Drozdoff | Director | Acquired A | 5,942 | $0.00 | $0 | 199,416 | Direct |
| 06 Jul, 2026 | Steven Yu-Tsung Pei | Director | Acquired A | 5,942 | $0.00 | $0 | 13,935 | Direct |
| 15 Jun, 2026 | Judd Merrill | Chief Financial Officer | Acquired A | 304,449 | $0.00 | $0 | 304,449 | Direct |
| 15 Jun, 2026 | Corrado Degasperis | Ceo | Acquired A | 619,059 | $0.00 | $0 | 619,059 | Direct |
| 15 Jun, 2026 | Matthew J Bieberly | Chief Accounting Officer | Acquired A | 92,234 | $0.00 | $0 | 92,234 | Direct |
| 15 Jun, 2026 | Corrado Degasperis | Ceo | Acquired A | 247,252 | $0.00 | $0 | 247,252 | Direct |
| 15 Jun, 2026 | Judd Merrill | Chief Financial Officer | Acquired A | 121,597 | $0.00 | $0 | 121,597 | Direct |
| 15 Jun, 2026 | Matthew J Bieberly | Chief Accounting Officer | Acquired A | 36,838 | $0.00 | $0 | 36,838 | Direct |
| 11 Jun, 2026 | Steven Yu-Tsung Pei | Director | Acquired P | 100,000 | $4.09 | $408.52K | 1,718,323 | Indirect |
| 12 Jun, 2026 | Steven Yu-Tsung Pei | Director | Acquired P | 150,000 | $4.10 | $615.71K | 1,868,323 | Indirect |
| 03 Jun, 2026 | Corrado Degasperis | Ceo | Acquired P | 10,682 | $3.98 | $42.46K | 181,500 | Direct |
| 03 Jun, 2026 | Leo M Drozdoff | Director | Acquired P | 7,000 | $4.11 | $28.77K | 193,474 | Direct |
| 01 Jun, 2026 | Steven Yu-Tsung Pei | Director | Acquired P | 26,177 | $4.14 | $108.36K | 1,557,157 | Indirect |
| 02 Jun, 2026 | Steven Yu-Tsung Pei | Director | Acquired P | 153,823 | $4.10 | $630.92K | 1,710,980 | Indirect |
| 03 Jun, 2026 | Steven Yu-Tsung Pei | Director | Acquired P | 180,000 | $3.93 | $707.40K | 1,890,980 | Indirect |