Data spanning the past 90 days through December 20, 2025 reveals that Greenidge Generation Holdings's three principal insider shareholders consist of Director Capital Resources Gp Llc Atlas (3.88Mn shares), Director Christopher J. Krug (424.11K shares), Director Kenneth Hopkins Jr. Fearn (174.11K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Resources Gp Llc Atlas | 3,876,997 | 09 Oct, 2025 | |
| Capital, Llc 210 | 92,181 | 15 Sep, 2021 | |
| Christopher J. Krug | 424,107 | 17 Nov, 2025 | |
| Jeffrey E Kirt | Chief Executive Officer (CEO) | 29,500 | 30 Dec, 2021 |
| Kenneth Hopkins Jr. Fearn | 174,107 | 17 Nov, 2025 | |
| Jordan Kovler | Chief Executive Officer | 152,912 | 23 May, 2025 |
| Dale Irwin | President | 105,270 | 06 Aug, 2025 |
| Christian Mulvihill | Chief Financial Officer | 97,409 | 15 Oct, 2025 |
| Charles M. Zeynel | 83,493 | 17 Nov, 2025 | |
| Michael P Neuscheler | 3,711 | 13 Mar, 2023 | |
| Daniel Rothaupt | 2,053 | 13 Mar, 2023 | |
| Robert Loughran | Accounting Officer | 1,500 | 15 Nov, 2021 |
| Terence A. Burke | General Counsel | 409 | 05 Jan, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Nov, 2025 | Charles M. Zeynel | Class A Common Stock | A | 15,000 | $0.00 | 83,493 | D | A |
| 09 Nov, 2025 | Christopher J. Krug | Class A Common Stock | A | 22,500 | $0.00 | 174,107 | D | A |
| 09 Nov, 2025 | Kenneth Hopkins Jr. Fearn | Class A Common Stock | A | 22,500 | $0.00 | 174,107 | D | A |
| 13 Oct, 2025 | Christian Mulvihill | Class A Common Stock | D | 609 | $2.07 | 97,409 | D | S |
| 09 Oct, 2025 | Capital Resources Gp Llc Atlas | Class A Common Stock, par value $0.0001 per share | A | 102,286 | $1.62 | 3,876,997 | I | J |
| 16 Sep, 2025 | Christian Mulvihill | Class A Common Stock | D | 5 | $1.47 | 98,640 | D | S |
| 16 Sep, 2025 | Christian Mulvihill | Class A Common Stock | D | 622 | $1.46 | 98,018 | D | S |
| 18 Aug, 2025 | Charles M. Zeynel | Class A Common Stock | A | 68,493 | $0.00 | 68,493 | D | A |
| 13 Aug, 2025 | Christian Mulvihill | Class A Common Stock | D | 615 | $1.36 | 98,645 | D | S |
| 04 Aug, 2025 | Dale Irwin | Class A Common Stock | D | 1,727 | $1.50 | 105,270 | D | S |
| 04 Aug, 2025 | Dale Irwin | - | - | 105,270 | D | |||
| 04 Aug, 2025 | Christian Mulvihill | Class A Common Stock | D | 1,696 | $1.50 | 99,260 | D | S |
| 14 Jul, 2025 | Christian Mulvihill | Class A Common Stock | D | 611 | $1.88 | 100,956 | D | S |
| 02 Jul, 2025 | Capital Resources Gp Llc Atlas | Class A Common Stock, par value $0.0001 per share | A | 131,937 | $1.23 | 3,774,711 | I | J |
| 13 Jun, 2025 | Christian Mulvihill | Class A Common Stock | D | 14 | $1.47 | 102,180 | D | S |
| 13 Jun, 2025 | Christian Mulvihill | Class A Common Stock | D | 613 | $1.45 | 101,567 | D | S |
| 21 May, 2025 | Christian Mulvihill | Class A Common Stock | D | 4,596 | $1.30 | 102,194 | D | S |
| 21 May, 2025 | Jordan Kovler | Class A Common Stock | D | 3,133 | $1.30 | 147,912 | D | S |
| 21 May, 2025 | Dale Irwin | Class A Common Stock | D | 4,681 | $1.30 | 107,174 | D | S |
| 23 May, 2025 | Jordan Kovler | Class A Common Stock | A | 5,000 | $1.56 | 152,912 | D | P |