List of insiders holdings for Riot Blockchain Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Yi Soo il Benjamin EXECUTIVE CHAIRMAN | 2026-01-05 18:00:25 | 9,638,339 1,000,000 | 10,638,339 | Form 4 |
| 2 | Les Jason CEO | 2026-02-13 16:17:32 | 7,942,573 1,501,259 | 9,443,832 | Form 5 |
| 3 | Chung Jason EVP, CORP DEV | 2026-01-05 18:00:30 | 3,129,142 0 | 3,129,142 | Form 4 |
| 4 | Jackman William Richard CHIEF LEGAL OFFICER (CLO) | 2026-01-05 18:00:28 | 2,853,105 0 | 2,853,105 | Form 4 |
| 5 | 1837 RMB Managers L.L.C. 1837 Partners L.P. 1837 Partners QP L.P. 1837 Partners Ltd. 10% Owner | 2007-07-19 10:37:36 | 2,762,911 0 | 2,762,911 | Form 4 |
| 6 | Peierls Brian E 10% Owner | 2007-04-18 17:37:48 | 258,457 2,057,469 | 2,315,926 | Form 4 |
| 7 | Yee Colin M. EVP, CFO | 2026-01-05 18:46:06 | 2,115,366 0 | 2,115,366 | Form 4 |
| 8 | Howell Stephen Mitchell Jr. COO | 2026-01-05 18:00:21 | 2,030,734 0 | 2,030,734 | Form 4 |
| 9 | HURST ROGER 10% Owner | 2006-08-10 10:55:53 | 1,784,500 0 | 1,784,500 | Form 4 |
| 10 | Gibbs Jonathan CDCO | 2026-01-05 18:00:31 | 1,232,899 0 | 1,232,899 | Form 4 |
| 11 | Donnelly Richard G President & CEO | 2009-01-28 19:39:43 | 1,099,681 5,000 | 1,104,681 | Form 4 |
| 12 | Werner Ryan D. SVP, CAO | 2026-01-05 18:00:17 | 990,414 0 | 990,414 | Form 4 |
| 13 | MCGONEGAL JEFFREY Senior Advisor | 2023-01-13 18:41:51 | 876,280 0 | 876,280 | Form 4 |
| 14 | LANDMANN CATHY 10% Owner | 2003-10-01 15:45:37 | 0 585,060 | 585,060 | Form 4 |
| 15 | Mancini Remo Director | 2020-11-18 17:07:05 | 471,544 0 | 471,544 | Form 4 |
| 16 | Brooks Megan M. [See Remarks] | 2022-07-15 21:57:33 | 231,096 0 | 231,096 | Form 4 |
| 17 | Bennett Gregory L SVP Manufacturing & Prod Dev | 2011-07-12 16:49:15 | 200,000 0 | 200,000 | Form 4 |
| 18 | Beeghley Michael Martin Former CEO, Chairman | 2017-11-07 17:13:18 | 177,918 0 | 177,918 | Form 4 |
| 19 | Chang Robby Sai Kit Chief Financial Officer | 2018-09-24 20:40:40 | 84,000 0 | 84,000 | Form 4 |
| 20 | D'Ambrosio Lance Varro Director | 2025-10-10 19:42:29 | 60,544 0 | 60,544 | Form 4/A |
| 21 | Cho Hannah Director | 2025-03-18 16:33:47 | 59,265 0 | 59,265 | Form 4 |
| 22 | KAPLAN ANDREW J Director | 2018-09-24 20:45:58 | 53,500 0 | 53,500 | Form 4 |
| 23 | PUSEY GREGORY VP, Investor Relations | 2012-12-13 18:41:04 | 53,340 0 | 53,340 | Form 4 |
| 24 | LANDON JOHN H Director | 2015-01-14 16:20:16 | 0 53,000 | 53,000 | Form 4 |
| 25 | O'Rourke John R. III President, CEO, Chairman | 2017-12-29 17:23:13 | 39,500 12,500 | 52,000 | Form 4 |
| 26 | CASPARI ROBERT FREDERICK COO & Chief Medical Officer | 2010-01-21 18:39:00 | 50,000 0 | 50,000 | Form 4 |
| 27 | Hurd Donald R SVP & Chief Commercial Officer | 2015-01-14 16:19:13 | 50,000 0 | 50,000 | Form 4 |
| 28 | Mouton Douglas Director | 2025-07-15 18:30:05 | 36,487 0 | 36,487 | Form 4 |
| 29 | Whitcomb Richard J. Senior Vice President | 2016-09-23 16:44:28 | 35,000 0 | 35,000 | Form 4 |
| 30 | Robertsen Daniel Stefan President of subsidiary | 2018-01-31 17:36:20 | 35,000 0 | 35,000 | Form 3 |
| 31 | Theriot Lyle Joseph See Remarks | 2022-07-18 19:10:46 | 28,488 0 | 28,488 | Form 4 |
| 32 | Leverton Jaime Director | 2025-07-15 18:30:07 | 28,103 0 | 28,103 | Form 4 |
| 33 | Turner Michael John Director | 2025-07-15 18:30:12 | 28,103 0 | 28,103 | Form 4 |
| 34 | SCHOETTLER GAIL Director | 2016-05-11 17:29:34 | 21,000 0 | 21,000 | Form 4 |
| 35 | Lundy Stephen T. President, CEO | 2017-02-07 16:57:07 | 20,500 0 | 20,500 | Form 4 |
| 36 | ROUTH MICHAEL W Director | 2016-12-02 16:11:43 | 16,333 0 | 16,333 | Form 4 |
| 37 | Miller Erik VP Marketing & Bus Development | 2012-05-02 17:24:01 | 15,000 0 | 15,000 | Form 4 |
| 38 | Harris Chad Everett (SEE REMARKS) | 2023-02-03 18:38:13 | 14,400 0 | 14,400 | Form 4 |
| 39 | Williams Stephen Alaric Director | 2016-05-11 17:36:59 | 14,000 0 | 14,000 | Form 4 |
| 40 | WELCH DAVID E Director | 2016-05-11 17:31:38 | 14,000 0 | 14,000 | Form 4 |
| 41 | FAULKNER DARYL Director | 2016-05-11 17:27:30 | 14,000 0 | 14,000 | Form 4 |
| 42 | Evans Susan A Director | 2016-05-11 17:26:34 | 14,000 0 | 14,000 | Form 4 |
| 43 | HEPLER DOUGLAS I Director | 2012-04-04 15:18:20 | 10,000 0 | 10,000 | Form 4 |
| 44 | Colgin Mark Chief Scientific Officer | 2011-01-07 16:32:42 | 10,000 0 | 10,000 | Form 4 |
| 45 | RATAIN MARK J Director | 2012-04-04 15:24:42 | 10,000 0 | 10,000 | Form 4 |
| 46 | So Eric Director | 2017-10-30 09:25:38 | 7,500 0 | 7,500 | Form 3 |
| 47 | Dai Mike Director | 2017-08-23 17:19:41 | 7,499 0 | 7,499 | Form 4 |
| 48 | Marleau Hubert Director | 2025-03-05 17:44:34 | 5,000 0 | 5,000 | Form 4 |
| 49 | Merson Michael R Director | 2012-07-03 13:16:05 | 1,180 0 | 1,180 | Form 4 |
| 50 | LIEBER HOWARD Prospective 10% Owner | 2003-06-27 17:22:50 | 0 0 | 0 | Form 13D |
| 51 | Ensey Christopher Interim CEO | 2019-03-15 09:35:13 | 0 0 | 0 | Form 4/A |
| 52 | Talon Opportunity Partners L.P. Talon Opportunity Managers L.L.C. 10% Owner | 2006-04-05 16:52:43 | 0 0 | 0 | Form 4 |
| 53 | Roaring Fork Capital SBIC L.P. 10% Owner | 2008-02-13 15:43:19 | 0 0 | 0 | Form 13G |
| 54 | Peierls Foundation Inc. 10% Owner | 2012-07-05 17:18:56 | 0 0 | 0 | Form 13G |
| 55 | PEIERLS E JEFFREY 10% Owner | 2018-02-09 17:22:52 | 0 0 | 0 | Form 13G |
| 56 | Honig Barry C 10% Owner | 2018-04-19 10:19:07 | 0 0 | 0 | Form 13D |
| 57 | Northern Data AG 10% Owner | 2021-09-22 16:18:43 | 0 0 | 0 | Form 13G |