| 2021-12-06 | Sale | Riot Blockchain, Inc. RIOT | Chief Financial Officer | 100,000 0.1065% | $28.00 | $2.8M | -73.08% | |
| 2012-06-28 | Riot Blockchain, Inc. RIOT | Chief Financial Officer | 5,000 0.2833% | $1.92 | $9,595 | +4.62% | ||
| 2011-12-13 | Riot Blockchain, Inc. RIOT | Chief Financial Officer | 3,625 0.0414% | $1.58 | $5,728 | -70.39% | ||
| 2010-07-26 | Riot Blockchain, Inc. RIOT | Chief Financial Officer | 15,000 0.0421% | $0.71 | $10,694 | -14.08% |