| 2012-06-29 | Riot Blockchain, Inc. RIOT | Vice President | 2,000 0.1188% | $1.94 | $3,880 | +8.51% | ||
| 2008-01-18 | Riot Blockchain, Inc. RIOT | Chairman | 2,000 0.0072% | $6.62 | $13,240 | -11.29% | ||
| 2007-04-23 | Sale | Riot Blockchain, Inc. RIOT | Chairman | 100,000 0.4054% | $4.45 | $445,000 | +30.77% |