| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| OSTK | Exec VP & Chief Algorithms Off | Jan 26, 2020 | Option Exercise | $8.06 | 232 | 1,870 | 5,202 | Jan 28, 2020, 06:41 PM |
| OSTK | Exec VP & Chief Algorithms Off | Jan 26, 2020 | Option Exercise | $0.00 | 667 | 0 | 5,434 | Jan 28, 2020, 06:41 PM |
| OSTK | Exec VP & Chief Algorithms Off | Oct 26, 2019 | Option Exercise | $11.29 | 901 | 10,172 | 4,767 | Oct 29, 2019, 04:55 PM |
| OSTK | Exec VP & Chief Algorithms Off | Oct 26, 2019 | Option Exercise | $0.00 | 3,067 | 0 | 5,668 | Oct 29, 2019, 04:55 PM |
| OSTK | Chief Algorithms Officer | Jan 26, 2019 | Option Exercise | $18.38 | 231 | 4,246 | 2,601 | Jan 29, 2019, 03:04 PM |
| OSTK | Chief Algorithms Officer | Jan 26, 2019 | Option Exercise | $0.00 | 666 | 0 | 2,832 | Jan 29, 2019, 03:04 PM |
| OSTK | Chief Algorithms Officer | Oct 26, 2018 | Option Exercise | $19.88 | 901 | 17,912 | 2,166 | Oct 30, 2018, 11:30 AM |
| OSTK | Chief Algorithms Officer | Oct 26, 2018 | Option Exercise | $0.00 | 3,067 | 0 | 3,067 | Oct 30, 2018, 11:30 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| OSTK | Exec VP & Chief Algorithms Off | Jan 26, 2020 | Option Exercise | 1,870 |
| OSTK | Exec VP & Chief Algorithms Off | Jan 26, 2020 | Option Exercise | 0 |
| OSTK | Exec VP & Chief Algorithms Off | Oct 26, 2019 | Option Exercise | 10,172 |
| OSTK | Exec VP & Chief Algorithms Off | Oct 26, 2019 | Option Exercise | 0 |
| OSTK | Chief Algorithms Officer | Jan 26, 2019 | Option Exercise | 4,246 |
| OSTK | Chief Algorithms Officer | Jan 26, 2019 | Option Exercise | 0 |
| OSTK | Chief Algorithms Officer | Oct 26, 2018 | Option Exercise | 17,912 |
| OSTK | Chief Algorithms Officer | Oct 26, 2018 | Option Exercise | 0 |