| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| OSTK | Chief Technology Officer | Feb 02, 2020 | Option Exercise | $8.12 | 578 | 4,693 | 7,676 | Feb 04, 2020, 08:24 PM |
| OSTK | Chief Technology Officer | Feb 02, 2020 | Option Exercise | $0.00 | 1,667 | 0 | 8,254 | Feb 04, 2020, 08:24 PM |
| OSTK | Chief Technology Officer | Jan 26, 2020 | Option Exercise | $8.06 | 809 | 6,521 | 6,587 | Jan 28, 2020, 05:58 PM |
| OSTK | Chief Technology Officer | Jan 26, 2020 | Option Exercise | $0.00 | 2,333 | 0 | 7,396 | Jan 28, 2020, 05:58 PM |
| OSTK | Chief Technology Officer | Oct 30, 2019 | Option Exercise | $10.66 | 196 | 2,089 | 5,063 | Nov 01, 2019, 04:38 PM |
| OSTK | Chief Technology Officer | Oct 30, 2019 | Option Exercise | $0.00 | 666 | 0 | 5,259 | Nov 01, 2019, 04:38 PM |
| OSTK | Chief Technology Officer | Aug 01, 2019 | Sale | $22.59 | 400 | 9,036 | 4,593 | Aug 01, 2019, 04:46 PM |
| OSTK | Chief Technology Officer | Mar 24, 2019 | Option Exercise | $18.41 | 570 | 10,494 | 4,993 | Mar 26, 2019, 10:48 AM |
| OSTK | Chief Technology Officer | Mar 24, 2019 | Option Exercise | $0.00 | 2,000 | 0 | 5,563 | Mar 26, 2019, 10:48 AM |
| OSTK | Chief Technology Officer | Feb 02, 2019 | Option Exercise | $17.55 | 578 | 10,144 | 3,563 | Feb 05, 2019, 10:56 AM |
| OSTK | Chief Technology Officer | Feb 02, 2019 | Option Exercise | $0.00 | 1,667 | 0 | 4,141 | Feb 05, 2019, 10:56 AM |
| OSTK | Chief Technology Officer | Jan 26, 2019 | Option Exercise | $18.38 | 809 | 14,869 | 2,474 | Jan 29, 2019, 02:19 PM |
| OSTK | Chief Technology Officer | Jan 26, 2019 | Option Exercise | $0.00 | 2,333 | 0 | 3,283 | Jan 29, 2019, 02:19 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| OSTK | Chief Technology Officer | Feb 02, 2020 | Option Exercise | 4,693 |
| OSTK | Chief Technology Officer | Feb 02, 2020 | Option Exercise | 0 |
| OSTK | Chief Technology Officer | Jan 26, 2020 | Option Exercise | 6,521 |
| OSTK | Chief Technology Officer | Jan 26, 2020 | Option Exercise | 0 |
| OSTK | Chief Technology Officer | Oct 30, 2019 | Option Exercise | 2,089 |
| OSTK | Chief Technology Officer | Oct 30, 2019 | Option Exercise | 0 |
| OSTK | Chief Technology Officer | Aug 01, 2019 | Sale | 9,036 |
| OSTK | Chief Technology Officer | Mar 24, 2019 | Option Exercise | 10,494 |
| OSTK | Chief Technology Officer | Mar 24, 2019 | Option Exercise | 0 |
| OSTK | Chief Technology Officer | Feb 02, 2019 | Option Exercise | 10,144 |
| OSTK | Chief Technology Officer | Feb 02, 2019 | Option Exercise | 0 |
| OSTK | Chief Technology Officer | Jan 26, 2019 | Option Exercise | 14,869 |
| OSTK | Chief Technology Officer | Jan 26, 2019 | Option Exercise | 0 |