| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2018 | Option Exercise | $35.85 | 734 | 26,314 | 22,246 | Apr 10, 2018, 03:23 PM |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2018 | Option Exercise | $0.00 | 2,500 | 0 | 22,980 | Apr 10, 2018, 03:23 PM |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2018 | Option Exercise | $45.20 | 1,468 | 66,354 | 20,480 | Mar 27, 2018, 04:25 PM |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2018 | Option Exercise | $0.00 | 5,000 | 0 | 21,948 | Mar 27, 2018, 04:25 PM |
| OSTK | SVP, Customer & Partner Care | Feb 02, 2018 | Option Exercise | $56.00 | 1,067 | 59,752 | 16,948 | Feb 06, 2018, 02:04 PM |
| OSTK | SVP, Customer & Partner Care | Feb 02, 2018 | Option Exercise | $0.00 | 3,333 | 0 | 18,015 | Feb 06, 2018, 02:04 PM |
| OSTK | SVP, Customer & Partner Care | May 26, 2017 | Sale | $14.35 | 3,500 | 50,228 | 14,682 | May 31, 2017, 02:46 PM |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2017 | Option Exercise | $17.40 | 809 | 14,077 | 18,182 | Apr 11, 2017, 05:33 PM |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2017 | Option Exercise | $0.00 | 2,500 | 0 | 18,991 | Apr 11, 2017, 05:33 PM |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2017 | Option Exercise | $17.00 | 1,632 | 27,744 | 16,491 | Mar 28, 2017, 04:18 PM |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2017 | Option Exercise | $0.00 | 5,000 | 0 | 18,123 | Mar 28, 2017, 04:18 PM |
| OSTK | SVP, Customer & Partner Care | Jan 28, 2017 | Option Exercise | $17.05 | 942 | 16,061 | 13,123 | Jan 31, 2017, 12:56 PM |
| OSTK | SVP, Customer & Partner Care | Jan 28, 2017 | Option Exercise | $0.00 | 2,500 | 0 | 14,065 | Jan 31, 2017, 12:56 PM |
| OSTK | SVP, Customer & Partner Care | Nov 18, 2016 | Sale | $17.62 | 1,500 | 26,437 | 11,565 | Nov 21, 2016, 03:59 PM |
| OSTK | SVP,Supplier/Cust/People Care | Aug 12, 2016 | Sale | $16.00 | 3,500 | 56,000 | 13,065 | Aug 15, 2016, 11:42 AM |
| OSTK | SVP,Supplier/Cust/People Care | Apr 07, 2016 | Option Exercise | $0.00 | 787 | 0 | 16,565 | Apr 11, 2016, 06:35 PM |
| OSTK | SVP,Supplier/Cust/People Care | Apr 07, 2016 | Option Exercise | $0.00 | 2,500 | 0 | 17,352 | Apr 11, 2016, 06:35 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2016 | Option Exercise | $0.00 | 942 | 0 | 14,852 | Feb 01, 2016, 01:46 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2016 | Option Exercise | $0.00 | 2,500 | 0 | 15,794 | Feb 01, 2016, 01:46 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2016 | Option Exercise | $0.00 | 848 | 0 | 13,294 | Jan 19, 2016, 03:19 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2016 | Option Exercise | $0.00 | 2,250 | 0 | 14,142 | Jan 19, 2016, 03:19 PM |
| OSTK | SVP,Supplier/Cust/People Care | Mar 12, 2015 | Sale | $23.99 | 3,500 | 83,965 | 11,892 | Mar 16, 2015, 03:50 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2015 | Option Exercise | $0.00 | 809 | 0 | 15,392 | Jan 30, 2015, 05:35 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2015 | Option Exercise | $0.00 | 2,500 | 0 | 16,201 | Jan 30, 2015, 05:35 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 23, 2015 | Option Exercise | $0.00 | 3,304 | 0 | 13,701 | Jan 27, 2015, 11:53 AM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 23, 2015 | Option Exercise | $0.00 | 10,000 | 1 | 17,005 | Jan 27, 2015, 11:53 AM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2015 | Option Exercise | $0.00 | 848 | 0 | 7,005 | Jan 16, 2015, 03:27 PM |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2015 | Option Exercise | $0.00 | 2,250 | 0 | 7,853 | Jan 16, 2015, 03:27 PM |
| OSTK | SVP | Jun 02, 2014 | Sale | $15.27 | 2,500 | 38,177 | 5,603 | Jun 03, 2014, 03:57 PM |
| OSTK | SVP, Customer and Partner Care | Jan 23, 2014 | Option Exercise | $0.00 | 1,617 | 0 | 8,103 | Jan 24, 2014, 05:39 PM |
| OSTK | SVP, Customer and Partner Care | Jan 22, 2014 | Option Exercise | $0.00 | 1,175 | 0 | 4,720 | Jan 24, 2014, 05:39 PM |
| OSTK | SVP, Customer and Partner Care | Jan 23, 2014 | Option Exercise | $0.00 | 5,000 | 0 | 9,720 | Jan 24, 2014, 05:39 PM |
| OSTK | SVP, Customer and Partner Care | Jan 22, 2014 | Option Exercise | $0.00 | 3,750 | 0 | 5,895 | Jan 24, 2014, 05:39 PM |
| OSTK | SVP, Customer and Partner Care | Jan 14, 2014 | Option Exercise | $0.00 | 1,130 | 0 | 2,145 | Jan 16, 2014, 12:40 PM |
| OSTK | SVP, Customer and Partner Care | Jan 14, 2014 | Option Exercise | $0.00 | 3,000 | 0 | 3,275 | Jan 16, 2014, 12:40 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2018 | Option Exercise | 26,314 |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2018 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2018 | Option Exercise | 66,354 |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2018 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | Feb 02, 2018 | Option Exercise | 59,752 |
| OSTK | SVP, Customer & Partner Care | Feb 02, 2018 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | May 26, 2017 | Sale | 50,228 |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2017 | Option Exercise | 14,077 |
| OSTK | SVP, Customer & Partner Care | Apr 07, 2017 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2017 | Option Exercise | 27,744 |
| OSTK | SVP, Customer & Partner Care | Mar 24, 2017 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | Jan 28, 2017 | Option Exercise | 16,061 |
| OSTK | SVP, Customer & Partner Care | Jan 28, 2017 | Option Exercise | 0 |
| OSTK | SVP, Customer & Partner Care | Nov 18, 2016 | Sale | 26,437 |
| OSTK | SVP,Supplier/Cust/People Care | Aug 12, 2016 | Sale | 56,000 |
| OSTK | SVP,Supplier/Cust/People Care | Apr 07, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Apr 07, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2016 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Mar 12, 2015 | Sale | 83,965 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2015 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 28, 2015 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 23, 2015 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 23, 2015 | Option Exercise | 1 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2015 | Option Exercise | 0 |
| OSTK | SVP,Supplier/Cust/People Care | Jan 14, 2015 | Option Exercise | 0 |
| OSTK | SVP | Jun 02, 2014 | Sale | 38,177 |
| OSTK | SVP, Customer and Partner Care | Jan 23, 2014 | Option Exercise | 0 |
| OSTK | SVP, Customer and Partner Care | Jan 22, 2014 | Option Exercise | 0 |
| OSTK | SVP, Customer and Partner Care | Jan 23, 2014 | Option Exercise | 0 |
| OSTK | SVP, Customer and Partner Care | Jan 22, 2014 | Option Exercise | 0 |
| OSTK | SVP, Customer and Partner Care | Jan 14, 2014 | Option Exercise | 0 |
| OSTK | SVP, Customer and Partner Care | Jan 14, 2014 | Option Exercise | 0 |