| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| AKBA | SVP, Chief Legal Officer | Mar 01, 2022 | Sale | $2.17 | 14,507 | 31,490 | 308,875 | Mar 02, 2022, 09:10 PM |
| AKBA | SVP, Chief Legal Officer | Feb 28, 2022 | Sale | $2.15 | 6,555 | 14,125 | 265,748 | Mar 02, 2022, 09:10 PM |
| AKBA | SVP, Chief Legal Officer | Apr 01, 2021 | Sale | $3.40 | 1,060 | 3,604 | 272,303 | Apr 01, 2021, 08:33 PM |
| AKBA | SVP, Chief Legal Officer | Mar 01, 2021 | Sale | $3.40 | 14,285 | 48,513 | 271,147 | Mar 02, 2021, 04:08 PM |
| AKBA | SVP, Chief Legal Officer | Feb 28, 2020 | Sale | $8.70 | 7,050 | 61,335 | 212,756 | Mar 02, 2020, 07:28 PM |
| AKBA | SVP, CLO & Secretary | Apr 11, 2019 | Option Exercise | $7.70 | 11,929 | 91,853 | 154,806 | Apr 12, 2019, 04:00 PM |
| AKBA | SVP, General Counsel, Sec. | Dec 12, 2018 | Option Exercise | $8.94 | 20,175 | 180,364 | 101,284 | Dec 13, 2018, 08:15 AM |
| AKBA | SVP, General Counsel, Sec. | Oct 02, 2017 | Sale | $19.89 | 7,803 | 155,188 | 108,054 | Oct 04, 2017, 04:21 PM |
| AKBA | SVP, General Counsel, Sec. | Jul 03, 2017 | Sale | $14.26 | 1,554 | 22,156 | 109,607 | Jul 06, 2017, 12:24 PM |
| AKBA | SVP, General Counsel, Sec. | Apr 03, 2017 | Sale | $9.18 | 1,556 | 14,280 | 109,856 | Apr 04, 2017, 04:01 PM |
| AKBA | SVP, General Counsel, Sec. | Jan 01, 2017 | Sale | $10.49 | 1,810 | 18,988 | 82,912 | Jan 03, 2017, 04:01 PM |
| AKBA | SVP, General Counsel, Sec. | Oct 01, 2016 | Sale | $8.95 | 1,556 | 13,934 | 83,915 | Oct 04, 2016, 04:12 PM |
| AKBA | SVP, General Counsel, Sec. | Jul 05, 2016 | Sale | $7.47 | 1,557 | 11,625 | 85,471 | Jul 06, 2016, 04:08 PM |
| AKBA | SVP, General Counsel, Sec. | Apr 04, 2016 | Sale | $9.41 | 1,556 | 14,642 | 85,528 | Apr 05, 2016, 04:03 PM |
| AKBA | SVP, General Counsel, Sec. | Jan 04, 2016 | Sale | $12.28 | 1,811 | 22,239 | 64,584 | Jan 06, 2016, 04:04 PM |
| AKBA | SVP, General Counsel, Sec. | Oct 02, 2015 | Sale | $8.67 | 1,484 | 12,860 | 65,260 | Oct 05, 2015, 04:02 PM |
| AKBA | SVP, General Counsel, Sec. | Jul 02, 2015 | Sale | $9.54 | 1,484 | 14,160 | 66,744 | Jul 06, 2015, 04:03 PM |
| AKBA | SVP, General Counsel, Sec. | Apr 02, 2015 | Sale | $9.09 | 1,483 | 13,478 | 67,015 | Jul 02, 2015, 07:29 AM |
| AKBA | SVP, General Counsel, Sec. | Jan 02, 2015 | Sale | $11.46 | 1,715 | 19,655 | 68,498 | Jul 02, 2015, 07:27 AM |
| AKBA | SVP, General Counsel, Sec. | Apr 01, 2015 | Option Exercise | $9.51 | 4,539 | 43,166 | 77,576 | Apr 06, 2015, 04:13 PM |
| AKBA | SVP, General Counsel, Sec. | Apr 02, 2015 | Sale | $9.09 | 1,483 | 13,478 | 76,093 | Apr 06, 2015, 04:13 PM |
| AKBA | VP General Counsel & Secretary | Jan 01, 2015 | Option Exercise | $11.64 | 4,539 | 52,834 | 74,752 | Jan 05, 2015, 04:35 PM |
| AKBA | VP General Counsel & Secretary | Jan 02, 2015 | Sale | $11.46 | 1,715 | 19,655 | 73,037 | Jan 05, 2015, 04:35 PM |
| AKBA | VP General Counsel & Secretary | Dec 02, 2014 | Option Exercise | $11.43 | 5,910 | 67,551 | 70,213 | Dec 03, 2014, 04:07 PM |
| AKBA | See Remarks | Mar 25, 2014 | Buy | $17.00 | 3,500 | 59,500 | 76,123 | Mar 27, 2014, 04:00 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| AKBA | SVP, Chief Legal Officer | Mar 01, 2022 | Sale | 31,490 |
| AKBA | SVP, Chief Legal Officer | Feb 28, 2022 | Sale | 14,125 |
| AKBA | SVP, Chief Legal Officer | Apr 01, 2021 | Sale | 3,604 |
| AKBA | SVP, Chief Legal Officer | Mar 01, 2021 | Sale | 48,513 |
| AKBA | SVP, Chief Legal Officer | Feb 28, 2020 | Sale | 61,335 |
| AKBA | SVP, CLO & Secretary | Apr 11, 2019 | Option Exercise | 91,853 |
| AKBA | SVP, General Counsel, Sec. | Dec 12, 2018 | Option Exercise | 180,364 |
| AKBA | SVP, General Counsel, Sec. | Oct 02, 2017 | Sale | 155,188 |
| AKBA | SVP, General Counsel, Sec. | Jul 03, 2017 | Sale | 22,156 |
| AKBA | SVP, General Counsel, Sec. | Apr 03, 2017 | Sale | 14,280 |
| AKBA | SVP, General Counsel, Sec. | Jan 01, 2017 | Sale | 18,988 |
| AKBA | SVP, General Counsel, Sec. | Oct 01, 2016 | Sale | 13,934 |
| AKBA | SVP, General Counsel, Sec. | Jul 05, 2016 | Sale | 11,625 |
| AKBA | SVP, General Counsel, Sec. | Apr 04, 2016 | Sale | 14,642 |
| AKBA | SVP, General Counsel, Sec. | Jan 04, 2016 | Sale | 22,239 |
| AKBA | SVP, General Counsel, Sec. | Oct 02, 2015 | Sale | 12,860 |
| AKBA | SVP, General Counsel, Sec. | Jul 02, 2015 | Sale | 14,160 |
| AKBA | SVP, General Counsel, Sec. | Apr 02, 2015 | Sale | 13,478 |
| AKBA | SVP, General Counsel, Sec. | Jan 02, 2015 | Sale | 19,655 |
| AKBA | SVP, General Counsel, Sec. | Apr 01, 2015 | Option Exercise | 43,166 |
| AKBA | SVP, General Counsel, Sec. | Apr 02, 2015 | Sale | 13,478 |
| AKBA | VP General Counsel & Secretary | Jan 01, 2015 | Option Exercise | 52,834 |
| AKBA | VP General Counsel & Secretary | Jan 02, 2015 | Sale | 19,655 |
| AKBA | VP General Counsel & Secretary | Dec 02, 2014 | Option Exercise | 67,551 |
| AKBA | See Remarks | Mar 25, 2014 | Buy | 59,500 |