| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| IMUX | Executive Chairman | May 12, 2022 | Buy | $5.03 | 10,000 | 50,300 | 22,032 | May 13, 2022, 08:31 AM |
| IMUX | Executive Chairman | Aug 10, 2021 | Buy | $9.80 | 1,000 | 9,800 | 15,032 | Aug 11, 2021, 09:02 AM |
| IMUX | Executive Chairman | May 12, 2021 | Buy | $12.75 | 4,000 | 51,000 | 14,032 | May 12, 2021, 04:31 PM |
| IMUX | Director | Dec 03, 2019 | Option Exercise | $7.15 | 7,930 | 56,732 | 14,432 | Dec 04, 2019, 07:00 PM |
| IMUX | Director | Dec 04, 2019 | Sale | $6.96 | 4,400 | 30,624 | 10,032 | Dec 04, 2019, 07:00 PM |
| AKBA | Director | Feb 15, 2018 | Sale | $14.62 | 1,000 | 14,620 | 21,499 | Feb 16, 2018, 04:07 PM |
| AKBA | Director | Oct 02, 2017 | Sale | $19.64 | 1,188 | 23,332 | 22,499 | Oct 04, 2017, 04:21 PM |
| AKBA | Director | Jul 03, 2017 | Sale | $14.27 | 990 | 14,127 | 23,687 | Jul 06, 2017, 12:23 PM |
| VTL | President | Jun 08, 2017 | Buy | $3.12 | 3,900 | 12,182 | 8,224 | Jun 09, 2017, 04:06 PM |
| AKBA | Director | Apr 03, 2017 | Sale | $9.20 | 991 | 9,119 | 24,677 | Apr 04, 2017, 04:01 PM |
| AKBA | Director | Jan 03, 2017 | Sale | $10.46 | 1,980 | 20,711 | 25,668 | Jan 03, 2017, 04:02 PM |
| AKBA | Director | Oct 03, 2016 | Sale | $8.96 | 1,981 | 17,746 | 27,648 | Oct 04, 2016, 04:12 PM |
| AKBA | Director | Jul 06, 2016 | Sale | $7.48 | 1,980 | 14,819 | 29,629 | Jul 07, 2016, 04:07 PM |
| AKBA | Director | Oct 02, 2015 | Sale | $8.65 | 996 | 8,617 | 31,609 | Oct 05, 2015, 04:06 PM |
| AKBA | Director | Jul 02, 2015 | Sale | $9.53 | 996 | 9,490 | 32,605 | Jul 06, 2015, 04:04 PM |
| AKBA | Director | Apr 01, 2015 | Option Exercise | $9.51 | 1,980 | 18,830 | 13,012 | Jun 09, 2015, 04:19 PM |
| AKBA | Director | Apr 02, 2015 | Sale | $9.09 | 996 | 9,052 | 12,016 | Jun 09, 2015, 04:19 PM |
| AKBA | Director | Jan 01, 2015 | Option Exercise | $11.64 | 1,980 | 23,047 | 13,809 | Jun 09, 2015, 04:13 PM |
| AKBA | Director | Jan 02, 2015 | Sale | $11.46 | 995 | 11,403 | 12,814 | Jun 09, 2015, 04:13 PM |
| AKBA | Director | Dec 23, 2014 | Option Exercise | $11.54 | 23,762 | 274,213 | 23,762 | Jun 09, 2015, 04:07 PM |
| AKBA | Director | Dec 26, 2014 | Sale | $11.19 | 5,169 | 57,846 | 11,829 | Jun 09, 2015, 04:07 PM |
| AKBA | Director | Dec 24, 2014 | Sale | $11.26 | 6,764 | 76,189 | 16,998 | Jun 09, 2015, 04:07 PM |
| AKBA | Director | Apr 01, 2015 | Option Exercise | $9.51 | 1,980 | 18,830 | 13,012 | Apr 06, 2015, 04:14 PM |
| AKBA | Director | Apr 02, 2015 | Sale | $9.09 | 996 | 9,052 | 12,016 | Apr 06, 2015, 04:14 PM |
| AKBA | Director | Jan 01, 2015 | Option Exercise | $11.64 | 1,980 | 23,047 | 13,809 | Jan 05, 2015, 04:32 PM |
| AKBA | Director | Jan 02, 2015 | Sale | $11.46 | 995 | 11,403 | 12,814 | Jan 05, 2015, 04:32 PM |
| AKBA | Director | Dec 23, 2014 | Option Exercise | $11.54 | 23,762 | 274,213 | 23,762 | Jan 05, 2015, 04:30 PM |
| AKBA | Director | Dec 26, 2014 | Sale | $11.19 | 5,169 | 57,846 | 11,829 | Jan 05, 2015, 04:30 PM |
| AKBA | Director | Dec 24, 2014 | Sale | $11.26 | 6,764 | 76,189 | 16,998 | Jan 05, 2015, 04:30 PM |
| AKBA | Director | Dec 23, 2014 | Option Exercise | $11.54 | 23,762 | 274,213 | 23,762 | Dec 29, 2014, 04:25 PM |
| AKBA | Director | Dec 26, 2014 | Sale | $11.19 | 5,169 | 57,846 | 11,829 | Dec 29, 2014, 04:25 PM |
| AKBA | Director | Dec 24, 2014 | Sale | $11.26 | 6,764 | 76,189 | 16,998 | Dec 29, 2014, 04:25 PM |
| VTL | See Remarks | Oct 08, 2014 | Buy | $17.50 | 100 | 1,750 | 9,324 | Oct 09, 2014, 09:09 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| IMUX | Executive Chairman | May 12, 2022 | Buy | 50,300 |
| IMUX | Executive Chairman | Aug 10, 2021 | Buy | 9,800 |
| IMUX | Executive Chairman | May 12, 2021 | Buy | 51,000 |
| IMUX | Director | Dec 03, 2019 | Option Exercise | 56,732 |
| IMUX | Director | Dec 04, 2019 | Sale | 30,624 |
| AKBA | Director | Feb 15, 2018 | Sale | 14,620 |
| AKBA | Director | Oct 02, 2017 | Sale | 23,332 |
| AKBA | Director | Jul 03, 2017 | Sale | 14,127 |
| VTL | President | Jun 08, 2017 | Buy | 12,182 |
| AKBA | Director | Apr 03, 2017 | Sale | 9,119 |
| AKBA | Director | Jan 03, 2017 | Sale | 20,711 |
| AKBA | Director | Oct 03, 2016 | Sale | 17,746 |
| AKBA | Director | Jul 06, 2016 | Sale | 14,819 |
| AKBA | Director | Oct 02, 2015 | Sale | 8,617 |
| AKBA | Director | Jul 02, 2015 | Sale | 9,490 |
| AKBA | Director | Apr 01, 2015 | Option Exercise | 18,830 |
| AKBA | Director | Apr 02, 2015 | Sale | 9,052 |
| AKBA | Director | Jan 01, 2015 | Option Exercise | 23,047 |
| AKBA | Director | Jan 02, 2015 | Sale | 11,403 |
| AKBA | Director | Dec 23, 2014 | Option Exercise | 274,213 |
| AKBA | Director | Dec 26, 2014 | Sale | 57,846 |
| AKBA | Director | Dec 24, 2014 | Sale | 76,189 |
| AKBA | Director | Apr 01, 2015 | Option Exercise | 18,830 |
| AKBA | Director | Apr 02, 2015 | Sale | 9,052 |
| AKBA | Director | Jan 01, 2015 | Option Exercise | 23,047 |
| AKBA | Director | Jan 02, 2015 | Sale | 11,403 |
| AKBA | Director | Dec 23, 2014 | Option Exercise | 274,213 |
| AKBA | Director | Dec 26, 2014 | Sale | 57,846 |
| AKBA | Director | Dec 24, 2014 | Sale | 76,189 |
| AKBA | Director | Dec 23, 2014 | Option Exercise | 274,213 |
| AKBA | Director | Dec 26, 2014 | Sale | 57,846 |
| AKBA | Director | Dec 24, 2014 | Sale | 76,189 |
| VTL | See Remarks | Oct 08, 2014 | Buy | 1,750 |