| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| OTLK | Chief Operating Officer | Jun 21, 2022 | Buy | $1.05 | 10,000 | 10,500 | 1,173,058 | Jun 23, 2022, 05:08 PM |
| OTLK | Chief Operating Officer | Dec 06, 2021 | Buy | $1.38 | 25,201 | 34,777 | 1,163,058 | Dec 06, 2021, 05:26 PM |
| OTLK | Chief Operating Officer | Dec 03, 2021 | Buy | $1.42 | 10,000 | 14,200 | 1,137,857 | Dec 03, 2021, 04:32 PM |
| OTLK | Chief Operating Officer | Feb 23, 2021 | Sale | $2.09 | 15,900 | 33,199 | 1,127,857 | Feb 25, 2021, 08:51 PM |
| OTLK | Chief Operating Officer | Feb 12, 2021 | Sale | $2.55 | 63,700 | 162,435 | 1,143,757 | Feb 17, 2021, 09:13 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| OTLK | Chief Operating Officer | Jun 21, 2022 | Buy | 10,500 |
| OTLK | Chief Operating Officer | Dec 06, 2021 | Buy | 34,777 |
| OTLK | Chief Operating Officer | Dec 03, 2021 | Buy | 14,200 |
| OTLK | Chief Operating Officer | Feb 23, 2021 | Sale | 33,199 |
| OTLK | Chief Operating Officer | Feb 12, 2021 | Sale | 162,435 |