| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ABOS | Stock Option (Right to Buy) | Award | $0 | -25K | -50% | $0.00 | 25K | Jun 6, 2023 | Common Stock | 25K | $5.20 | See Footnotes | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | The shares subject to the option will vest on the earlier of June 6, 2024 or the 2024 annual stockholder meeting, subject to Ms. Stoppel's continuous service through each such vesting date. |
| F2 | RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"), RA Capital Nexus Fund II, L.P. (the "Nexus Fund II") and a separately managed account (the "Account"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky, and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein. |
| F3 | Under Ms. Stoppel's arrangement with the Adviser, Ms. Stoppel holds the option for the benefit of the Fund, the Nexus Fund II and the Account. Ms. Stoppel is obligated to turn over to the Adviser any net cash or stock received upon exercise of the option, which will offset advisory fees owed by the Fund, the Nexus Fund II, and the Account to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock. |
Ms. Stoppel, a Principal of the Adviser, serves on the Issuer's board of directors.