| 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 | $0.00 | 25K | Jun 10, 2024 | Common Stock | 25K | $2.62 | See Footnotes | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | The shares subject to the option will vest on the earlier of June 10, 2025 or the 2025 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, the Fund, the Nexus Fund II, Dr. Kolchinsky, and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein. |
| F3 | Laura Stoppel is a Principal of the Adviser who serves on the Issuer's board of directors. Under Ms. Stoppel's arrangement with the Adviser, Ms. Stoppel holds the option for the benefit of the Fund and the Nexus Fund II. 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 and the Nexus Fund II to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock. |
Laura Stoppel, a Principal of the Adviser, serves on the Issuer's board of directors.