| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Watson David O. | General Counsel | C/O APELLIS PHARMACEUTICALS, INC, 100 FIFTH AVENUE, 3RD FLOOR, WALTHAM | David Watson | 14 Jan 2026 | 0001657719 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | APLS | Common Stock | Sale | $128,242 | -5,780 | -5.5% | $22.19 | 98,838 | 13 Jan 2026 | Direct | F1 |
| holding | APLS | Common Stock | 10,000 | 13 Jan 2026 | Indirect Owner (Custodial Account for minor children) | F2 | |||||
| holding | APLS | Common Stock | 50,136 | 13 Jan 2026 | Indirect Owner (The David O. Watson Irrevocable Trust of 2023) | F3 |
| Id | Content |
|---|---|
| F1 | This represents shares sold to cover tax withholding on the Restricted Stock Units released on January 12, 2026. |
| F2 | This represents a custodial account held by the reporting person for the sole benefit of his minor children. |
| F3 | The securities are held by The David O. Watson Irrevocable Trust of 2023. William Zorn is the trustee of The David O. Watson Irrevocable Trust of 2023. The reporting person disclaims beneficial ownership over the shares held by The David O. Watson Irrevocable Trust of 2023 except to the extent of his pecuniary interest therein. |