Transaction Details

Footnotes

This restricted stock unit was granted on January 1, 2026. The restricted stock unit will fully vest on the first anniversary of the date of grant, subject to his continued service as a director, or upon later termination of his service as a director at his election. | The shares are held by Bauhaus 1 LLC, which LLC is held by The Irrevocable Agreement of Trust of Alec Machiels (the "Trust"). The reporting person is the managing member of Bauhaus 1 LLC and the trustee of the Trust. | Owned by spouse. | On September 7, 2021, the reporting person's spouse transferred 150,000 shares of Apellis Pharmaceuticals, Inc. common stock to her trust, of which the reporting person is the trustee. | This option was granted on January 1, 2026. The option vests quarterly on the last day of each quarter from the date of grant, subject to his continued service as a director and expires seven years after the date of grant.