As of April 17, 2026, Kezar Life Sciences's top three insider holders are Venture Investments Ltd Morningside (TenPercentOwner, 1.95Mn shares), Franklin M Berger (Director, 890.69K shares), Christopher J. Kirk (President And Cso, 431.35K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Venture Investments Ltd Morningside | - | 1,947,993 | 0 | 17 Aug, 2023 |
| Franklin M Berger | - | 890,691 | 0 | 22 Mar, 2022 |
| Christopher J. Kirk | President And Cso | 431,348 | 0 | 24 Jul, 2023 |
| John Franklin Fowler | Ceo | 393,904 | 0 | 14 Nov, 2022 |
| Michael Kauffman | - | 63,690 | 0 | 05 Jan, 2022 |
| Mark C. Schiller | Chief Operating Officer | 2,739 | 0 | 03 Jul, 2025 |
| Pichi Luo Chiang | Svp, Corporate Controller | 2,711 | 0 | 03 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Jul, 2025 | Mark C. Schiller | Common Stock | D | 561 | $4.28 | 2,739 | D | S |
| 02 Jul, 2025 | Pichi Luo Chiang | Common Stock | D | 264 | $4.28 | 2,711 | D | S |
| 01 Jul, 2025 | Zung Phuong To | Employee Stock Option (right to buy) | A | 7,000 | $0.00 | 7,000 | D | A |
| 18 Jun, 2025 | Courtney Wallace | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Graham K Cooper | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Elizabeth Garner | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Micki Klearman | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Franklin M Berger | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Michael Kauffman | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | John Franklin Fowler | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 27 Mar, 2025 | Mark C. Schiller | Employee Stock Option (right to buy) | A | 4,800 | $0.00 | 12,000 | D | A |
| 27 Mar, 2025 | Marc Belsky | Employee Stock Option (right to buy) | A | 4,800 | $0.00 | 12,000 | D | A |
| 04 Mar, 2025 | Mark C. Schiller | Employee Stock Option (right to buy) | A | 7,200 | $0.00 | 7,200 | D | A |
| 04 Mar, 2025 | Marc Belsky | Employee Stock Option (right to buy) | A | 7,200 | $0.00 | 7,200 | D | A |
| 14 Feb, 2025 | John Franklin Fowler | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 09 Jan, 2025 | Christopher J. Kirk | Employee Stock Option (right to buy) | A | 120,000 | $0.00 | 120,000 | D | A |
| 09 Jan, 2025 | Mark C. Schiller | Employee Stock Option (right to buy) | A | 24,500 | $0.00 | 24,500 | D | A |
| 09 Jan, 2025 | Marc Belsky | Employee Stock Option (right to buy) | A | 24,500 | $0.00 | 24,500 | D | A |
| 02 Jul, 2024 | Mark C. Schiller | Common Stock | D | 6,688 | $0.58 | 33,007 | D | S |
| 20 Jun, 2024 | Graham K Cooper | Stock Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |