KZR's three largest insider shareholders as of March 23, 2026 are Venture Investments Ltd Morningside (TenPercentOwner, 1.95Mn shares), Christopher J. Kirk (Director, 431.35K shares), John Franklin Fowler (Ceo, 393.90K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Venture Investments Ltd Morningside | 1,947,993 | 0 | 17 Aug, 2023 | |
| Christopher J. Kirk | 431,348 | 0 | 24 Jul, 2023 | |
| John Franklin Fowler | Ceo | 393,904 | 0 | 14 Nov, 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 | Pichi Luo Chiang | Common Stock | D | 264 | $4.28 | 2,711 | D | S |
| 02 Jul, 2025 | Mark C. Schiller | Common Stock | D | 561 | $4.28 | 2,739 | 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 | 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 | John Franklin Fowler | Stock Option (right to buy) | A | 5,000 | $0.00 | 5,000 | D | A |
| 18 Jun, 2025 | Courtney Wallace | 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 |
| 04 Mar, 2025 | Mark C. Schiller | 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 | Mark C. Schiller | Employee Stock Option (right to buy) | A | 24,500 | $0.00 | 24,500 | D | A |
| 09 Jan, 2025 | Christopher J. Kirk | Employee Stock Option (right to buy) | A | 120,000 | $0.00 | 120,000 | D | A |
| 02 Jul, 2024 | Mark C. Schiller | Common Stock | D | 6,688 | $0.58 | 33,007 | D | S |
| 20 Jun, 2024 | Micki Klearman | Stock Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 20 Jun, 2024 | Courtney Wallace | Stock Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 20 Jun, 2024 | Elizabeth Garner | Stock Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 07 Jan, 2024 | Nicholas Michael Mordwinkin | Employee Stock Option (right to buy) | A | 275,000 | $0.00 | 275,000 | D | A |
| 08 Nov, 2023 | Christopher J. Kirk | Employee Stock Option (right to buy) | A | 875,000 | $0.00 | 875,000 | D | A |
| 15 Aug, 2023 | Venture Investments Ltd Morningside | Common Stock | D | 3,500,000 | $0.00 | 1,947,993 | D | G |
| 24 Jul, 2023 | Noreen Henig | Employee Stock Option (right to buy) | D | 300,000 | - | 0 | D | D |