As of March 23, 2026, Curis's top three insider holders are James E Dentzer (President Ceo, 64.88K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| James E Dentzer | President Ceo | 148,730 | 0 | 23 Mar, 2026 |
| Diantha Duvall | Cfo | 77,707 | 0 | 23 Mar, 2026 |
| Ahmed Md Hamdy | Cmo | 66,667 | 0 | 23 Mar, 2026 |
| Jonathan B. Zung | Cdo | 66,667 | 0 | 23 Mar, 2026 |
| Marc Rubin | 28,108 | 0 | 23 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Mar, 2026 | Ahmed Md Hamdy | Common Stock | A | 66,667 | - | 66,667 | D | C |
| 20 Mar, 2026 | Jonathan B. Zung | Common Stock | A | 66,667 | - | 66,667 | D | C |
| 20 Mar, 2026 | James E Dentzer | Common Stock | A | 133,333 | - | 148,730 | D | C |
| 20 Mar, 2026 | Diantha Duvall | Common Stock | A | 66,666 | - | 77,707 | D | C |
| 20 Mar, 2026 | Marc Rubin | Common Stock | A | 26,667 | - | 28,108 | D | C |
| 20 Mar, 2026 | Ahmed Md Hamdy | Series B Convertible Preferred Stock | D | 50 | - | 0 | D | C |
| 20 Mar, 2026 | Jonathan B. Zung | Series B Convertible Preferred Stock | D | 50 | - | 0 | D | C |
| 20 Mar, 2026 | Diantha Duvall | Series B Convertible Preferred Stock | D | 50 | - | 0 | D | C |
| 20 Mar, 2026 | James E Dentzer | Series B Convertible Preferred Stock | D | 100 | - | 0 | D | C |
| 20 Mar, 2026 | Marc Rubin | Series B Convertible Preferred Stock | D | 20 | - | 0 | D | C |
| 17 Mar, 2026 | James E Dentzer | Series B Convertible Preferred Stock | A | 100 | - | 100 | D | A |
| 17 Mar, 2026 | Diantha Duvall | Series B Convertible Preferred Stock | A | 50 | - | 50 | D | A |
| 17 Mar, 2026 | Jonathan B. Zung | Series B Convertible Preferred Stock | A | 50 | - | 50 | D | A |
| 17 Mar, 2026 | Ahmed Md Hamdy | Series B Convertible Preferred Stock | A | 50 | - | 50 | D | A |
| 17 Mar, 2026 | Marc Rubin | Series B Convertible Preferred Stock | A | 20 | - | 20 | D | A |
| 17 Mar, 2026 | Diantha Duvall | Series A Warrant (right to buy) | A | 66,666 | - | 66,666 | D | A |
| 17 Mar, 2026 | Marc Rubin | Series A Warrant (right to buy) | A | 26,667 | - | 26,667 | D | A |
| 17 Mar, 2026 | Ahmed Md Hamdy | Series A Warrant (right to buy) | A | 66,667 | - | 66,667 | D | A |
| 17 Mar, 2026 | Jonathan B. Zung | Series A Warrant (right to buy) | A | 66,667 | - | 66,667 | D | A |
| 17 Mar, 2026 | James E Dentzer | Series A Warrant (right to buy) | A | 133,333 | - | 133,333 | D | A |