Based on data from the past 90 days ending January 09, 2026, CRISPR Therapeutics AG's three largest insider shareholders are Director Simeon George (1.73Mn shares), President Rodger Novak (573.01K shares), Chief Executive Officer Samarth Kulkarni (224.20K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Simeon George | 1,730,179 | 17 Jul, 2025 | |
| Rodger Novak | President | 573,007 | 01 Jul, 2021 |
| Samarth Kulkarni | Chief Executive Officer | 224,201 | 22 Dec, 2025 |
| Bradley J Phd Bolzon | 148,831 | 30 Jun, 2021 | |
| James R. Kasinger | General Counsel And Secretary | 83,402 | 15 Oct, 2025 |
| Tony W Ho | Executive Vp And Head Of R&D | 52,364 | 07 Dec, 2021 |
| Lawrence Otto Klein | Cbo & Coo | 26,797 | 14 Mar, 2022 |
| Douglas A Treco | 22,000 | 08 Aug, 2025 | |
| Julianne Bruno | Chief Operating Officer | 10,544 | 24 Mar, 2025 |
| John Greene | 7,000 | 28 Feb, 2025 | |
| Raju Prasad | Chief Financial Officer | 6,767 | 08 Jan, 2026 |
| Naimish Patel | Chief Medical Officer | 6,068 | 30 May, 2025 |
| Brendan Smith | Chief Financial Officer | 5,072 | 22 Feb, 2023 |
| Phuong Khanh Morrow | Chief Medical Officer | 4,411 | 25 May, 2023 |
| Michael John Tomsicek | Chief Financial Officer | 1,891 | 10 Aug, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 06 Jan, 2026 | Raju Prasad | Common Shares | A | 6,339 | $44.31 | 36,467 | D | M |
| 06 Jan, 2026 | Raju Prasad | Common Shares | D | 5,004 | $60.00 | 12,530 | D | S |
| 06 Jan, 2026 | Raju Prasad | Common Shares | A | 23,361 | $45.15 | 30,128 | D | M |
| 06 Jan, 2026 | Raju Prasad | Common Shares | D | 5,763 | $60.21 | 6,767 | D | S |
| 06 Jan, 2026 | Raju Prasad | Common Shares | D | 18,933 | $60.18 | 17,534 | D | S |
| 22 Dec, 2025 | Raju Prasad | Common Shares | D | 1,000 | $56.89 | 6,767 | D | S |
| 22 Dec, 2025 | Raju Prasad | Common Shares | D | 5,472 | $56.33 | 7,767 | D | S |
| 22 Dec, 2025 | Raju Prasad | Common Shares | D | 3,528 | $55.10 | 13,239 | D | S |
| 18 Dec, 2025 | Samarth Kulkarni | Common Shares | D | 30,000 | $0.00 | 224,201 | D | G |
| 17 Oct, 2025 | Samarth Kulkarni | Common Shares | D | 50,895 | $67.91 | 254,201 | D | S |
| 16 Oct, 2025 | Samarth Kulkarni | Common Shares | A | 100,000 | - | 305,096 | D | M |
| 14 Oct, 2025 | Samarth Kulkarni | Common Shares | D | 4,242 | $66.60 | 205,096 | D | S |
| 14 Oct, 2025 | Samarth Kulkarni | - | - | 205,096 | D | |||
| 14 Oct, 2025 | James R. Kasinger | Common Shares | D | 1,076 | $66.60 | 83,402 | D | S |
| 13 Oct, 2025 | Samarth Kulkarni | - | - | 209,338 | D | |||
| 13 Oct, 2025 | Samarth Kulkarni | Common Shares | A | 8,334 | - | 209,338 | D | M |
| 13 Oct, 2025 | James R. Kasinger | Common Shares | A | 2,114 | - | 84,478 | D | M |
| 17 Sep, 2025 | Samarth Kulkarni | Common Shares | D | 6,000 | $0.00 | 201,004 | D | G |
| 18 Aug, 2025 | Samarth Kulkarni | Common Shares | D | 13,081 | $58.15 | 207,004 | D | S |
| 16 Aug, 2025 | Samarth Kulkarni | Common Shares | A | 25,000 | - | 220,085 | D | M |