According to recent filings covering the 90 days ending February 10, 2026, the three most significant insider holders at CRISPR Therapeutics AG are Director Simeon George (1.73Mn shares), President Rodger Novak (573.01K shares), Director Bradley J Phd Bolzon (148.83K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Simeon George | 1,730,179 | 17 Jul, 2025 | |
| Rodger Novak | President | 573,007 | 01 Jul, 2021 |
| Bradley J Phd Bolzon | 148,831 | 30 Jun, 2021 | |
| Samarth Kulkarni | Chief Executive Officer | 134,201 | 22 Jan, 2026 |
| 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 | 26 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 |
|---|---|---|---|---|---|---|---|---|
| 22 Jan, 2026 | Samarth Kulkarni | Common Shares | D | 60,000 | $60.23 | 134,201 | D | S |
| 22 Jan, 2026 | Raju Prasad | Common Shares | D | 34,972 | $60.19 | 6,767 | D | S |
| 22 Jan, 2026 | Raju Prasad | Common Shares | A | 34,972 | $45.15 | 41,739 | D | M |
| 20 Jan, 2026 | Samarth Kulkarni | Common Shares | D | 8,567 | $52.10 | 194,201 | D | S |
| 20 Jan, 2026 | Samarth Kulkarni | Common Shares | D | 21,433 | $51.61 | 202,768 | 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 | A | 6,339 | $44.31 | 36,467 | 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 |
| 06 Jan, 2026 | Raju Prasad | Common Shares | D | 5,004 | $60.00 | 12,530 | 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 | 1,000 | $56.89 | 6,767 | 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 | James R. Kasinger | Common Shares | D | 1,076 | $66.60 | 83,402 | D | S |
| 14 Oct, 2025 | James R. Kasinger | - | - | 83,402 | D | |||
| 13 Oct, 2025 | Samarth Kulkarni | Common Shares | A | 8,334 | - | 209,338 | D | M |