CRISPR Therapeutics AG's three largest insider shareholders as of June 18, 2026 are Simeon George (Director, 2.04Mn shares), Rodger Novak (President, 573.01K shares), Samarth Kulkarni (Chief Executive Officer, 255.50K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Bradley J Phd Bolzon | - | 0 | 148,831 | 21 Jul, 2021 |
| Michael John Tomsicek | Chief Financial Officer | 1,891 | 0 | 10 Aug, 2021 |
| Simeon George | - | 0 | 2,038,763 | 17 Jul, 2025 |
| John Greene | - | 7,000 | 0 | 28 Feb, 2025 |
| Rodger Novak | President | 573,007 | 0 | 01 Jul, 2021 |
| Samarth Kulkarni | Chief Executive Officer | 255,501 | 0 | 24 Mar, 2026 |
| Douglas A Treco | - | 22,000 | 0 | 08 Aug, 2025 |
| James R. Kasinger | General Counsel And Secretary | 94,308 | 0 | 24 Mar, 2026 |
| Tony W Ho | Executive Vp, Head Of Rd | 52,364 | 0 | 07 Dec, 2021 |
| Brendan Smith | Chief Financial Officer | 5,072 | 0 | 22 Feb, 2023 |
| Phuong Khanh Morrow | Chief Medical Officer | 4,411 | 0 | 25 May, 2023 |
| Raju Prasad | Chief Financial Officer | 15,565 | 0 | 24 Mar, 2026 |
| Julianne Bruno | Chief Operating Officer | 10,544 | 0 | 24 Mar, 2025 |
| Naimish Patel | Chief Medical Officer | 13,143 | 0 | 17 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 | James R. Kasinger | Common Shares | A | 6,250 | - | 97,490 | D | M |
| 20 Mar, 2026 | Naimish Patel | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | James R. Kasinger | Common Shares | A | 6,250 | - | 97,490 | D | M |
| 20 Mar, 2026 | Samarth Kulkarni | Common Shares | A | 19,687 | - | 265,521 | D | M |
| 20 Mar, 2026 | Raju Prasad | Common Shares | A | 6,250 | - | 19,273 | D | M |
| 20 Mar, 2026 | Raju Prasad | Common Shares | A | 6,250 | - | 19,273 | D | M |
| 20 Mar, 2026 | Naimish Patel | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | Naimish Patel | Restricted Stock Units | A | 30,000 | $0.00 | 30,000 | D | A |
| 23 Mar, 2026 | Raju Prasad | Common Shares | D | 3,708 | $46.78 | 15,565 | D | S |
| 23 Mar, 2026 | Raju Prasad | Common Shares | D | 3,708 | $46.78 | 15,565 | D | S |
| 23 Mar, 2026 | James R. Kasinger | Common Shares | D | 3,182 | $46.78 | 94,308 | D | S |
| 20 Mar, 2026 | Naimish Patel | Restricted Stock Units | A | 30,000 | $0.00 | 30,000 | D | A |
| 23 Mar, 2026 | James R. Kasinger | Common Shares | D | 3,182 | $46.78 | 94,308 | D | S |
| 23 Mar, 2026 | Samarth Kulkarni | Common Shares | D | 10,020 | $46.78 | 255,501 | D | S |
| 20 Mar, 2026 | James R. Kasinger | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | Raju Prasad | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | James R. Kasinger | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | Raju Prasad | Stock Option (Right to Buy) | A | 38,499 | $0.00 | 38,499 | D | A |
| 20 Mar, 2026 | Samarth Kulkarni | Stock Option (Right to Buy) | A | 114,249 | $0.00 | 114,249 | D | A |
| 20 Mar, 2026 | Raju Prasad | Restricted Stock Units | A | 27,500 | $0.00 | 27,500 | D | A |