SEC Form 4 · Updated Daily
CRSP
— CRISPR Therapeutics Ltd OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BAYER AKTIENGESELLSCHAFT | 10%+ Owner | 5,632,802 | 2018-01-05 | P |
| Bayer Global Investments B.V. | 10%+ Owner | 5,632,802 | 2018-01-05 | P |
| VERTEX PHARMACEUTICALS INC / MA | 10%+ Owner | 5,380,940 | 2018-12-27 | P |
| Vertex Pharmaceuticals (Europe) Ltd | 10%+ Owner | 5,380,940 | 2018-12-27 | P |
| CELGENE CORP /DE/ | 10%+ Owner | 4,812,221 | 2017-11-03 | S |
| GLAXOSMITHKLINE PLC | 10%+ Owner | 3,220,627 | 2016-10-24 | P |
| Versant Ventures V (Canada), L.P. | 10%+ Owner | 2,736,032 | 2017-09-05 | J |
| Versant Venture Capital IV, L.P. | 10%+ Owner | 2,238,979 | 2018-04-20 | J |
| Versant Ventures IV, LLC | 10%+ Owner | 2,238,979 | 2018-04-20 | J |
| Versant Side Fund IV, L.P. | 10%+ Owner | 2,238,979 | 2018-04-20 | J |
| Versant Ventures V, LLC | 10%+ Owner | 1,519,505 | 2018-04-24 | S |
| Versant Venture Capital V (Canada), LP | 10%+ Owner | 1,519,505 | 2018-04-24 | S |
| Versant Affiliates Fund V, L.P. | 10%+ Owner | 1,519,505 | 2018-04-24 | S |
| Versant Ophthalmic Affiliates I, L.P. | 10%+ Owner | 1,519,505 | 2018-04-24 | S |
| Versant Venture Capital V, L.P. | 10%+ Owner | 1,519,505 | 2018-04-24 | S |
| EMSTER KURT VON | 10%+ Owner | 1,171,268 | 2018-12-18 | S |
| Hadley Harbor Master Investors (Cayman) L.P. | 10%+ Owner | 744,380 | 2016-10-24 | C |
| Woiwode Thomas | Director | 641,014 | 2018-05-15 | S |
| Novak Rodger | Director · Officer | 573,007 | 2021-06-30 | S |
| Lundberg Sven Ante | Officer | 505,617 | 2016-10-24 | P |
| Kulkarni Samarth | Director · Officer | 359,736 | 2026-10-16 | M |
| Bolzon Bradley J PhD | Director | 155,327 | 2021-07-19 | S |
| KASINGER JAMES R. | Officer | 96,897 | 2026-10-13 | M |
| COLES N ANTHONY | Director | 70,000 | 2016-10-24 | A |
| Ho Tony W | Officer | 64,971 | 2021-12-03 | M |
| Dylan-Hyde Tyler | Officer | 45,094 | 2018-01-16 | M |
| Behbahani Ali | Director | 30,316 | 2026-09-17 | M |
| George Simeon | Director | 30,000 | 2026-10-14 | M |
| Klein Lawrence Otto | Officer | 28,026 | 2022-03-11 | M |
| TOMSICEK MICHAEL JOHN | Officer | 26,891 | 2021-08-06 | M |
| Patel Naimish | Officer | 23,143 | 2026-05-28 | M |
| Treco Douglas A | Director | 22,000 | 2025-08-06 | P |
| Prasad Raju | Officer | 14,815 | 2026-08-07 | G |
| Bruno Julianne | Officer | 12,258 | 2025-03-20 | M |
| CAGNONI PABLO J | Officer | 7,500 | 2019-11-19 | M |
| Greene John | Director | 7,000 | 2025-02-26 | P |
| Morrow Phuong Khanh | Director | 6,938 | 2023-05-23 | M |
| Smith Brendan | Officer | 6,464 | 2023-02-18 | M |
| Morrison Briggs | Director | 5,209 | 2025-06-05 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-19 | Silver Andrew Jacob | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2026-10-19 | Kulkarni Samarth | Open-market sale | 47,837 | $49.78 | 311,899 |
| 2026-10-16 | Kulkarni Samarth | Option exercise (derivative) | 100,000 | — | 200,000 |
| 2026-10-16 | Kulkarni Samarth | Option exercise | 100,000 | — | 359,736 |
| 2026-10-14 | George Simeon | Option exercise (derivative) | 30,000 | $0.00 | 0 |
| 2026-10-14 | George Simeon | Open-market sale | 14,514 | $49.63 | 15,486 |
| 2026-10-14 | George Simeon | Option exercise | 30,000 | $14.00 | 30,000 |
| 2026-10-14 | Kulkarni Samarth | Open-market sale | 4,098 | $49.26 | 259,736 |
| 2026-10-14 | KASINGER JAMES R. | Open-market sale | 1,040 | $49.26 | 95,857 |
| 2026-10-13 | Kulkarni Samarth | Option exercise (derivative) | 8,333 | — | 0 |
| 2026-10-13 | Kulkarni Samarth | Option exercise | 8,333 | — | 263,834 |
| 2026-10-13 | KASINGER JAMES R. | Option exercise (derivative) | 2,113 | — | 0 |
| 2026-10-13 | KASINGER JAMES R. | Option exercise | 2,113 | — | 96,897 |
| 2026-10-06 | KASINGER JAMES R. | Option exercise (derivative) | 1,990 | $0.00 | 81,242 |
| 2026-10-06 | KASINGER JAMES R. | Open-market sale | 1,990 | $60.04 | 94,784 |
| 2026-10-06 | KASINGER JAMES R. | Option exercise | 1,990 | $13.62 | 96,774 |
| 2026-09-22 | KASINGER JAMES R. | Option exercise (derivative) | 10,400 | $0.00 | 83,232 |
| 2026-09-22 | KASINGER JAMES R. | Open-market sale | 10,400 | $60.24 | 94,784 |
| 2026-09-22 | KASINGER JAMES R. | Option exercise | 10,400 | $13.62 | 105,184 |
| 2026-09-17 | Behbahani Ali | Option exercise (derivative) | 30,000 | $0.00 | 0 |
| 2026-09-17 | Behbahani Ali | Open-market sale | 13,679 | $57.09 | 16,637 |
| 2026-09-17 | Behbahani Ali | Option exercise | 30,000 | $14.00 | 30,316 |
| 2026-08-07 | Prasad Raju | Gift | 750 | $0.00 | 14,815 |
| 2026-06-05 | Treco Douglas A | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Rommel Christian | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Morrison Briggs | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Mahatme Sandesh | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | High Katherine A | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Greene John | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Fleming Harold Edward | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Fardis Maria | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | Behbahani Ali | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-06-05 | George Simeon | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2026-05-29 | Patel Naimish | Open-market sale | 3,786 | $55.62 | 19,357 |
| 2026-05-29 | Prasad Raju | Grant / award (derivative) | 19,500 | $0.00 | 19,500 |
| 2026-05-29 | Patel Naimish | Grant / award (derivative) | 22,000 | $0.00 | 22,000 |
| 2026-05-29 | KASINGER JAMES R. | Grant / award (derivative) | 17,000 | $0.00 | 17,000 |
| 2026-05-28 | Patel Naimish | Option exercise (derivative) | 10,000 | — | 20,000 |
| 2026-05-28 | Patel Naimish | Option exercise | 10,000 | — | 23,143 |
| 2026-03-23 | Prasad Raju | Open-market sale | 3,708 | $46.78 | 15,565 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.