CRSP
CRISPR Therapeutics AG
Buys$53.0M6 txns
Sells$24.9M50 txns
Net$28.1M
Insiders
| Insider | Role | Holdings | Buy $ | Sell $ | Net $ |
|---|
| Simeon George | Unknown | 1,730,179 | $51,499,918 | — | $51,499,918 |
| Samarth Kulkarni | Unknown | 255,501 | — | $17,261,586 | -$17,261,586 |
| Raju Prasad | Unknown | 14,815 | — | $5,348,721 | -$5,348,721 |
| James R. Kasinger | Unknown | 94,308 | — | $1,616,352 | -$1,616,352 |
| Douglas A Treco | Unknown | 22,000 | $1,140,600 | — | $1,140,600 |
| Naimish Patel | Unknown | 19,357 | $49,704 | $503,912 | -$454,209 |
| John Greene | Unknown | 7,000 | $313,948 | — | $313,948 |
| Julianne Bruno | Unknown | 10,544 | — | $147,301 | -$147,301 |
Transaction History
| Date | Insider | Side | Shares | Price | Value | Holdings After | % of Position |
|---|
| 2026-05-29 | Naimish Patel | SELL | 3,786 | $55.62 | $210,577 | 19,357 | 16% |
| 2026-03-23 | James R. Kasinger | SELL | 3,182 | $46.78 | $148,854 | 94,308 | 3% |
| 2026-03-23 | Samarth Kulkarni | SELL | 10,020 | $46.78 | $468,736 | 255,501 | 4% |
| 2026-03-23 | Raju Prasad | SELL | 3,708 | $46.78 | $173,460 | 15,565 | 19% |
| 2026-03-16 | Naimish Patel | SELL | 3,150 | $48.26 | $152,019 | 13,143 | 19% |
| 2026-03-16 | Raju Prasad | SELL | 5,848 | $48.26 | $282,224 | 17,794 | 25% |
| 2026-03-16 | Raju Prasad | SELL | 4,021 | $48.26 | $194,053 | 13,773 | 23% |
| 2026-03-16 | James R. Kasinger | SELL | 3,450 | $48.26 | $166,497 | 91,240 | 4% |
| 2026-03-16 | Samarth Kulkarni | SELL | 10,349 | $48.26 | $499,443 | 245,834 | 4% |
| 2026-03-11 | James R. Kasinger | SELL | 2,800 | $52.80 | $147,840 | 87,815 | 3% |
| 2026-03-11 | Samarth Kulkarni | SELL | 9,798 | $52.80 | $517,334 | 235,558 | 4% |
| 2026-02-19 | Samarth Kulkarni | SELL | 6,967 | $52.58 | $366,325 | 226,106 | 3% |
| 2026-02-19 | James R. Kasinger | SELL | 2,112 | $52.58 | $111,049 | 85,115 | 2% |
| 2026-01-22 | Raju Prasad | SELL | 34,972 | $60.19 | $2,104,965 | 6,767 | 84% |
| 2026-01-22 | Samarth Kulkarni | SELL | 60,000 | $60.23 | $3,613,800 | 134,201 | 31% |
| 2026-01-20 | Samarth Kulkarni | SELL | 21,433 | $51.61 | $1,106,157 | 202,768 | 10% |
| 2026-01-20 | Samarth Kulkarni | SELL | 8,567 | $52.10 | $446,341 | 194,201 | 4% |
| 2026-01-06 | Raju Prasad | SELL | 18,933 | $60.18 | $1,139,386 | 17,534 | 52% |
| 2026-01-06 | Raju Prasad | SELL | 5,004 | $60.00 | $300,240 | 12,530 | 29% |
| 2026-01-06 | Raju Prasad | SELL | 5,763 | $60.21 | $347,010 | 6,767 | 46% |
| 2025-12-22 | Raju Prasad | SELL | 3,528 | $55.10 | $194,401 | 13,239 | 21% |
| 2025-12-22 | Raju Prasad | SELL | 5,472 | $56.33 | $308,262 | 7,767 | 41% |
| 2025-12-22 | Raju Prasad | SELL | 1,000 | $56.89 | $56,886 | 6,767 | 13% |
| 2025-10-17 | Samarth Kulkarni | SELL | 50,895 | $67.91 | $3,456,279 | 254,201 | 17% |
| 2025-10-14 | Samarth Kulkarni | SELL | 4,242 | $66.60 | $282,517 | 205,096 | 2% |
| 2025-10-14 | James R. Kasinger | SELL | 1,076 | $66.60 | $71,662 | 83,402 | 1% |
| 2025-08-18 | Samarth Kulkarni | SELL | 13,081 | $58.15 | $760,660 | 207,004 | 6% |
| 2025-08-06 | Douglas A Treco | BUY | 20,000 | $57.03 | $1,140,600 | 22,000 | 1000% |
| 2025-07-16 | Simeon George | BUY | 6,510 | $52.03 | $338,715 | 69,687 | 10% |
| 2025-07-16 | Simeon George | BUY | 22,319 | $52.03 | $1,161,258 | 238,897 | 10% |
| 2025-07-16 | Simeon George | BUY | 960,983 | $52.03 | $49,999,945 | 1,730,179 | 125% |
| 2025-05-29 | Naimish Patel | SELL | 3,932 | $35.94 | $141,316 | 6,068 | 39% |
| 2025-04-03 | Naimish Patel | BUY | 1,508 | $32.96 | $49,704 | 1,508 | — |
| 2025-03-21 | Samarth Kulkarni | SELL | 10,031 | $41.23 | $413,578 | 195,085 | 5% |
| 2025-03-21 | Julianne Bruno | SELL | 1,714 | $41.23 | $70,668 | 10,544 | 14% |
| 2025-03-21 | Raju Prasad | SELL | 2,197 | $41.23 | $90,582 | 16,767 | 12% |
| 2025-03-21 | James R. Kasinger | SELL | 3,185 | $41.23 | $131,318 | 81,729 | 4% |
| 2025-03-17 | Raju Prasad | SELL | 3,762 | $41.80 | $157,252 | 12,714 | 23% |
| 2025-03-12 | Samarth Kulkarni | SELL | 4,462 | $43.32 | $193,294 | 185,428 | 2% |
| 2025-03-12 | James R. Kasinger | SELL | 1,116 | $43.32 | $48,345 | 78,664 | 1% |
| 2025-03-12 | Julianne Bruno | SELL | 190 | $43.32 | $8,231 | 8,508 | 2% |
| 2025-03-11 | Samarth Kulkarni | SELL | 9,973 | $42.42 | $423,055 | 180,890 | 5% |
| 2025-03-11 | James R. Kasinger | SELL | 2,850 | $42.42 | $120,897 | 77,530 | 4% |
| 2025-03-11 | Julianne Bruno | SELL | 1,198 | $42.42 | $50,819 | 8,263 | 13% |
| 2025-02-26 | John Greene | BUY | 7,000 | $44.85 | $313,948 | 7,000 | — |
| 2025-02-19 | Samarth Kulkarni | SELL | 18,360 | $55.20 | $1,013,564 | 171,613 | 10% |
| 2025-02-19 | Julianne Bruno | SELL | 333 | $52.80 | $17,582 | 7,062 | 4% |
| 2025-02-19 | Samarth Kulkarni | SELL | 6,928 | $52.80 | $365,798 | 189,973 | 4% |
| 2025-02-19 | James R. Kasinger | SELL | 1,947 | $52.80 | $102,802 | 74,880 | 3% |
| 2025-02-18 | Samarth Kulkarni | SELL | 11,640 | $55.05 | $640,782 | 196,901 | 6% |
| 2025-02-18 | James R. Kasinger | SELL | 9,595 | $53.85 | $516,691 | 73,002 | 12% |
| 2024-12-02 | Samarth Kulkarni | SELL | 15,000 | $55.10 | $826,564 | 181,540 | 8% |
| 2024-11-11 | Samarth Kulkarni | SELL | 23,121 | $55.43 | $1,281,597 | 203,419 | 10% |
| 2024-11-11 | Samarth Kulkarni | SELL | 6,879 | $56.27 | $387,081 | 196,540 | 3% |
| 2024-10-14 | James R. Kasinger | SELL | 1,089 | $46.28 | $50,399 | 62,597 | 2% |
| 2024-10-14 | Samarth Kulkarni | SELL | 4,293 | $46.28 | $198,680 | 226,540 | 2% |