Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2021-03-23 Sale |
2021-03-25 5:39 pm |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
100,000 | $128.05 | $12,805,240 | 122,716 (Direct) |
View |
2021-01-15 Sale |
2021-01-20 6:07 pm |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
25,000 | $215.2 | $5,379,940 | 34,666 (Direct) |
View |
2020-06-24 Sale |
2020-06-26 4:33 pm |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
70,000 | $75.88 | $5,311,564 | 42,244 (Direct) |
View |
2020-05-11 Sale |
2020-05-13 4:38 pm |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
25,000 | $60.4 | $1,509,971 | 58,666 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-01-22 Option Award |
2025-01-24 4:41 pm |
N/A 2035-01-21 |
Oruka Therapeutics Inc. | ORKA | Klein Lawrence Otto Chief Executive Officer |
230,000 | $0 | 230,000 (Direct) |
View |
Ownership |
2024-09-06 5:00 pm |
N/A N/A |
Oruka Therapeutics Inc. | ORKA | Klein Lawrence Otto President and CEO |
0 | $0 | 2,480,851 (Direct) |
View |
2023-06-07 Option Award |
2023-06-08 6:44 pm |
2024-06-07 2033-06-07 |
Jasper Therapeutics Inc. | JSPR | Klein Lawrence Otto Director |
47,000 | $0 | 47,000 (Direct) |
View |
2022-10-12 Option Award |
2022-10-13 8:07 pm |
N/A N/A |
Jasper Therapeutics Inc. | JSPR | Klein Lawrence Otto Director |
24,500 | $0 | 24,500 (Direct) |
View |
2022-08-16 Option Award |
2022-08-18 5:36 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
12,500 | $0 | 12,500 (Direct) |
View |
2022-07-05 Option Award |
2022-07-06 6:20 pm |
N/A 2030-07-30 |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
7,222 | $0 | 7,222 (Direct) |
View |
2022-06-03 Option Award |
2022-06-06 4:07 pm |
N/A 2032-06-02 |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
19,596 | $0 | 19,596 (Direct) |
View |
2022-03-21 Option Award |
2022-03-23 6:05 pm |
N/A 2032-03-21 |
Jasper Therapeutics Inc. | JSPR | Klein Lawrence Otto Director |
78,045 | $0 | 78,045 (Direct) |
View |
2022-03-11 Tax Withholding |
2022-03-14 6:03 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
1,883 | $62.56 | 40,380 (Direct) |
View |
2022-03-14 Tax Withholding |
2022-03-14 6:03 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
1,229 | $61.08 | 40,380 (Direct) |
View |
2022-03-10 Exercise |
2022-03-14 6:03 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
7,584 | $0 | 40,380 (Direct) |
View |
2022-02-18 Option Award |
2022-02-22 5:41 pm |
N/A 2032-02-18 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
66,600 | $0 | 66,600 (Direct) |
View |
2021-12-06 Tax Withholding |
2021-12-07 8:00 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
11,185 | $69.17 | 35,658 (Direct) |
View |
2021-12-03 Exercise |
2021-12-07 8:00 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
26,667 | $0 | 35,658 (Direct) |
View |
2021-10-15 Option Award |
2021-10-18 8:00 pm |
N/A 2031-10-15 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
13,800 | $0 | 13,800 (Direct) |
View |
2021-09-13 Tax Withholding |
2021-09-14 9:44 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
4,207 | $117.86 | 6,843 (Direct) |
View |
2021-09-10 Tax Withholding |
2021-09-14 9:44 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
10,000 | $0 | 6,843 (Direct) |
View |
2021-09-10 Exercise |
2021-09-14 9:44 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
10,000 | $0 | 6,843 (Direct) |
View |
2021-05-26 Option Award |
2021-05-27 8:38 pm |
N/A 2031-05-25 |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
19,596 | $0 | 19,596 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
12,000 | $14.43 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
12,000 | $17.66 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
22,000 | $51.49 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
20,000 | $40.87 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
12,000 | $44.67 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
10,000 | $29.87 | 122,716 (Direct) |
View |
2021-03-23 Exercise |
2021-03-25 5:39 pm |
N/A 2027-06-14 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
88,000 | $0 | 122,716 (Direct) |
View |
2021-03-11 Option Award |
2021-03-12 5:47 pm |
N/A 2031-03-11 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
45,334 | $0 | 58,384 (Direct) |
View |
2021-03-10 Tax Withholding |
2021-03-12 5:47 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
2,141 | $124.15 | 58,384 (Direct) |
View |
2021-03-10 Exercise |
2021-03-12 5:47 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
4,583 | $0 | 58,384 (Direct) |
View |
2021-01-15 Exercise(A) |
2021-03-12 5:37 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
16,334 | $14.43 | 37,550 (Direct) |
View |
2021-01-15 Exercise |
2021-01-20 6:07 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
16,344 | $14.43 | 34,666 (Direct) |
View |
2021-01-15 Exercise |
2021-01-20 6:07 pm |
N/A 2026-07-14 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
25,000 | $0 | 34,666 (Direct) |
View |
2021-01-15 Exercise |
2021-01-20 6:07 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
8,666 | $12.57 | 34,666 (Direct) |
View |
2021-01-02 Tax Withholding |
2021-01-04 4:12 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
9,392 | $153.11 | 10,608 (Direct) |
View |
2020-10-05 Option Award |
2020-10-06 5:38 pm |
N/A 2030-10-05 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
16,666 | $0 | 16,666 (Direct) |
View |
2020-07-31 Option Award |
2020-09-23 7:04 pm |
N/A 2030-07-30 |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
25,600 | $0 | 71,899 (Direct) |
View |
2020-09-21 Conversion |
2020-09-23 7:04 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
46,299 | $0 | 71,899 (Direct) |
View |
Ownership |
2020-09-16 8:43 pm |
N/A 2029-09-05 |
Dyne Therapeutics Inc. | DYN | Klein Lawrence Otto Director |
0 | $0 | 69,133 (Direct) |
View |
2020-06-24 Exercise |
2020-06-26 4:33 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
38,666 | $5.86 | 42,244 (Direct) |
View |
2020-06-24 Exercise |
2020-06-26 4:33 pm |
N/A 2026-03-01 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
70,000 | $0 | 42,244 (Direct) |
View |
2020-06-24 Exercise |
2020-06-26 4:33 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
31,334 | $12.57 | 42,244 (Direct) |
View |
2020-05-11 Exercise |
2020-05-13 4:38 pm |
N/A N/A |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
25,000 | $5.86 | 58,666 (Direct) |
View |
2020-05-11 Exercise |
2020-05-13 4:38 pm |
N/A 2026-03-01 |
CRISPR Therapeutics AG | CRSP | Klein Lawrence Otto CBO & COO |
25,000 | $0 | 58,666 (Direct) |
View |