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 |
2021-08-30 Sale |
2021-09-01 4:35 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
63,673 | $108.84 | $6,930,250 | 996,422 (Direct) |
View |
2021-08-02 Sale |
2021-08-04 4:30 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $120.49 | $240,971 | 976,734 (Direct) |
View |
2021-07-12 Sale |
2021-07-14 4:30 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $125.85 | $251,703 | 979,678 (Direct) |
View |
2021-06-14 Sale |
2021-06-16 5:20 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $113.36 | $226,719 | 982,308 (Direct) |
View |
2021-05-12 Sale |
2021-05-13 4:30 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $94.27 | $188,541 | 987,211 (Direct) |
View |
2021-04-12 Sale |
2021-04-15 06:49 am |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $128.71 | $257,414 | 990,165 (Direct) |
View |
2021-03-12 Sale |
2021-03-16 5:35 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $139.72 | $279,435 | 992,878 (Direct) |
View |
2021-02-12 Sale |
2021-02-17 4:53 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $167.64 | $335,278 | 1,042,510 (Direct) |
View |
2021-02-09 Sale |
2021-02-11 4:38 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
75,000 | $176.53 | $13,239,753 | 1,044,510 (Indirect Direct) |
View |
2021-01-19 Sale |
2021-01-21 4:30 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
25,000 | $202.27 | $5,056,768 | 396,196 (Direct) |
View |
2021-01-14 Sale |
2021-01-19 5:02 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
10,000 | $184.34 | $1,843,356 | 421,196 (Direct) |
View |
2021-01-12 Sale |
2021-01-14 4:30 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,000 | $166.88 | $333,751 | 431,196 (Direct) |
View |
2020-12-23 Sale |
2020-12-28 8:00 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
5,000 | $169.31 | $846,531 | 529,658 (Direct) |
View |
2020-12-22 Sale |
2020-12-23 4:33 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
5,000 | $160.12 | $800,583 | 433,659 (Direct) |
View |
2020-12-18 Sale |
2020-12-22 5:31 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
12,000 | $149.44 | $1,793,308 | 438,659 (Direct) |
View |
2020-12-15 Sale |
2020-12-17 7:26 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
70,000 | $134.24 | $9,396,516 | 450,659 (Direct) |
View |
2020-09-04 Sale |
2020-09-09 6:04 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
100,000 | $62.98 | $6,298,310 | 607,698 (Direct) |
View |
2020-08-07 Sale |
2020-08-11 4:26 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
14,000 | $69.98 | $979,786 | 689,055 (Direct) |
View |
2020-07-21 Sale |
2020-07-22 5:48 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
15,000 | $59.33 | $889,967 | 703,055 (Direct) |
View |
2020-07-07 Sale |
2020-07-10 06:44 am |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
20,000 | $50.35 | $1,006,989 | 718,055 (Direct) |
View |
2020-06-01 Sale |
2020-06-03 5:03 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
24,500 | $39.14 | $958,888 | 738,055 (Direct) |
View |
2020-05-22 Sale |
2020-05-27 6:26 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
25,106 | $39.18 | $983,750 | 762,555 (Direct) |
View |
2020-05-20 Sale |
2020-05-22 9:07 pm |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
55,394 | $39.69 | $2,198,664 | 787,661 (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 |
2021-08-30 Exercise |
2021-09-01 4:35 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
11,086 | $5.95 | 996,422 (Direct) |
View |
2021-08-31 Exercise |
2021-09-01 4:35 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
28,455 | $8.82 | 996,422 (Direct) |
View |
2021-08-30 Exercise |
2021-09-01 4:35 pm |
N/A 2025-09-28 |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
39,541 | $0 | 996,422 (Direct) |
View |
2021-08-20 Tax Withholding |
2021-08-24 4:31 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,870 | $100.49 | 973,926 (Direct) |
View |
2021-07-23 Tax Withholding |
2021-07-27 5:01 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
944 | $117.34 | 978,734 (Direct) |
View |
2021-07-22 Option Award |
2021-07-26 6:48 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Leproust Emily M. Director |
166,666 | $11.5 | 191,666 (Direct) |
View |
2021-07-22 Conversion |
2021-07-26 6:48 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Leproust Emily M. Director |
25,000 | $0 | 191,666 (Direct) |
View |
2021-07-01 Tax Withholding |
2021-07-06 7:33 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
630 | $131.48 | 981,678 (Direct) |
View |
2021-05-20 Tax Withholding |
2021-05-24 5:15 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
2,903 | $97.75 | 984,308 (Direct) |
View |
2021-04-23 Tax Withholding |
2021-04-27 5:25 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
954 | $133.12 | 989,211 (Direct) |
View |
2021-04-01 Tax Withholding |
2021-04-07 10:50 am |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
713 | $122.2 | 992,165 (Direct) |
View |
2021-04-01 Tax Withholding |
2021-04-05 6:34 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
713 | $122.2 | 992,165 (Direct) |
View |
2021-02-25 Gift |
2021-03-16 5:35 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
25,000 | $0 | 992,878 (Direct) |
View |
2021-02-19 Tax Withholding |
2021-02-23 6:56 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
3,007 | $150.81 | 1,039,878 (Direct) |
View |
2021-01-20 Gift |
2021-02-11 4:38 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
75,000 | $0 | 1,044,510 (Indirect) |
View |
2021-01-20 Gift |
2021-02-11 4:38 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
75,000 | $207.97 | 1,044,510 (Direct) |
View |
2021-01-22 Tax Withholding |
2021-01-26 5:48 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
1,008 | $190.64 | 395,188 (Direct) |
View |
2021-01-04 Tax Withholding |
2021-01-05 5:54 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
763 | $141.29 | 433,196 (Direct) |
View |
2020-12-24 Exercise |
2020-12-28 8:00 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
5,300 | $5.95 | 529,658 (Direct) |
View |
2020-12-24 Exercise |
2020-12-28 8:00 pm |
N/A 2025-09-28 |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
5,300 | $0 | 529,658 (Direct) |
View |
2020-11-20 Tax Withholding |
2020-11-24 5:55 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
3,007 | $115.56 | 520,659 (Direct) |
View |
2020-10-24 Tax Withholding |
2020-10-27 4:47 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
4,032 | $85.97 | 523,666 (Direct) |
View |
2020-09-21 Gift |
2020-10-27 4:47 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
40,000 | $0 | 523,666 (Direct) |
View |
2020-09-01 Option Award |
2020-09-03 8:36 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
21,650 | $0 | 707,698 (Direct) |
View |
Ownership |
2020-09-01 3:36 pm |
N/A N/A |
CM Life Sciences Inc. | CMLF | Leproust Emily M. Director |
0 | $0 | 25,000 (Direct) |
View |
2020-08-20 Tax Withholding |
2020-08-24 5:41 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
3,007 | $67.28 | 686,048 (Direct) |
View |
2020-05-20 Tax Withholding |
2020-05-22 9:07 pm |
N/A N/A |
Twist Bioscience Corp | TWST | Leproust Emily M. President & CEO |
3,007 | $39.76 | 787,661 (Direct) |
View |