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 |
2020-12-16 Sale |
2020-12-18 3:59 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
169,900 | $66.29 | $11,262,796 | 741,305 (Indirect Direct) |
View |
2020-12-11 Sale |
2020-12-14 1:58 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
24,659 | $59.75 | $1,473,402 | 911,205 (Indirect Direct) |
View |
2020-12-09 Sale |
2020-12-11 5:59 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
78,265 | $58.35 | $4,566,409 | 935,864 (Indirect Direct) |
View |
2020-12-07 Sale |
2020-12-09 5:24 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
47,176 | $56.2 | $2,651,169 | 1,014,129 (Indirect Direct) |
View |
2020-10-12 Sale |
2020-10-14 7:11 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
50,000 | $54.76 | $2,738,086 | 1,061,305 (Indirect Direct) |
View |
2020-09-09 Sale |
2020-09-11 4:06 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
5,994 | $50.06 | $300,039 | 1,111,305 (Indirect Direct) |
View |
2020-09-04 Sale |
2020-09-09 4:08 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
131,103 | $47.66 | $6,247,758 | 1,117,299 (Indirect Direct) |
View |
2020-09-02 Sale |
2020-09-04 4:05 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
37,565 | $46.01 | $1,728,432 | 1,248,402 (Indirect Direct) |
View |
2020-08-31 Sale |
2020-09-02 5:45 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
48,538 | $45.94 | $2,229,742 | 1,285,967 (Indirect Direct) |
View |
2020-08-27 Sale |
2020-08-31 4:05 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
71,940 | $46.03 | $3,311,481 | 1,334,505 (Indirect Direct) |
View |
2020-08-25 Sale |
2020-08-27 4:04 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
22,597 | $45.89 | $1,036,938 | 1,406,445 (Indirect Direct) |
View |
2020-08-21 Sale |
2020-08-25 4:11 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
14,894 | $45.88 | $683,334 | 1,429,042 (Indirect Direct) |
View |
2020-08-19 Sale |
2020-08-21 4:06 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
17,369 | $45.84 | $796,194 | 1,443,936 (Indirect Direct) |
View |
2020-07-09 Sale |
2020-07-13 4:05 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
62,990 | $43.54 | $2,742,306 | 1,461,305 (Indirect Direct) |
View |
2020-06-24 Sale |
2020-06-26 4:13 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
100 | $43.11 | $4,311 | 1,524,295 (Indirect Direct) |
View |
2020-06-19 Sale |
2020-06-23 8:18 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
52,689 | $43.2 | $2,276,407 | 1,524,395 (Indirect Direct) |
View |
2020-06-17 Sale |
2020-06-19 4:07 pm |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
73,944 | $41.71 | $3,083,987 | 1,577,084 (Indirect 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 |
2021-03-18 Exercise |
2021-03-22 4:04 pm |
N/A 2029-07-23 |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
12,229 | $0 | 772,200 (Direct) |
View |
2021-03-18 Exercise |
2021-03-22 4:04 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Cook Joseph C. III Director |
12,229 | $16 | 772,200 (Direct) |
View |