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 |
| 2024-09-16 Purchase | 2024-09-17 8:23 pm | MBX Biosciences Inc. | MBX | Chang Carmen 10% Owner | 500,000 | $16 | $8,000,000 | 3,614,486 (Indirect) | View |
| 2024-04-22 Purchase | 2024-04-24 5:00 pm | Korro Bio Inc. | KRRO | Chang Carmen 10% Owner | 17,857 | $56 | $999,992 | 1,090,793 (Indirect) | View |
| 2023-07-17 Purchase | 2023-07-19 7:07 pm | Savara Inc | SVRA | Chang Carmen 10% Owner | 333,333 | $3 | $999,999 | 24,471,264 (Indirect) | View |
| 2023-03-15 Sale | 2023-03-17 4:30 pm | Coursera Inc. | COUR | Chang Carmen Director | 1,226 | $11.82 | $14,497 | 2,237,523 (Indirect Direct) | View |
| 2022-05-24 Sale | 2022-05-26 6:21 pm | GENOCEA BIOSCIENCES INC. | GNCA | Chang Carmen 10% Owner | 10,376,936 | $0.07234 | $750,662 | 0 (Indirect) | View |
| 2022-04-11 Purchase | 2022-04-13 5:13 pm | Trevi Therapeutics Inc. | TRVI | Chang Carmen 10% Owner | 3,580,526 | $1.9 | $6,802,999 | 3,948,948 (Indirect) | View |
| 2021-12-10 Sale | 2021-12-27 4:42 pm | Metacrine Inc. | MTCR | Chang Carmen 10% Owner | 497,270 | $0.9944 | $494,483 | 2,563,257 (Indirect) | View |
| 2021-10-18 Purchase | 2021-10-19 9:12 pm | Trevi Therapeutics Inc. | TRVI | Chang Carmen 10% Owner | 1,851,852 | $0 | $0 | 11,493,554 (Indirect) | View |
| 2021-06-28 Purchase | 2021-06-30 9:29 pm | Bright Health Group Inc. | BHG | Chang Carmen 10% Owner | 1,944,444 | $18 | $34,999,992 | 23,983,073 (Indirect) | View |
| 2021-06-28 Purchase | 2021-06-30 6:02 pm | Monte Rosa Therapeutics Inc. | GLUE | Chang Carmen 10% Owner | 1,050,000 | $19 | $19,950,000 | 7,692,298 (Indirect) | View |
| 2021-03-16 Purchase | 2021-03-18 5:12 pm | Marker Therapeutics Inc. | MRKR | Chang Carmen 10% Owner | 5,714,285 | $1.75 | $9,999,999 | 10,714,285 (Indirect) | View |
| 2020-12-04 Purchase | 2020-12-07 5:10 pm | Regulus Therapeutics Inc. | RGLS | Chang Carmen 10% Owner | 4,398,602 | $0.622 | $2,735,930 | 11,949,017 (Indirect) | View |
| 2020-09-18 Purchase | 2020-09-22 5:43 pm | Metacrine Inc. | MTCR | Chang Carmen 10% Owner | 769,230 | $13 | $9,999,990 | 3,060,527 (Indirect) | View |
| 2020-07-24 Purchase | 2020-07-28 5:22 pm | GENOCEA BIOSCIENCES INC. | GNCA | Chang Carmen 10% Owner | 3,151,260 | $2.25 | $7,090,335 | 13,528,196 (Indirect) | View |
| 2020-06-30 Purchase | 2020-07-01 5:30 pm | Akouos Inc. | AKUS | Chang Carmen 10% Owner | 588,235 | $17 | $9,999,995 | 4,294,207 (Indirect) | View |
| 2020-04-03 Sale | 2020-04-13 8:56 pm | Trevi Therapeutics Inc. | TRVI | Chang Carmen 10% Owner | 564 | $2.66 | $1,500 | 5,937,998 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-09-16 Conversion | 2024-09-17 8:23 pm | N/A N/A | MBX Biosciences Inc. | MBX | Chang Carmen 10% Owner | 40,557,180 | $0 | 3,614,486 (Indirect) | View |
Ownership | 2024-09-12 7:26 pm | N/A N/A | MBX Biosciences Inc. | MBX | Chang Carmen 10% Owner | 0 | $0 | 3,114,486 (Indirect) | View |
| 2024-05-22 Option Award | 2024-05-24 6:02 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 18,669 | $0 | 2,272,378 (Direct) | View |
Ownership | 2023-11-07 9:28 pm | N/A N/A | Korro Bio Inc. | KRRO | Chang Carmen 10% Owner | 0 | $0 | 1,072,936 (Indirect) | View |
| 2023-06-13 Other | 2023-06-15 4:29 pm | N/A N/A | Mirum Pharmaceuticals Inc. | MIRM | Chang Carmen 10% Owner | 2,030,135 | $0 | 2,060,270 (Indirect) | View |
| 2023-05-24 Option Award | 2023-05-26 5:35 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 16,186 | $0 | 2,253,709 (Direct) | View |
| 2023-02-15 Other | 2023-02-17 6:56 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 1,226 | $0 | 2,239,975 (Direct) | View |
| 2022-11-30 Equity Swap | 2022-12-02 5:05 pm | N/A N/A | Akouos Inc. | AKUS | Chang Carmen 10% Owner | 4,294,207 | $0 | 0 (Indirect) | View |
| 2022-05-13 Option Award | 2022-05-16 8:11 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 8,655 | $0 | 2,237,523 (Direct) | View |
| 2021-11-01 Option Award | 2021-11-03 9:47 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 22,985 | $0 | 2,228,868 (Direct) | View |
Ownership | 2021-10-12 6:32 pm | N/A N/A | Coursera Inc. | COUR | Chang Carmen Director | 0 | $0 | 2,205,883 (Indirect) | View |
| 2021-06-28 Conversion | 2021-06-30 9:29 pm | N/A N/A | Bright Health Group Inc. | BHG | Chang Carmen 10% Owner | 93,285,104 | $0 | 23,983,073 (Indirect) | View |
| 2021-06-28 Conversion | 2021-06-30 6:02 pm | N/A N/A | Monte Rosa Therapeutics Inc. | GLUE | Chang Carmen 10% Owner | 30,092,935 | $0 | 7,692,298 (Indirect) | View |
Ownership | 2021-06-24 9:24 pm | N/A N/A | Bright Health Group Inc. | BHG | Chang Carmen 10% Owner | 0 | $0 | 69,963,828 (Indirect) | View |
Ownership | 2021-06-23 9:05 pm | N/A N/A | Monte Rosa Therapeutics Inc. | GLUE | Chang Carmen 10% Owner | 0 | $0 | 6,642,298 (Indirect) | View |
Ownership | 2021-03-16 6:30 pm | N/A N/A | Savara Inc | SVRA | Chang Carmen 10% Owner | 0 | $0 | 24,137,931 (Indirect) | View |
| 2020-09-18 Conversion | 2020-09-22 5:43 pm | N/A N/A | Metacrine Inc. | MTCR | Chang Carmen 10% Owner | 2,291,297 | $0 | 3,060,527 (Indirect) | View |
Ownership | 2020-09-15 5:26 pm | N/A N/A | Metacrine Inc. | MTCR | Chang Carmen 10% Owner | 0 | $0 | 2,291,297 (Indirect) | View |
| 2020-06-30 Conversion | 2020-07-01 5:30 pm | N/A N/A | Akouos Inc. | AKUS | Chang Carmen 10% Owner | 3,705,972 | $0 | 4,294,207 (Indirect) | View |
Ownership | 2020-06-25 7:17 pm | N/A N/A | Akouos Inc. | AKUS | Chang Carmen 10% Owner | 0 | $0 | 3,705,972 (Indirect) | View |
| 2020-04-03 Exercise | 2020-04-13 8:56 pm | 2019-05-09 2022-05-06 | Trevi Therapeutics Inc. | TRVI | Chang Carmen 10% Owner | 1,500,000 | $0 | 5,937,998 (Indirect) | View |
| 2020-04-03 Exercise | 2020-04-13 8:56 pm | N/A N/A | Trevi Therapeutics Inc. | TRVI | Chang Carmen 10% Owner | 1,500,000 | $0.001 | 5,937,998 (Indirect) | View |