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 |
| 2023-09-15 Purchase | 2023-09-19 4:49 pm | Ambrx Biopharma Inc. | AMAM | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP 10% Owner | 2,152,738 | $9.1166 | $19,625,601 | 69,465,823 (Indirect) | View |
| 2023-04-18 Purchase | 2023-04-20 6:04 pm | Ambrx Biopharma Inc. | AMAM | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP 10% Owner | 5,215,189 | $11.3 | $58,950,690 | 67,313,085 (Indirect) | View |
| 2023-04-13 Purchase | 2023-04-17 5:46 pm | Ambrx Biopharma Inc. | AMAM | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP 10% Owner | 2,597,896 | $9.7461 | $25,319,289 | 62,097,896 (Indirect) | View |
| 2023-03-14 Purchase | 2023-03-16 6:04 pm | Ambrx Biopharma Inc. | AMAM | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP 10% Owner | 1,000,000 | $10.21 | $10,211,400 | 53,500,000 (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 |
| 2023-09-01 Option Award | 2023-09-06 5:52 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | DALESANDRO MARGARET Director | 195,833 | $0 | 70,833 (Direct) | View |
| 2023-07-05 Option Award | 2023-07-07 4:06 pm | N/A 2033-07-05 | Ambrx Biopharma Inc. | AMAM | O'Connor Daniel J. President and CEO | 1,216,500 | $0 | 1,216,500 (Direct) | View |
| 2023-07-05 Option Award | 2023-07-07 4:05 pm | N/A 2033-07-05 | Ambrx Biopharma Inc. | AMAM | Nelson Sonja Chief Financial Officer | 389,000 | $0 | 389,000 (Direct) | View |
| 2023-07-05 Option Award | 2023-07-07 4:05 pm | N/A 2033-07-05 | Ambrx Biopharma Inc. | AMAM | Aromando Andrew Chief Operating Officer | 389,000 | $0 | 389,000 (Direct) | View |
| 2023-06-07 Option Award | 2023-06-09 4:17 pm | N/A 2033-06-07 | Ambrx Biopharma Inc. | AMAM | Glover Stephen C. Director | 142,500 | $0 | 142,500 (Direct) | View |
| 2023-06-07 Option Award | 2023-06-09 4:11 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Chang Xiaowei Director | 210,000 | $0 | 210,000 (Direct) | View |
| 2023-06-07 Option Award | 2023-06-09 4:05 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Loesberg Janet Director | 85,000 | $0 | 85,000 (Direct) | View |
| 2023-06-07 Option Award | 2023-06-09 4:05 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | MAIER PAUL V Director | 85,000 | $0 | 85,000 (Direct) | View |
| 2023-06-07 Option Award | 2023-06-09 4:05 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Hermans Kate Director | 85,000 | $0 | 85,000 (Direct) | View |
| 2023-05-18 Option Award | 2023-05-26 8:20 pm | N/A 2033-05-18 | Ambrx Biopharma Inc. | AMAM | Glover Stephen C. Director | 210,000 | $0 | 210,000 (Direct) | View |
| 2023-04-28 Option Award | 2023-05-05 4:10 pm | N/A 2033-04-28 | Ambrx Biopharma Inc. | AMAM | Aromando Andrew Chief Operating Officer | 2,600,000 | $0 | 2,600,000 (Direct) | View |
| 2023-04-26 Option Award | 2023-04-28 6:00 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Nelson Sonja Chief Fin. & Operating Officer | 1,000,000 | $0 | 1,000,000 (Direct) | View |
| 2023-04-26 Option Award | 2023-04-28 5:59 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | O'Connor Daniel J. President and CEO | 2,750,000 | $0 | 2,750,000 (Direct) | View |
Ownership | 2023-03-13 4:01 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Cormorant Asset Management LP Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP Chen Bihua 10% Owner | 0 | $0 | 52,500,000 (Indirect) | View |
Ownership | 2023-03-08 10:50 am | N/A N/A | Ambrx Biopharma Inc. | AMAM | Darwin Global Management Ltd. 10% Owner | 0 | $0 | 53,091,423 (Indirect) | View |
Ownership | 2023-03-03 4:05 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | COMMODORE CAPITAL LP 10% Owner | 0 | $0 | 35,700,000 (Indirect) | View |
| 2023-01-27 Disposition | 2023-01-31 6:18 pm | N/A 2031-04-29 | Ambrx Biopharma Inc. | AMAM | Rupalla Katrin Director | 305,000 | $0 | 305,000 (Direct) | View |
| 2023-01-27 Option Award | 2023-01-31 6:18 pm | N/A 2031-04-29 | Ambrx Biopharma Inc. | AMAM | Rupalla Katrin Director | 305,000 | $0 | 305,000 (Direct) | View |
| 2023-01-27 Disposition | 2023-01-31 6:16 pm | N/A 2031-09-01 | Ambrx Biopharma Inc. | AMAM | Nelson Sonja Chief Fin. & Operating Officer | 3,849,596 | $0 | 3,849,596 (Direct) | View |
| 2023-01-27 Option Award | 2023-01-31 6:16 pm | N/A 2031-09-01 | Ambrx Biopharma Inc. | AMAM | Nelson Sonja Chief Fin. & Operating Officer | 3,849,596 | $0 | 3,849,596 (Direct) | View |
| 2023-01-27 Disposition | 2023-01-31 6:14 pm | N/A 2032-02-01 | Ambrx Biopharma Inc. | AMAM | MAIER PAUL V Director | 315,000 | $0 | 315,000 (Direct) | View |
| 2023-01-27 Option Award | 2023-01-31 6:14 pm | N/A 2032-02-01 | Ambrx Biopharma Inc. | AMAM | MAIER PAUL V Director | 315,000 | $0 | 315,000 (Direct) | View |
| 2023-01-27 Disposition | 2023-01-31 6:09 pm | N/A 2032-05-31 | Ambrx Biopharma Inc. | AMAM | Loesberg Janet Director | 315,000 | $0 | 315,000 (Direct) | View |
| 2023-01-27 Option Award | 2023-01-31 6:09 pm | N/A 2032-05-31 | Ambrx Biopharma Inc. | AMAM | Loesberg Janet Director | 315,000 | $0 | 315,000 (Direct) | View |
| 2023-01-27 Disposition | 2023-01-31 6:07 pm | N/A 2032-06-29 | Ambrx Biopharma Inc. | AMAM | Hermans Kate Director | 525,000 | $0 | 525,000 (Direct) | View |
| 2023-01-27 Option Award | 2023-01-31 6:07 pm | N/A 2032-06-29 | Ambrx Biopharma Inc. | AMAM | Hermans Kate Director | 525,000 | $0 | 525,000 (Direct) | View |
Ownership | 2023-01-09 6:34 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | WuXi AppTec Co. Ltd. WuXi PharmaTech Healthcare Fund I L.P. WuXi AppTec (Hong Kong) Holding Ltd 10% Owner | 0 | $0 | 29,267,687 (Indirect) | View |
Ownership | 2023-01-03 6:43 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | HOPU Reunion Co Ltd 10% Owner | 0 | $0 | 38,952,409 (Direct) | View |
Ownership | 2023-01-03 6:40 pm | N/A 2031-04-29 | Ambrx Biopharma Inc. | AMAM | Rupalla Katrin Director | 0 | $0 | 305,000 (Direct) | View |
Ownership | 2023-01-03 6:35 pm | N/A 2032-10-31 | Ambrx Biopharma Inc. | AMAM | O'Connor Daniel J. President and CEO | 0 | $0 | 5,410,000 (Direct) | View |
Ownership | 2023-01-03 6:32 pm | N/A 2031-09-01 | Ambrx Biopharma Inc. | AMAM | Nelson Sonja Chief Fin. & Operating Officer | 0 | $0 | 3,849,596 (Direct) | View |
Ownership | 2023-01-03 6:30 pm | N/A 2032-02-01 | Ambrx Biopharma Inc. | AMAM | MAIER PAUL V Director | 0 | $0 | 315,000 (Direct) | View |
Ownership | 2023-01-03 6:28 pm | N/A 2032-05-31 | Ambrx Biopharma Inc. | AMAM | Loesberg Janet Director | 0 | $0 | 315,000 (Direct) | View |
Ownership | 2023-01-03 6:24 pm | N/A N/A | Ambrx Biopharma Inc. | AMAM | Hu Edward Director | 0 | $0 | 1,215,472 (Indirect) | View |
Ownership | 2023-01-03 6:06 pm | N/A 2032-06-29 | Ambrx Biopharma Inc. | AMAM | Hermans Kate Director | 0 | $0 | 525,000 (Direct) | View |