Is Ambrx Biopharma Inc. (AMAM) a Buy, Sell, or Hold?
NYSE : AMAM
Ambrx Biopharma Inc. — Insider Trades
$28 USD
$0.02 (0.07%)
- Volume
- 1.42M
- Average Volume
- 2M
- Market Capitalization
- $1.77B
- P/E Ratio
- -13.86
- Dividend Yield
- 0.00%
- Price Target
- Year High
- $28.15
- Year Low
- $6.55
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.00
- Current Ratio
- $5.44
Insider Activity Summary (Last 12 Months)
Insiders Buying
41
Insiders Selling
20
Amount of Insider Selling
$11.03M
AMAM Insider Buying/Selling by Quarter
AMAM Insider Trading History
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| O'Connor Daniel J. | director, officer: President and CEO | 2023-12-11 | A-Award | 0 | 2023-12-11 |
| O'Connor Daniel J. | director, officer: President and CEO | 2023-10-27 | S-Sale | 9.82 | 2023-10-31 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-10-23 | P-Purchase | 6.9911 | 2023-10-25 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-09-18 | P-Purchase | 9.2447 | 2023-09-19 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-09-15 | P-Purchase | 9.0479 | 2023-09-19 |
| DALESANDRO MARGARET | director | 2023-09-01 | A-Award | 0 | 2023-09-06 |
| DALESANDRO MARGARET | director | 2023-09-01 | A-Award | 0 | 2023-09-06 |
| DALESANDRO MARGARET | 2023-09-01 | 0 | 2023-09-06 | ||
| O'Connor Daniel J. | director, officer: President and CEO | 2023-07-05 | A-Award | 2.38 | 2023-07-07 |
| Nelson Sonja | officer: Chief Financial Officer | 2023-07-05 | A-Award | 2.38 | 2023-07-07 |
| Aromando Andrew | officer: Chief Operating Officer | 2023-07-05 | A-Award | 2.38 | 2023-07-07 |
| Darwin Global Management, Ltd. | 10 percent owner | 2023-06-27 | P-Purchase | 0 | 2023-06-28 |
| Glover Stephen C. | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| Glover Stephen C. | director | 2023-06-07 | A-Award | 1.96 | 2023-06-09 |
| Glover Stephen C. | director | 2023-05-18 | A-Award | 1.97 | 2023-06-09 |
| Chang Xiaowei | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| Chang Xiaowei | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| Loesberg Janet | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| MAIER PAUL V | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| Hermans Kate | director | 2023-06-07 | A-Award | 0 | 2023-06-09 |
| Glover Stephen C. | director | 2023-05-18 | A-Award | 1.97 | 2023-05-26 |
| Glover Stephen C. | director: | 2023-05-18 | 0 | 2023-05-19 | |
| Aromando Andrew | officer: Chief Operating Officer | 2023-04-28 | A-Award | 1.38 | 2023-05-05 |
| Aromando Andrew | officer | 2023-04-28 | 0 | 2023-05-05 | |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-04-26 | A-Award | 0 | 2023-04-28 |
| O'Connor Daniel J. | director, officer: President and CEO | 2023-04-26 | A-Award | 0 | 2023-04-28 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-20 | P-Purchase | 11.6003 | 2023-04-20 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-19 | P-Purchase | 11.1485 | 2023-04-20 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-18 | P-Purchase | 11.2695 | 2023-04-20 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-17 | P-Purchase | 10.6729 | 2023-04-17 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-14 | P-Purchase | 9.958 | 2023-04-17 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-04-13 | P-Purchase | 9.1602 | 2023-04-17 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-03-16 | P-Purchase | 10.1485 | 2023-03-16 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-03-15 | P-Purchase | 10.5955 | 2023-03-16 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-03-14 | P-Purchase | 9.9531 | 2023-03-16 |
| Cormorant Asset Management, LP | 10 percent owner | 2023-03-03 | 0 | 2023-03-13 | |
| Darwin Global Management, Ltd. | 10 percent owner | 2023-03-06 | P-Purchase | 0 | 2023-03-08 |
| Darwin Global Management, Ltd. | 10 percent owner | 2023-02-28 | P-Purchase | 0 | 2023-03-08 |
| Darwin Global Management, Ltd. | 10 percent owner | 2023-02-27 | P-Purchase | 0 | 2023-03-08 |
| Darwin Global Management, Ltd. | 10 percent owner | 2023-01-01 | 0 | 2023-03-08 | |
| COMMODORE CAPITAL LP | 10 percent owner | 2023-02-23 | 0 | 2023-03-03 | |
| Rupalla Katrin | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Rupalla Katrin | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Rupalla Katrin | director | 2023-01-27 | D-Return | 0.43 | 2023-01-31 |
| Rupalla Katrin | director | 2023-01-27 | D-Return | 1.83 | 2023-01-31 |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-01-27 | D-Return | 2.56 | 2023-01-31 |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-01-27 | D-Return | 0.64 | 2023-01-31 |
| MAIER PAUL V | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| MAIER PAUL V | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| MAIER PAUL V | director | 2023-01-27 | D-Return | 0.43 | 2023-01-31 |
| MAIER PAUL V | director | 2023-01-27 | D-Return | 0.66 | 2023-01-31 |
| Loesberg Janet | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Loesberg Janet | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Loesberg Janet | director | 2023-01-27 | D-Return | 0.43 | 2023-01-31 |
| Loesberg Janet | director | 2023-01-27 | D-Return | 0.59 | 2023-01-31 |
| Hermans Kate | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Hermans Kate | director | 2023-01-27 | A-Award | 0.28 | 2023-01-31 |
| Hermans Kate | director | 2023-01-27 | D-Return | 0.35 | 2023-01-31 |
| Hermans Kate | director | 2023-01-27 | D-Return | 0.38 | 2023-01-31 |
| Hermans Kate | director | 2023-01-27 | D-Return | 0.43 | 2023-01-31 |
| WuXi AppTec Co., Ltd. | director | 2023-01-01 | 0 | 2023-01-09 | |
| WuXi AppTec Co., Ltd. | director | 2023-01-01 | 0 | 2023-01-09 | |
| HOPU Reunion Co Ltd | director | 2023-01-01 | 0 | 2023-01-03 | |
| Rupalla Katrin | director | 2023-01-01 | 0.43 | 2023-01-03 | |
| O'Connor Daniel J. | officer: President and CEO | 2023-01-01 | 0.13 | 2023-01-03 | |
| Nelson Sonja | officer: Chief Fin. & Operating Officer | 2023-02-23 | 0.64 | 2023-01-03 | |
| MAIER PAUL V | director | 2023-01-01 | 0.43 | 2023-01-03 | |
| Loesberg Janet | director | 2023-01-01 | 0.43 | 2023-01-03 | |
| Hu Edward | director | 2023-01-01 | 0 | 2023-01-03 | |
| Hermans Kate | director | 2022-12-15 | 0.35 | 2023-01-03 | |
| Chang Xiaowei | director: | 2023-01-01 | 0 | 2023-01-03 | |
| Chang Xiaowei | None | 2023-01-01 | None | 2023-01-03 |