List of insiders holdings for Ambrx Biopharma Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund III LP 10% Owner | 2023-09-19 16:49:06 | 0 69,465,823 | 69,465,823 | Form 4 |
| 2 | WuXi AppTec Co. Ltd. WuXi PharmaTech Healthcare Fund I L.P. WuXi AppTec (Hong Kong) Holding Ltd 10% Owner | 2023-01-09 18:34:16 | 0 29,267,687 | 29,267,687 | Form 3 |
| 3 | Darwin Global Management Ltd. Darwin Global Master Fund Ltd. Trehan Abhishek 10% Owner | 2023-06-28 16:45:44 | 0 16,688,636 | 16,688,636 | Form 4 |
| 4 | O'Connor Daniel J. President and CEO | 2023-07-07 16:06:29 | 1,216,500 0 | 1,216,500 | Form 4 |
| 5 | Hu Edward Director | 2023-01-03 18:24:18 | 0 1,215,472 | 1,215,472 | Form 3 |
| 6 | Aromando Andrew Chief Operating Officer | 2023-07-07 16:05:50 | 389,000 0 | 389,000 | Form 4 |
| 7 | Nelson Sonja Chief Financial Officer | 2023-07-07 16:05:51 | 389,000 0 | 389,000 | Form 4 |
| 8 | Rupalla Katrin Director | 2023-01-31 18:18:51 | 305,000 0 | 305,000 | Form 4 |
| 9 | Chang Xiaowei Director | 2023-06-09 16:11:55 | 210,000 0 | 210,000 | Form 4 |
| 10 | Glover Stephen C. Director | 2023-06-09 16:17:34 | 142,500 0 | 142,500 | Form 4 |
| 11 | Hermans Kate Director | 2023-06-09 16:05:15 | 85,000 0 | 85,000 | Form 4 |
| 12 | MAIER PAUL V Director | 2023-06-09 16:05:18 | 85,000 0 | 85,000 | Form 4 |
| 13 | Loesberg Janet Director | 2023-06-09 16:05:21 | 85,000 0 | 85,000 | Form 4 |
| 14 | DALESANDRO MARGARET Director | 2023-09-06 17:52:23 | 70,833 0 | 70,833 | Form 4 |
| 15 | HOPU Reunion Co Ltd 10% Owner | 2023-10-10 11:35:22 | 0 0 | 0 | Form 13G |
| 16 | COMMODORE CAPITAL LP 10% Owner | 2023-04-27 16:05:16 | 0 0 | 0 | Form 13G |