Over the past 12 months, 0 insiders at Ambrx Biopharma, Inc. filed 0 open-market SEC Form 4 transactions on AMAM: 0 purchases worth $0 and 0 sales worth $0. Insiders have been mixed over this period. The most recent filing was on .
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 27, 23 | Sonja NelsonChief Financial Officer | SELL | 12.8K | $9.82 | $125K |
| Oct 27, 23 | Daniel J. O'ConnorPresident and CEO | SELL | 50.0K | $9.82 | $491K |
| Oct 23, 23 | Cormorant Asset Management, LpTenPercentOwner | BUY | 1.31M | $6.99 | $9.1M |
| Sep 18, 23 | Cormorant Asset Management, LpTenPercentOwner | BUY | 751.2K | $9.24 | $6.9M |
| Sep 15, 23 | Cormorant Asset Management, LpTenPercentOwner | BUY | 1.40M | $9.05 | $12.7M |
| Apr 20, 23 | Bihua ChenTenPercentOwner | BUY | 886.6K | $11.60 | $10.3M |
| Apr 19, 23 | Bihua ChenTenPercentOwner | BUY | 951.9K | $11.15 | $10.6M |
| Apr 18, 23 | Bihua ChenTenPercentOwner | BUY | 3.38M | $11.27 | $38.1M |
| Apr 17, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 562.1K | $10.67 | $6.0M |
| Apr 14, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 842.0K | $9.96 | $8.4M |
| Apr 13, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 1.19M | $9.16 | $10.9M |
| Mar 16, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 500.0K | $10.15 | $5.1M |
| Mar 15, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 250.0K | $10.60 | $2.6M |
| Mar 14, 23 | Cormorant Private Healthcare Fund III LpTenPercentOwner | BUY | 250.0K | $9.95 | $2.5M |
Over the past 12 months, insiders at Ambrx Biopharma, Inc. filed 0 open-market purchases worth $0 and 0 sales worth $0 on AMAM, which makes them mixed over the period. The most recent Form 4 was filed on .
The largest recent open-market AMAM insider purchase in our data was $38.1M by Bihua Chen, TenPercentOwner, filed on Apr 18, 23.
0 different insiders at Ambrx Biopharma, Inc. filed open-market SEC Form 4 transactions on AMAM over the last 12 months.
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