Insider Trading & Ownership - Ambrx Biopharma Cayman Inc. (AMAM)

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>>
Time period
Insider Trading Transactions for Ambrx Biopharma Cayman Inc.
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2023-09-15
Purchase
2023-09-19
4:49 pm
Ambrx Biopharma Inc.AMAMCormorant Asset Management LP
Chen Bihua
Cormorant Global Healthcare Master Fund LP
Cormorant Private Healthcare Fund III LP
10% Owner
2,152,738$9.1166$19,625,60169,465,823
(Indirect)
View
2023-04-18
Purchase
2023-04-20
6:04 pm
Ambrx Biopharma Inc.AMAMCormorant Asset Management LP
Chen Bihua
Cormorant Global Healthcare Master Fund LP
Cormorant Private Healthcare Fund III LP
10% Owner
5,215,189$11.3$58,950,69067,313,085
(Indirect)
View
2023-04-13
Purchase
2023-04-17
5:46 pm
Ambrx Biopharma Inc.AMAMCormorant Asset Management LP
Chen Bihua
Cormorant Global Healthcare Master Fund LP
Cormorant Private Healthcare Fund III LP
10% Owner
2,597,896$9.7461$25,319,28962,097,896
(Indirect)
View
2023-03-14
Purchase
2023-03-16
6:04 pm
Ambrx Biopharma Inc.AMAMCormorant Asset Management LP
Chen Bihua
Cormorant Global Healthcare Master Fund LP
Cormorant Private Healthcare Fund III LP
10% Owner
1,000,000$10.21$10,211,40053,500,000
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
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.AMAMDALESANDRO MARGARET
Director
195,833$070,833
(Direct)
View
2023-07-05
Option Award
2023-07-07
4:06 pm
N/A
2033-07-05
Ambrx Biopharma Inc.AMAMO'Connor Daniel J.
President and CEO
1,216,500$01,216,500
(Direct)
View
2023-07-05
Option Award
2023-07-07
4:05 pm
N/A
2033-07-05
Ambrx Biopharma Inc.AMAMNelson Sonja
Chief Financial Officer
389,000$0389,000
(Direct)
View
2023-07-05
Option Award
2023-07-07
4:05 pm
N/A
2033-07-05
Ambrx Biopharma Inc.AMAMAromando Andrew
Chief Operating Officer
389,000$0389,000
(Direct)
View
2023-06-07
Option Award
2023-06-09
4:17 pm
N/A
2033-06-07
Ambrx Biopharma Inc.AMAMGlover Stephen C.
Director
142,500$0142,500
(Direct)
View
2023-06-07
Option Award
2023-06-09
4:11 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMChang Xiaowei
Director
210,000$0210,000
(Direct)
View
2023-06-07
Option Award
2023-06-09
4:05 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMLoesberg Janet
Director
85,000$085,000
(Direct)
View
2023-06-07
Option Award
2023-06-09
4:05 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMMAIER PAUL V
Director
85,000$085,000
(Direct)
View
2023-06-07
Option Award
2023-06-09
4:05 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMHermans Kate
Director
85,000$085,000
(Direct)
View
2023-05-18
Option Award
2023-05-26
8:20 pm
N/A
2033-05-18
Ambrx Biopharma Inc.AMAMGlover Stephen C.
Director
210,000$0210,000
(Direct)
View
2023-04-28
Option Award
2023-05-05
4:10 pm
N/A
2033-04-28
Ambrx Biopharma Inc.AMAMAromando Andrew
Chief Operating Officer
2,600,000$02,600,000
(Direct)
View
2023-04-26
Option Award
2023-04-28
6:00 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMNelson Sonja
Chief Fin. & Operating Officer
1,000,000$01,000,000
(Direct)
View
2023-04-26
Option Award
2023-04-28
5:59 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMO'Connor Daniel J.
President and CEO
2,750,000$02,750,000
(Direct)
View

Ownership
2023-03-13
4:01 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMCormorant Asset Management LP
Cormorant Global Healthcare Master Fund LP
Cormorant Private Healthcare Fund III LP
Chen Bihua
10% Owner
0$052,500,000
(Indirect)
View

Ownership
2023-03-08
10:50 am
N/A
N/A
Ambrx Biopharma Inc.AMAMDarwin Global Management Ltd.
10% Owner
0$053,091,423
(Indirect)
View

Ownership
2023-03-03
4:05 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMCOMMODORE CAPITAL LP
10% Owner
0$035,700,000
(Indirect)
View
2023-01-27
Disposition
2023-01-31
6:18 pm
N/A
2031-04-29
Ambrx Biopharma Inc.AMAMRupalla Katrin
Director
305,000$0305,000
(Direct)
View
2023-01-27
Option Award
2023-01-31
6:18 pm
N/A
2031-04-29
Ambrx Biopharma Inc.AMAMRupalla Katrin
Director
305,000$0305,000
(Direct)
View
2023-01-27
Disposition
2023-01-31
6:16 pm
N/A
2031-09-01
Ambrx Biopharma Inc.AMAMNelson Sonja
Chief Fin. & Operating Officer
3,849,596$03,849,596
(Direct)
View
2023-01-27
Option Award
2023-01-31
6:16 pm
N/A
2031-09-01
Ambrx Biopharma Inc.AMAMNelson Sonja
Chief Fin. & Operating Officer
3,849,596$03,849,596
(Direct)
View
2023-01-27
Disposition
2023-01-31
6:14 pm
N/A
2032-02-01
Ambrx Biopharma Inc.AMAMMAIER PAUL V
Director
315,000$0315,000
(Direct)
View
2023-01-27
Option Award
2023-01-31
6:14 pm
N/A
2032-02-01
Ambrx Biopharma Inc.AMAMMAIER PAUL V
Director
315,000$0315,000
(Direct)
View
2023-01-27
Disposition
2023-01-31
6:09 pm
N/A
2032-05-31
Ambrx Biopharma Inc.AMAMLoesberg Janet
Director
315,000$0315,000
(Direct)
View
2023-01-27
Option Award
2023-01-31
6:09 pm
N/A
2032-05-31
Ambrx Biopharma Inc.AMAMLoesberg Janet
Director
315,000$0315,000
(Direct)
View
2023-01-27
Disposition
2023-01-31
6:07 pm
N/A
2032-06-29
Ambrx Biopharma Inc.AMAMHermans Kate
Director
525,000$0525,000
(Direct)
View
2023-01-27
Option Award
2023-01-31
6:07 pm
N/A
2032-06-29
Ambrx Biopharma Inc.AMAMHermans Kate
Director
525,000$0525,000
(Direct)
View

Ownership
2023-01-09
6:34 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMWuXi AppTec Co. Ltd.
WuXi PharmaTech Healthcare Fund I L.P.
WuXi AppTec (Hong Kong) Holding Ltd
10% Owner
0$029,267,687
(Indirect)
View

Ownership
2023-01-03
6:43 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMHOPU Reunion Co Ltd
10% Owner
0$038,952,409
(Direct)
View

Ownership
2023-01-03
6:40 pm
N/A
2031-04-29
Ambrx Biopharma Inc.AMAMRupalla Katrin
Director
0$0305,000
(Direct)
View

Ownership
2023-01-03
6:35 pm
N/A
2032-10-31
Ambrx Biopharma Inc.AMAMO'Connor Daniel J.
President and CEO
0$05,410,000
(Direct)
View

Ownership
2023-01-03
6:32 pm
N/A
2031-09-01
Ambrx Biopharma Inc.AMAMNelson Sonja
Chief Fin. & Operating Officer
0$03,849,596
(Direct)
View

Ownership
2023-01-03
6:30 pm
N/A
2032-02-01
Ambrx Biopharma Inc.AMAMMAIER PAUL V
Director
0$0315,000
(Direct)
View

Ownership
2023-01-03
6:28 pm
N/A
2032-05-31
Ambrx Biopharma Inc.AMAMLoesberg Janet
Director
0$0315,000
(Direct)
View

Ownership
2023-01-03
6:24 pm
N/A
N/A
Ambrx Biopharma Inc.AMAMHu Edward
Director
0$01,215,472
(Indirect)
View

Ownership
2023-01-03
6:06 pm
N/A
2032-06-29
Ambrx Biopharma Inc.AMAMHermans Kate
Director
0$0525,000
(Direct)
View