Ambrx Biopharma Inc (AMAM)

Sector:
HEALTH CARE
Industry:
BIOTECHNOLOGY & LIFE SCIENCES
SIC:
BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES)
CEO:
Daniel J. O'Connor
Employees:
80
10975 NORTH TORREY PINES ROAD, LA JOLLA, CA 92037
(858) 729-3339

Ambrx Biopharma Inc. discovers and develops engineered precision biologics using its proprietary expanded genetic code technology platform. Its lead product candidate is an anti-HER2 antibody-drug conjugate (ADC), which is investigated in various clinical trials for the treatment of breast cancer, gastric/gastroesophageal junction cancer, and other solid tumors. The company was incorporated in 2003 and is headquartered in La Jolla, California.

Data derived from most recent annual or quarterly report
Market Cap 561.125 Million Shares Outstanding38.618 Million Avg 30-day Volume 600.467 Thousand
P/E Ratio0.0 Dividend Yield0.0 EPS-0.26
Price to Revenue483.3187 Debt to Equity0.0 EBITDA-70.682 Million
Price to Book Value15.3869 Operating Margin-1243.8844 Enterprise Value2.643 Billion
Current Ratio10.128 EPS Growth0 Quick Ratio9.795
1 Yr BETA -1.3889 52-week High/Low 15.29 / 0.38 Profit Margin-1215.3965
Operating Cash Flow Growth0.0 Altman Z-Score57.8505 Free Cash Flow to Firm 0
View SEC Filings from AMAM instead.

View recent insider trading info

Ambrx Biopharma Inc YCharts
Yahoo! Finance finviz
SEC Web Site SEC DEF 14A Filings

Funds Holding AMAM (via 13F filings)

Refresh Download CSV Download Excel (.xlsx) Download TSV
Filter by:
Click for Additional Filters
to
to
to
Refresh
*Shares are split adjusted
*Please note that if a filer hasn't submitted a 13F filing for a quarter then the filer's shares will be listed as "Sold All"

Mutual Funds Holding AMAM

Download CSV

Active Schedule 13D and 13G filings

Please sign in first

Recent Filings

Financial Reporting

Ownership

  • 3: filed on 2023-05-19 by GLOVER STEPHEN C.
  • 4: filed on 2023-05-05 by AROMANDO ANDREW
  • 3: filed on 2023-05-05 by AROMANDO ANDREW
  • 4: filed on 2023-04-28 by NELSON SONJA
  • 4: filed on 2023-04-28 by OCONNOR DANIEL J.
  • 4: filed on 2023-04-20 by CORMORANT ASSET MANAGEMENT, LP
  • 4: filed on 2023-04-17 by CORMORANT ASSET MANAGEMENT, LP
  • 4: filed on 2023-03-16 by CORMORANT ASSET MANAGEMENT, LP
  • 3: filed on 2023-03-13 by CORMORANT ASSET MANAGEMENT, LP
  • 4: filed on 2023-03-08 by DARWIN GLOBAL MANAGEMENT, LTD.

    • Events (8k)

  • 8-K: filed on 2023-05-25:
    Item 1.01: Entry into a Material Definitive Agreement
    Item 8.01: Other Events
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-05-18:
    Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-05-16:
    Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-04-10:
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-03-13:
    Item 8.01: Other Events
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-03-06:
    Item 3.01: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
    Item 7.01: Regulation FD Disclosure
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-03-01:
    Item 8.01: Other Events
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-02-24:
    Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
    Item 7.01: Regulation FD Disclosure
    Item 8.01: Other Events
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-02-17:
    Item 8.01: Other Events
    Item 9.01: Financial Statements and Exhibits
  • 8-K: filed on 2023-02-06:
    Item 2.02: Results of Operations and Financial Condition
    Item 8.01: Other Events

    • Proposed Sales (Form 144)

    Proxy

    Prospectus

    All

    Open Market Buys/Sells Last 60 Days

    Open Market Buys (P)

    7.8 Million total shares from 6 transactions

    Open Market Sells (S)

    none

    Exercise Derivative Conversion (M)

    none

    Current/Former Insiders

    Insider Name Type Last Reported Shares Held Last Reported Date Filings in past year

    GLOVER STEPHEN C.

    • Director
    		 0 2023-05-18 2

    AROMANDO ANDREW CHIEF OPERATING OFFICER

    • Officer
    		 0 2023-04-28 2

    O'CONNOR DANIEL J. PRESIDENT AND CEO

    • Officer
    • Director
    		 2,750,000 2023-04-26 2

    NELSON SONJA CHIEF FIN. & OPERATING OFFICER

    • Officer
    		 1,000,000 2023-04-26 3

    CORMORANT ASSET MANAGEMENT, LP

    CHEN BIHUA

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP

    CORMORANT PRIVATE HEALTHCARE FUND III LP

    • 10% Owner
    		 67,313,085 2023-04-18 4

    DARWIN GLOBAL MANAGEMENT, LTD.

    • 10% Owner
    		 0 2023-02-27 2

    COMMODORE CAPITAL LP

    • 10% Owner
    		 35,700,000 2023-02-23 1

    MAIER PAUL V

    • Director
    		 315,000 2023-01-27 2

    RUPALLA KATRIN

    • Director
    		 305,000 2023-01-27 2

    HERMANS KATE

    • Director
    		 525,000 2023-01-27 2

    LOESBERG JANET

    • Director
    		 315,000 2023-01-27 2

    HU EDWARD

    • Director
    		 1,215,472 2023-01-01 1

    WUXI APPTEC CO., LTD.

    WUXI PHARMATECH HEALTHCARE FUND I L.P.

    WUXI APPTEC (HONG KONG) HOLDING LTD

    • 10% Owner
    		 29,267,687 2023-01-01 1

    CHANG XIAOWEI

    • Director
    		 0 2023-01-01 1

    HOPU REUNION CO LTD

    • 10% Owner
    		 38,952,409 2023-01-01 1

    Insider Transactions Last 60 Days

    Reporting Owners Filing Date Trans Date Trans Code Shares Share Price Acquired
    Disposed    		 Shares Owned after D/I 10b5 Perf 1d* Perf 5d* Perf 1m* Max Gain Max Gain Days Max Loss Max Loss Days

    GLOVER STEPHEN C. - Director

    		2023-05-26 20:20:00 -0400 2023-05-18 A 210,000 a 210,000 direct

    AROMANDO ANDREW - Officer CHIEF OPERATING OFFICER

    		2023-05-05 16:10:11 -0400 2023-04-28 A 2,600,000 a 2,600,000 direct

    O'CONNOR DANIEL J. - Director - Officer PRESIDENT AND CEO

    		2023-04-28 17:59:12 -0400 2023-04-26 A 2,750,000 a 2,750,000 direct -1.3105 19.1532 19.254 4 -1.3105 2

    NELSON SONJA - Officer CHIEF FIN. & OPERATING OFFICER

    		2023-04-28 18:00:38 -0400 2023-04-26 A 1,000,000 a 1,000,000 direct -1.3105 19.1532 19.254 4 -1.3105 2

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-20 18:04:35 -0400 2023-04-20 P 886,634 $11.60 a 67,313,085 indirect -15.935 -21.6667 0.0 1 -26.1789 4

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-20 18:04:35 -0400 2023-04-19 P 951,909 $11.15 a 66,426,451 indirect -15.935 -21.6667 0.0 1 -26.1789 4

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-20 18:04:35 -0400 2023-04-18 P 3,376,646 $11.27 a 65,474,542 indirect -15.935 -21.6667 0.0 1 -26.1789 4

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-17 17:46:21 -0400 2023-04-17 P 562,121 $10.67 a 62,097,896 indirect 1.9366 -14.3486 29.9296 31.7782 27 -20.0704 7

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-17 17:46:21 -0400 2023-04-14 P 841,967 $9.96 a 61,535,775 indirect 1.9366 -14.3486 29.9296 31.7782 27 -20.0704 7

    CORMORANT ASSET MANAGEMENT, LP - > 10% Owner see footnotes

    CHEN BIHUA - > 10% Owner see footnotes

    CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP - > 10% Owner see footnotes

    CORMORANT PRIVATE HEALTHCARE FUND III LP - > 10% Owner see footnotes

    		2023-04-17 17:46:21 -0400 2023-04-13 P 1,193,808 $9.16 a 60,693,808 indirect 1.9366 -14.3486 29.9296 31.7782 27 -20.0704 7

    * -

    Transaction Code Definitions
    Code Definition
    A Grant, award or other acquisition pursuant to Rule 16b-3(d)
    C Conversion of derivative security
    D Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
    E Expiration of short derivative position
    F Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
    G Bona fide gift
    H Expiration (or cancellation) of long derivative position with value received
    I Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities
    J Other acquisition or disposition
    L Small acquisition under Rule 16a-6
    M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
    O Exercise of out-of-the-money derivative security
    P Open market or private purchase of non-derivative or derivative security
    S Open market or private sale of non-derivative or derivative security
    U Disposition pursuant to a tender of shares in a change of control transaction
    W Acquisition or disposition by will or the laws of descent and distribution
    X Exercise of in-the-money or at-the-money derivative security
    Z Deposit into or withdrawal from voting trust

    IBR Securities Loan Availability

    Updated throughout the day, this shows the number of shares available to borrow. Data provided by Interactive Brokers

    Security Date/Time Rebate Rate Fee Rate Shares Available
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 22:15:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 21:45:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 21:15:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 20:45:03 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 20:15:05 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 19:45:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 19:15:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 18:45:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 18:15:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 17:45:03 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 17:15:04 UTC -57.9412 63.0012 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 16:45:03 UTC -57.482 62.552 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 16:15:04 UTC -57.482 62.552 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 15:45:04 UTC -57.482 62.552 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 15:15:03 UTC -57.482 62.552 700000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 14:45:04 UTC -57.482 62.552 650000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 14:15:03 UTC -57.482 62.552 650000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 13:45:03 UTC -63.2503 68.3203 650000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 13:15:04 UTC -63.2503 68.3203 650000
    AMBRX BIOPHARMA INC-ADR AMAM 2023-06-02 12:45:03 UTC -63.2503 68.3203 650000

    Current Active Short Positions

    Holder Issuer Net Short Position Position Date Origin

    No recent transactions

    *** To see all congressional transactions (since 2022) for this stock, please use the congressional transaction search page***

    Elevate your investments