Daniel J. O'Connor - 26 Apr 2023 Form 4 Insider Report for Ambrx Biopharma Inc.

Role: President and CEO, Director
Signature: /s/ Sonja Nelson, Attorney-in-Fact for Daniel O'Connor
Issuer symbol: N/A
Transactions as of: 26 Apr 2023
Net transactions value: $0
Form type: 4
Filing time: 28 Apr 2023, 17:59:12 UTC
Previous filing: 05 Jan 2023
Next filing: 07 Jul 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMAM	Ordinary Shares	Award	$0	+2,750,000		$0.000000	2,750,000	26 Apr 2023	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Ordinary Shares of the Issuer may be represented by American Depositary Shares ("ADSs"). Each ADS represents seven Ordinary Shares of the Issuer.
F2	Represents grant of Restricted Stock Units (the "RSUs") payable solely in Ordinary Shares of the Issuer that vest as follows: (i) 25% of the RSUs will vest on the six-month anniversary of the grant date of April 26, 2023 (the "Grant Date"), (ii) 25% of the RSUs will vest on the 12-month anniversary of the Grant Date, (iii) 25% of the RSUs will vest on the 24-month anniversary of the Grant Date, and (iv) 25% of the RSUs will vest on the 36-month anniversary of the Grant Date.

Content

The Ordinary Shares of the Issuer may be represented by American Depositary Shares ("ADSs"). Each ADS represents seven Ordinary Shares of the Issuer.

Represents grant of Restricted Stock Units (the "RSUs") payable solely in Ordinary Shares of the Issuer that vest as follows: (i) 25% of the RSUs will vest on the six-month anniversary of the grant date of April 26, 2023 (the "Grant Date"), (ii) 25% of the RSUs will vest on the 12-month anniversary of the Grant Date, (iii) 25% of the RSUs will vest on the 24-month anniversary of the Grant Date, and (iv) 25% of the RSUs will vest on the 36-month anniversary of the Grant Date.