ROBERT HERSHBERG - 01 Feb 2023 Form 4 Insider Report for HilleVax, Inc. (HLVX)

Role: President and CEO, Director
Signature: /s/ Paul Bavier, Attorney-in-Fact for Robert Hershberg
Issuer symbol: HLVX
Transactions as of: 01 Feb 2023
Net transactions value: $0
Form type: 4
Filing time: 03 Feb 2023, 15:17:23 UTC
Previous filing: 16 Jun 2022
Next filing: 03 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HLVX	Common Stock	Award	$0	+187,966	+24%	$0.000000	965,428	01 Feb 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HLVX	Stock Option (Right to Buy)	Award	$0	+381,950		$0.000000	381,950	01 Feb 2023	Common Stock	381,950	$18.00	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") which will vest as to 25% of the total number of RSUs granted on each of the first four anniversaries of February 1, 2023, subject to the reporting person's continuous service to the Issuer on the applicable vesting dates. Each RSU represents a contingent right to receive one share of common stock of the Issuer and the RSUs have no expiration date.
F2	The option is exercisable as it vests. The option will vest with respect to 25% of the shares of common stock on February 1, 2024 and will vest with respect to the remaining shares in equal monthly installments over the following three years subject to the reporting person's continuous service to the Issuer on the applicable vesting dates.