Frazier Life Sciences X, L.P. - Apr 28, 2022 Form 3 Insider Report for HilleVax, Inc. (HLVX)

Role: 10%+ Owner
Signature: Frazier Life Sciences X, L.P., By: FHMLS X, L.P., its general partner, By: FHMLS X, L.L.C., its general partner, By: /s/ James N. Topper, Managing Director
Stock symbol: HLVX
Transactions as of: Apr 28, 2022
Transactions value $: $0
Form type: 3
Date filed: 4/28/2022, 09:37 PM
Next filing: May 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	HLVX	Common Stock						4.03M	Apr 28, 2022	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
holding	HLVX	Convertible Promissory Notes							Apr 28, 2022	Common Stock	2.74M	$13.60	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The shares are held directly by Frazer Life Sciences X, L.P. ("FLS X"). The general partner of FLS X is FHMLS X, L.P., and the general partner of FHMLS X, L.P. is FHMLS X, L.L.C. James Topper, M.D., Ph.D., and Patrick Heron are the sole managing members of FHMLS X, L.L.C. and share voting and investment power of the securities held by FLS X. Dr. Topper and Mr. Heron disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.
F2	The outstanding principal and unpaid accrued interest due on the Convertible Promissory Notes will automatically convert into shares of the Issuer's Common Stock immediately prior to the closing of the initial public offering.

Content

The shares are held directly by Frazer Life Sciences X, L.P. ("FLS X"). The general partner of FLS X is FHMLS X, L.P., and the general partner of FHMLS X, L.P. is FHMLS X, L.L.C. James Topper, M.D., Ph.D., and Patrick Heron are the sole managing members of FHMLS X, L.L.C. and share voting and investment power of the securities held by FLS X. Dr. Topper and Mr. Heron disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

The outstanding principal and unpaid accrued interest due on the Convertible Promissory Notes will automatically convert into shares of the Issuer's Common Stock immediately prior to the closing of the initial public offering.