Mansoor Raza Mirza - 05 Jun 2025 Form 4 Insider Report for SERA PROGNOSTICS, INC. (SERA)

Role: Director
Signature: /s/ Benjamin G. Jackson, Attorney-in-fact
Issuer symbol: SERA
Transactions as of: 05 Jun 2025
Net transactions value: -$169
Form type: 4
Filing time: 06 Jun 2025, 18:39:38 UTC
Previous filing: 29 May 2025
Next filing: 08 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mirza Mansoor Raza	Director	C/O SERA PROGNOSTICS, INC., 2749 EAST PARLEYS WAY, SUITE 200, SALT LAKE CITY	/s/ Benjamin G. Jackson, Attorney-in-fact	06 Jun 2025	0001588389

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SERA	Class A Common Stock	Award	$0	+15,596	+36%	$0.000000	59,268	05 Jun 2025	Direct	F1
transaction	SERA	Class A Common Stock	Sale	$169	-107	-0.18%	$1.58	59,161	06 Jun 2025	Direct	F2

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	SERA	Stock Option (right to buy)	Award	$0	+25,000		$0.000000	25,000	05 Jun 2025	Class A Common Stock	25,000	$1.60	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 5, 2025, subject to the Reporting Person continuing to provide services to the issuer.
F2	Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.
F3	Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 5, 2025.