SERA PROGNOSTICS, INC. — Director's Dealing 2025

Dec 31, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SERA PROGNOSTICS, INC. (SERA)
CIK: 0001534969
Period of Report: 2025-12-30

Reporting Person: Harrison Robert Gardner (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-30	Class A Common Stock	S	2000	$3	Disposed	84788	Direct

Footnotes

F1: The transaction(s) reported on this Form 4 was/were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 21, 2025.

F2: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.88 to $3.25, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.