Benjamin Jackson - Sep 11, 2025 Form 4 Insider Report for SERA PROGNOSTICS, INC. (SERA)

Role: General Counsel
Signature: /s/ Benjamin G. Jackson
Stock symbol: SERA
Transactions as of: Sep 11, 2025
Transactions value $: -$2,923
Form type: 4
Date filed: 9/12/2025, 04:35 PM
Previous filing: Aug 11, 2025
Next filing: Nov 12, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Jackson Benjamin	General Counsel	C/O SERA PROGNOSTICS, INC., 2749 EAST PARLEYS WAY, SUITE 200, SALT LAKE CITY	/s/ Benjamin G. Jackson	2025-09-12	0001779964

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SERA	Class A Common Stock	Sale	-$2.92K	-934	-0.73%	$3.13	127K	Sep 11, 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	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.
F2	The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $3.05 to $3.24, 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 with regard to the block trade.

Content

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.

The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $3.05 to $3.24, 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 with regard to the block trade.