    <SEC-DOCUMENT>0001104659-21-093073-index.html : 20210716
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    <ACCEPTANCE-DATETIME>20210716161431
    ACCESSION NUMBER:		0001104659-21-093073
    CONFORMED SUBMISSION TYPE:	424B4
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20210716
    DATE AS OF CHANGE:		20210716

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SERA PROGNOSTICS, INC.
    		CENTRAL INDEX KEY:			0001534969
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
    		IRS NUMBER:				261911522
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		424B4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-257038
    		FILM NUMBER:		211095617

    	BUSINESS ADDRESS:
    		STREET 1:		2749 E. PARLEYS WAY
    		STREET 2:		SUITE 200
    		CITY:			SALT LAKE CITY
    		STATE:			UT
    		ZIP:			84109
    		BUSINESS PHONE:		(801) 990-0520

    	MAIL ADDRESS:
    		STREET 1:		2749 E. PARLEYS WAY
    		STREET 2:		SUITE 200
    		CITY:			SALT LAKE CITY
    		STATE:			UT
    		ZIP:			84109
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