Robert Gardner Harrison - 06 Mar 2023 Form 4 Insider Report for SERA PROGNOSTICS, INC. (SERA)

Role: Chief Information Officer
Signature: /s/ Benjamin G. Jackson, Attorney-in-fact
Issuer symbol: SERA
Transactions as of: 06 Mar 2023
Net transactions value: $0
Form type: 4
Filing time: 07 Mar 2023, 18:50:52 UTC
Previous filing: 25 Mar 2022
Next filing: 06 Jun 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SERA	Class A Common Stock	Award	$0	+28,500		$0.000000	28,500	06 Mar 2023	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
transaction	SERA	Stock Option (right to buy)	Award	$0	+45,000		$0.000000	45,000	06 Mar 2023	Class A Common Stock	45,000	$3.80	Direct	F2

* 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 four years as follows: 1/4 of the original grant amount vests in annual installments for four years following the vesting commencement date, which is March 6, 2023, subject to the reporting person continuing to provide services to the issuer.
F2	These stock options vest over four years as follows: 1/48 of the original grant amount vests in monthly installments for four years following the vesting commencement date, which is March 6, 2023, subject to the reporting person continuing to provide services to the issuer.