Robert Gardner Harrison - Mar 23, 2022 Form 4 Insider Report for SERA PROGNOSTICS, INC. (SERA)

Role: Chief Information Officer
Signature: /s/ Benjamin G. Jackson, Attorney-in-fact
Stock symbol: SERA
Transactions as of: Mar 23, 2022
Transactions value $: $0
Form type: 4
Date filed: 3/25/2022, 04:34 PM
Previous filing: Nov 1, 2021
Next filing: Mar 7, 2023

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	+33.7K		$0.00	33.7K	Mar 23, 2022	Class A Common Stock	33.7K	$3.75	Direct	F1

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

Explanation of Responses:

Id	Content
F1	These stock options vest over four years beginning on the grant date of March 23, 2022 as follows: 15% of the original grant amount vests in equal monthly installments over the first year following the grant date, 20% of the original grant amount vests in equal monthly installments over the second year following the grant date, 25% of the original grant amount vests in equal monthly installments over the third year following the grant date, and 40% of the original grant amount vests in equal monthly installments over the fourth year following the grant date, subject to the reporting person continuing to provide services to the issuer.

Content

These stock options vest over four years beginning on the grant date of March 23, 2022 as follows: 15% of the original grant amount vests in equal monthly installments over the first year following the grant date, 20% of the original grant amount vests in equal monthly installments over the second year following the grant date, 25% of the original grant amount vests in equal monthly installments over the third year following the grant date, and 40% of the original grant amount vests in equal monthly installments over the fourth year following the grant date, subject to the reporting person continuing to provide services to the issuer.