Paul Kearney - 02 Dec 2025 Form 4 Insider Report for SERA PROGNOSTICS, INC. (SERA)

Reporting relationship: Chief Data Officer
Issuer ticker: SERA
Reported as of: 02 Dec 2025
Net transaction value: -$42,508
SEC form: 4
Accepted by SEC: 03 Dec 2025, 16:14:21 UTC
Prior SEC filing: 26 Nov 2025
Next SEC filing: 11 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Benjamin G. Jackson, Attorney-in-fact

Key filing fact

Paul Kearney filed Form 4 for SERA PROGNOSTICS, INC. (SERA) on 03 Dec 2025.

Key facts

This page summarizes Paul Kearney's Form 4 filing for SERA PROGNOSTICS, INC. (SERA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Dec 2025, 16:14.

Change

Previous filing in this sequence was filed on 26 Nov 2025.
Current net transaction value: -$42,508.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001888075 Primary reporting owner

Kearney Paul

Relationship: Chief Data Officer
Address: C/O SERA PROGNOSTICS, INC., 2749 EAST PARLEYS WAY, SUITE 200, SALT LAKE CITY
Signature: /s/ Benjamin G. Jackson, Attorney-in-fact
Signature date: 03 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SERA transaction

Class A Common Stock

Options Exercise

Transaction value: $52,169
Shares: +32,203
Change %: +19%
Price: $1.62
Shares after: 200,799
Date: 02 Dec 2025
Ownership: Direct
Footnotes: F1

SERA transaction

Class A Common Stock

Sale

Transaction value: $94,677
Shares: -32,203
Change %: -16%
Price: $2.94
Shares after: 168,596
Date: 02 Dec 2025
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SERA transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -32,203
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 02 Dec 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 34,189
Exercise price: $1.62
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

This Form 4 reports the exercise of an employee stock option by the Reporting Persion that was granted approximately 10 years ago and that would otherwise expire on December 11, 2025 if not exercised during the issuer's open trading window for insiders.

Footnote F2

The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.79 to $3.14, 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.

Footnote F3

The shares subject to this option are fully vested and exercisable.