HARRISON ROBERT GARDNER

PrivateCIK: 1421563
Location

SALT LAKE CITY, UT

HARRISON ROBERT GARDNER (Chief Information Officer) sold 2.0% of their position (2K shares) of SERA PROGNOSTICS, INC. on the open market

Open‑market sale worth $6.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHARRISON ROBERT GARDNERCIK 1421563
IssuerSERA PROGNOSTICS, INC.CIK 1534969
Officer· Chief Information Officer
Since Nov 2021
-2K
Net shares
Net seller
$6.4K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
2K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

2K

Price / share

$3.18

Trade value

$6.36K

% of position

2.0%
10/7/2025
99.93K97.93K
Total

Net shares

2K

Net value

-$6.36K

Derivative Transactions0
No derivative transactions reported
HARRISON ROBERT GARDNER — Insider Transaction (Form 4) Filed Oct 8, 2025 | Finecho