HARRISON ROBERT GARDNER

PrivateCIK: 1421563
Location

SALT LAKE CITY, UT

HARRISON ROBERT GARDNER (Chief Information Officer) sold 0.9% of their position (716.00 shares) of SERA PROGNOSTICS, INC. on the open market

Open‑market sale worth $1.5K — 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
-716.00
Net shares
Net seller
$1.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
716.00 disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

716.00

Price / share

$2.04

Trade value

$1.46K

% of position

0.9%
3/11/2026
77.43K76.71K
Total

Net shares

716.00

Net value

-$1.46K

Derivative Transactions0
No derivative transactions reported
HARRISON ROBERT GARDNER — Insider Transaction (Form 4) Filed Mar 12, 2026 | Finecho