HARRISON ROBERT GARDNER

PrivateCIK: 1421563
Location

SALT LAKE CITY, UT

HARRISON ROBERT GARDNER (Chief Information Officer) sold 6.8% of their position (6.53K shares) of SERA PROGNOSTICS, INC. on the open market

Open‑market sale worth $17.1K — a moderate reduction. 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
-6.53K
Net shares
Net seller
$17.1K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
6.53K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

6.53K

Price / share

$2.62

Trade value

$17.10K

% of position

6.8%
11/10/2025
95.93K89.40K
Total

Net shares

6.53K

Net value

-$17.10K

Derivative Transactions0
No derivative transactions reported
HARRISON ROBERT GARDNER — Insider Transaction (Form 4) Filed Nov 12, 2025 | Finecho