AERTS AUSTIN

PrivateCIK: 1979974
Location

SALT LAKE CITY, UT

AERTS AUSTIN (Chief Financial Officer) sold 0.3% of their position (873.00 shares) of SERA PROGNOSTICS, INC. on the open market

Open‑market sale worth $2.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderAERTS AUSTINCIK 1979974
IssuerSERA PROGNOSTICS, INC.CIK 1534969
Officer· Chief Financial Officer
Since Mar 2026
-873.00
Net shares
Net seller
$2.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
873.00 disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

873.00

Price / share

$3.31

Trade value

$2.89K

% of position

0.3%
12/10/2025
273.09K272.21K
Total

Net shares

873.00

Net value

-$2.89K

Derivative Transactions0
No derivative transactions reported
AERTS AUSTIN — Insider Transaction (Form 4) Filed Dec 11, 2025 | Finecho