WALDRON RICHARD A

PrivateCIK: 1226961
Location

SAN MATEO, CA

WALDRON RICHARD A (Chief Financial Officer) reported 1 transaction at BIOATLA, INC.

Review the transaction codes below to understand the nature of each event.

InsiderWALDRON RICHARD ACIK 1226961
IssuerBIOATLA, INC.CIK 1826892
Officer· Chief Financial Officer
Since Dec 2020
-2.37K
Net shares
Net seller
$2.1K
Total sold
0
Open market trades
0B · 0S
1
Total transactions
2.37K disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

2.37K

Price / share

$0.90

Trade value

$2.14K

% of position

0.7%
11/30/2025
348.52K346.15K
Total

Net shares

2.37K

Net value

-$2.14K

Derivative Transactions0
No derivative transactions reported
WALDRON RICHARD A — Insider Transaction (Form 4) Filed Dec 1, 2025 | Finecho