CURDA ROBERT L.

PrivateCIK: 1797979
Location

HOUSTON, TX

CURDA ROBERT L. (Chief Financial Officer) reported 1 transaction at GEOSPACE TECHNOLOGIES CORP

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

InsiderCURDA ROBERT L.CIK 1797979
Officer· Chief Financial Officer
Since Jan 2020
-165.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
165.00 disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

165.00

Price / share

Trade value

% of position

0.3%
12/5/2025
61.28K61.11K
Total

Net shares

165.00

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
CURDA ROBERT L. — Insider Transaction (Form 4) Filed Dec 5, 2025 | Finecho