John Antalek
CIK: 0002001764
Transaction Breakdown
Open Market Buys (P)1 (100.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GCBC
GREENE COUNTY BANCORP INC
Officer
Discretionary Trading P&L
Holdings
About Antalek John
Antalek John (SEC CIK 0002001764) files insider reports with the SEC as EVP and CLO of GREENE COUNTY BANCORP INC (GCBC).
Signal8 holds 1 ownership filing by Antalek John, a Form 4, filed on Nov 19, 2025. Those filings report 1 transaction, the latest on Nov 18, 2025. Signal8's Form 4 history starts in Sep 2024.
The business address on Antalek John's filings is in CATSKILL, NY.
Recent filings by Antalek John
- Nov 18, 2025: Open-market purchase of GCBC shares (Form 4, code P).
Other insiders filing for GREENE COUNTY BANCORP INC (GCBC)
- PLUMMER MICHELLE M, Director
- Brust John, Director
- Hogan Peter W., Director
- Hada Tejraj S, Director
- Barzee Nick, SVP and CFO
- Cannucciari Christopher, Director