John Antalek

GCBC

John Antalek serves as EVP and CLO at Greene County Bancorp, Inc. (GCBC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$33.0K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$33.0K

Companies Traded

GCBC

Active Period

Nov 2025

1 total trades

Most Recent

Buy GCBC

Nov 18, 2025 · $33.0K

John Antalek's Insider Trading at Greene County Bancorp, Inc. (GCBC)

Buys

1 · $33.0K

Sells

0 · $0.00

Total Shares Bought

1,500

Total Shares Sold

GCBC Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Nov 18, 2025	Buy	1,500	$22.00	$33.0K	0

Related Insiders

John Brust

director

GCBCBuy · Apr 28, 2026

Tejraj S Hada

Director

GCBCBuy · Mar 18, 2026

Peter W. Hogan

director

GCBCBuy · Mar 18, 2026

Nick Barzee

officer: SVP and CFO

GCBCBuy · Mar 5, 2026

Christopher Cannucciari

Director

GCBCBuy · Mar 3, 2026

Donald E Gibson

President and CEO

GCBCBuy · Oct 29, 2025

Jay P. Cahalan

Director

GCBCBuy · Oct 24, 2025

Explore More Insider Trading Data

GCBC Insider Trading Activity

View all insider trades at Greene County Bancorp, Inc.

Financial Services Sector Insider Trades

See insider activity across financial services stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity