John Antalek
EVP and CLO · GREENE COUNTY BANCORP INC
IndividualBuying only
- 2025
- Nov 19, 2025
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Antalek files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michelle M. Plummer - $288K in GCBC purchases and sales in the last 12 months
- Tejraj S. Hada - $268K in GCBC purchases and sales in the last 12 months
- John Brust - $100K in GCBC purchases and sales in the last 12 months
- Jay P. Cahalan - $98K in GCBC purchases and sales in the last 12 months
- Peter W. Hogan - $66K in GCBC purchases and sales in the last 12 months
- Christopher Cannucciari - $54K in GCBC purchases and sales in the last 12 months
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Frequently asked questions
Who is John Antalek?
John Antalek is a corporate insider, tracked as EVP and CLO of GREENE COUNTY BANCORP INC (GCBC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John Antalek last file a Form 4?
The only primary Form 4 on record is dated 19 November 2025.
Has John Antalek been buying or selling stock?
Recorded transactions: 1 open-market purchase ($33K) and 0 open-market sales across all tracked filings.
