Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Irwin Katsof 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.
- Marcelo Fischer - $2.03M in IDT purchases and sales in the last 12 months
- Menachem Ash - $1.53M in IDT purchases and sales in the last 12 months
- Joyce J. Mason - $632K in IDT purchases and sales in the last 12 months
- Bill Pereira - $373K in IDT purchases and sales in the last 12 months
- Mitch Silberman - $268K in IDT purchases and sales in the last 12 months
- Avi Goldin - $175K in GNE purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Irwin Katsof?
Irwin Katsof is a corporate insider of IDT CORP (IDT). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Irwin Katsof last file a Form 4?
The most recent primary Form 4 on record is dated 15 June 2026, one of 4 filings going back to 2024.
Has Irwin Katsof been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($133K) across all tracked filings.
