Insiders who reported open-market trades in the last 12 months at the companies David A. Difillippo 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.
David Martin Katz - $349K in UNF purchases and sales in the last 12 months
David A. Difillippo is a corporate insider, tracked as Retired EVP of Operations of UNIFIRST CORP (UNF). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did David A. Difillippo last file a Form 4?
The most recent primary Form 4 on record is dated 7 January 2026, one of 4 filings going back to 2024.
David A. Difillippo is Retired EVP of Operations of UNIFIRST CORP (UNF). 4 SEC Form 4 filings on record going back to 2024, most recently on 7 January 2026.
Recent transactions
8
The latest 8 SEC Form 4 transactions reported by David A. Difillippo.
InsiderAlpha's records for David A. Difillippo go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
