Insiders who reported open-market trades in the last 12 months at the companies Mauro Gregorio 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.
Mauro Gregorio is a corporate insider, tracked as Director of GRAHAM CORP (GHM). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mauro Gregorio submitted recently?
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Mauro Gregorio been buying or selling stock?
Recorded transactions: 2 open-market purchases ($118K) and 0 open-market sales across all tracked filings.
Mauro Gregorio is Director of GRAHAM CORP (GHM). 11 SEC Form 4 filings on record going back to 2024, most recently on 21 September 2026. Most recent open-market trade: bought $59K of GHM on 21 September 2026. Lifetime open-market purchases: $118K.
Recent transactions
9
The latest 9 SEC Form 4 transactions reported by Mauro Gregorio.
InsiderAlpha's records for Mauro Gregorio go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. The typical open-market purchase is $59K (2 buys totaling $118K). The largest single buy on record is $59K of GHM in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
