Douglas T. Dietrich holds the role of Director at KENNAMETAL INC (KMT). Dietrich's filing history also covers MINERALS TECHNOLOGIES INC (MTX). Dietrich has reported 10 insider filings with the SEC since 2025. The most recent filing was in May 2026.
Every role Douglas T. Dietrich has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
KENNAMETAL INC (KMT)2 filingsUpdated Aug 30, 2026
Douglas T. Dietrich is Director of KENNAMETAL INC (KMT). 12 SEC Form 4 filings on record going back to 2025, most recently on 26 August 2026. Most recent open-market trade: sold $1.76M of MTX on 18 May 2026. Lifetime open-market sales: $1.76M.
Every recent SEC Form 4 transaction Douglas T. Dietrich has reported, most recent first.
InsiderAlpha's records for Douglas T. Dietrich go back to 2025: 12 primary Form 4 filings, an average of 6.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Douglas T. Dietrich 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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Douglas T. Dietrich is a corporate insider, tracked as Director of KENNAMETAL INC (KMT). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.76M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$KMT KENNAMETAL INC25 shares @ $34.39$860