William F. Griffin Jr. is a corporate insider at ARGAN INC (AGX). Griffin has reported 9 insider filings with the SEC since 2024. The most recent filing was in June 2026.
Every role William F. Griffin Jr. 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.
ARGAN INC (AGX)2 filingsUpdated Aug 31, 2026
William F. Griffin Jr. files SEC Form 4 reports at ARGAN INC (AGX). 9 SEC Form 4 filings on record going back to 2024, most recently on 23 June 2026. Most recent open-market trade: sold $15.21M of AGX on 23 June 2026. Lifetime open-market sales: $70.18M.
Every recent SEC Form 4 transaction William F. Griffin Jr. has reported, most recent first.
InsiderAlpha's records for William F. Griffin Jr. go back to 2024: 9 primary Form 4 filings, an average of 3.0 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 William F. Griffin Jr. 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:
William F. Griffin Jr. is a corporate insider of ARGAN INC (AGX). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, 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 4 open-market sales ($70.18M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$AGX ARGAN INC50.0K shares @ $643.46$32.17M