Jon Kevin Griffin serves as Director of Main Street Capital CORP (MAIN). Griffin has reported 16 insider filings with the SEC since 2024. The most recent filing was in August 2026.
Every role Jon Kevin Griffin 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.
Main Street Capital CORP (MAIN)1 filingUpdated Aug 30, 2026
Jon Kevin Griffin is Director of Main Street Capital CORP (MAIN). 16 SEC Form 4 filings on record going back to 2024, most recently on 14 August 2026.
Every recent SEC Form 4 transaction Jon Kevin Griffin has reported, most recent first.
InsiderAlpha's records for Jon Kevin Griffin go back to 2024: 16 primary Form 4 filings, an average of 5.3 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 Jon Kevin Griffin 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:
Jon Kevin Griffin is a corporate insider, tracked as Director of Main Street Capital CORP (MAIN). InsiderAlpha holds 16 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
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.
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
$MAIN Main Street Capital CORP296 shares @ $51.56$15K