Matthew Charles Brown serves as Chief Financial Officer of Tenable Holdings, Inc. (TENB). Brown has also held reporting roles at Altair Engineering Inc. (ALTR). Brown has reported 7 insider filings with the SEC since 2024. The most recent filing was in May 2026.
Every role Matthew Charles Brown 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.
Updated Aug 30, 2026
Matthew Charles Brown is Chief Financial Officer of Tenable Holdings, Inc. (TENB). 8 SEC Form 4 filings on record going back to 2024, most recently on 25 August 2026. Most recent open-market trade: bought $258K of TENB on 5 May 2026. Lifetime open-market purchases: $258K. Lifetime open-market sales: $114K.
Every recent SEC Form 4 transaction Matthew Charles Brown has reported, most recent first.
InsiderAlpha's records for Matthew Charles Brown go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. The typical open-market purchase is $258K (1 buy totaling $258K). The largest single buy on record is $258K of TENB in 2026. Sales side: 1 recorded sale totaling $114K, so the filing history runs buy-heavy by dollar value. 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 Matthew Charles Brown 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:
Matthew Charles Brown is a corporate insider, tracked as Chief Financial Officer of Tenable Holdings, Inc. (TENB). InsiderAlpha holds 8 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.
Recorded transactions: 1 open-market purchase ($258K) and 1 open-market sale ($114K) 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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5.2K shares @ $25.17$131K