Updated Jul 16, 2026
Brown Matthew Charles has filed 2 SEC Form 4 filings across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $258K. Lifetime open-market sales: $114K.
Matthew Charles Brown is a corporate executive known for his role as Chief Financial Officer at Tenable Holdings, Inc. and Altair Engineering Inc. He has been involved in financial management within the technology sector, particularly in cybersecurity and engineering.
| Role | Chief Financial Officer |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-26 | TENB | Tenable Holdings, Inc. | F — Tax withholding / forfeiture | 5.2K | $25.17 | $131K |
| 2026-05-26 | TENB | Tenable Holdings, Inc. | M — Option exercise | 14.5K | $0.00 | |
| 2026-05-05 | TENB | Tenable Holdings, Inc. | P — Open-market purchase | 12.0K | $21.54 | $258K |
| 2026-02-25 | TENB | Tenable Holdings, Inc. | F — Tax withholding / forfeiture | 5.3K | $17.55 | $92K |
| 2026-02-25 | TENB | Tenable Holdings, Inc. | M — Option exercise | 14.5K | $0.00 | |
| 2024-12-26 | ALTR | Altair Engineering Inc. | S — Open-market sale | 1.0K | $108.90 | $114K |
Matthew Charles Brown is a corporate executive known for his role as Chief Financial Officer at Tenable Holdings, Inc. and Altair Engineering Inc. He has been involved in financial management within the technology sector, particularly in cybersecurity and engineering.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($258K) and 1 open-market sales ($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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