Brown Matthew Charles insider trades
Brown Matthew Charles has filed 29 Form 4s with the SEC that we hold, for ALTR (Chief Financial Officer) and Tenable Holdings, Inc. (TENB) (Chief Financial Officer). Across all of them we count 1 purchase worth $258.5K and 9 sales worth $1.4M reported on Form 4. In the last 12 months: 1 purchase ($258.5K) and 0 sales ($0). The largest single trade was a sale of 3,811 shares of ALTR worth $425.0K, dated 2025-02-26. The first filing on our record is dated 2022-01-19 and the latest 2026-08-25.
ALTR
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-03-07 | S, sale reported on Form 4 | 2,298 | $148.3K | 2022-03-09 |
| 2023-03-01 | S, sale reported on Form 4 | 348 | $22.2K | 2023-03-03 |
| 2023-03-01 | S, sale reported on Form 4 | 2,173 | $138.7K | 2023-03-03 |
| 2023-03-01 | S, sale reported on Form 4 | 956 | $61.0K | 2023-03-03 |
| 2024-02-28 | S, sale reported on Form 4 | 4,363 | $365.0K | 2024-02-29 |
| 2024-03-04 | S, sale reported on Form 4 | 883 | $75.3K | 2024-03-05 |
| 2024-12-23 | S, sale reported on Form 4 | 1,048 | $114.1K | 2024-12-26 |
| 2025-02-26 | S, sale reported on Form 4 | 3,811 | $425.0K | 2025-02-27 |
| 2025-03-03 | S, sale reported on Form 4 | 742 | $82.7K | 2025-03-05 |
Tenable Holdings, Inc. (TENB)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-05-04 | P, purchase reported on Form 4 | 12,000 | $258.5K | 2026-05-05 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1766979) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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