Brown Matthew Charles
- SEC CIK
- 0001766979
In the past year, 1 open-market purchase filing worth $258.5K and no sales.
Current role at each company
- TENB Tenable Holdings, Inc.Chief Financial Officeras of Aug 25, 2026
- ALTR Altair Engineering Inc.Chief Financial Officeras of Mar 26, 2025
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $258.5K
- 1 filing
- Sold
- –
- 0 filings
- Net
- +$258.5K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Brown Matthew Charles as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
TENB Tenable Holdings, Inc.
Chief Financial Officer1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2026 (view filing) | May 4 | 1 day | Brown Matthew CharlesChief Financial Officer | PPurchase | +12.0K | $21.54 | +$258.5K | +64.7%30.5K after |
ALTR Altair Engineering Inc.
Chief Financial Officer7 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 5, 2025 (view filing) | Mar 3 | 2 days | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −742 | $111.45 | −$82.7K | −1.1%68.7K after | |
| Feb 27, 2025 (view filing) | Feb 26 | 1 day | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −3.81K | $111.53 | −$425.0K | −5.2%69.4K after | |
| Dec 26, 2024 (view filing) | Dec 23 | 3 days | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −1.05K | $108.90 | −$114.1K | −1.9%55.5K after | |
| Mar 5, 2024 (view filing) | Mar 4 | 1 day | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −883 | $85.32 | −$75.3K | −1.8%47.9K after | |
| Feb 29, 2024 (view filing) | Feb 28 | 1 day | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −4.36K | $83.65 | −$365.0K | −8.2%48.7K after | |
| Mar 3, 2023 (view filing) | Mar 1 | 2 days | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −3.48K | $63.84 | −$222.0K | −9.1%34.6K after | 3 lots |
| Mar 9, 2022 (view filing) | Mar 7 | 2 days | Brown Matthew CharlesChief Financial Officer | SSaleClass A Common Stock | −2.30K | $64.55 | −$148.3K | −9.2%22.8K after |