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Insider

Matthew Charles Brown

Chief Financial Officer

Matthew Charles Brown (Chief Financial Officer) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in ALTR. Across 1 priced purchase filing, the average 21-session return was +45.7% from execution and +41.9% from disclosure (delay-adjusted; derived). The largest single filing was $258K of TENB (12,000 sh × $21.54, as filed), executed May 4.

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Return, ttmiAverage return per filing, trailing twelve months
+45.7%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+41.9%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$258K
shares × price, as filed
Last traded
May 4
Filed May 5
Open performance
Volume by month
$425K$213K$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $114KFeb 2025 · sells $425KMay 2026 · buys $258K
Buys $258K Sells $539K

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Not on file 1 filing

Sector per market data · by filing · past 12 months

Most traded names
ALTR ALTR ALTR · 0 buys · 2 sells 2 filings TENB TENB TENB · 1 buy · 0 sells 1 filing
Recent filings
TENBPURCHASE Tenable Holdings, Inc. View filing → $258K
12,000 sh × $21.54
Exec May 4
Filed May 5 · 4:03 PM ET
ALTRSALE Altair Engineering Inc. View filing → $425K
3,811 sh × $111.53
Exec Feb 26 2025
Filed Feb 27 2025 · 5:30 PM ET
ALTRSALE Altair Engineering Inc. View filing → $114K
1,048 sh × $108.90
Exec Dec 23 2024
Filed Dec 26 2024 · 5:30 PM ET