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Insider

Matthew D Kaufman

Chief Safety Officer

Matthew D Kaufman (Chief Safety Officer) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in Roblox Corporation (RBLX). The largest single filing was $2.2M of RBLX (30,034 sh across 2 lots, as filed), executed Feb 10.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
10
0 buys · 10 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$9.0M
shares × price, as filed
Last traded
Aug 20
Filed Aug 24

Median ADV $464.8M across their filed names

Open performance
Volume by month
$3.2M$1.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Apr 2025 · sells $348KMay 2025 · sells $2.4MJun 2025 · sells $1.2MJul 2025 · sells $1.3MAug 2025 · sells $3.2MSep 2025 · sells $1.6MOct 2025 · sells $810KNov 2025 · sells $3.2MFeb 2026 · sells $3.1MApr 2026 · sells $766KMay 2026 · sells $579KAug 2026 · sells $566K
Buys $0 Sells $19.1M

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

Sectors filed on
Communication Services 9 filings

Sector per market data · by filing · past 12 months

Most traded names
RBLX Roblox Corporation RBLX · 0 buys · 21 sells 21 filings
Recent filings
RBLXSALE Roblox Corporation View filing → $566K
14,904 sh across 2 lots
Exec Aug 20
Filed Aug 24 · 4:40 PM ET
RBLXSALE Roblox Corporation View filing → $579K
12,756 sh × $45.36
Exec May 20
Filed May 22 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $766K
13,225 sh × $57.94
Exec Apr 13
Filed Apr 15 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $872K
14,177 sh across 2 lots
Exec Feb 20
Filed Feb 24 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $2.2M
30,034 sh across 2 lots
Exec Feb 10
Filed Feb 11 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $1.9M
20,207 sh across 5 lots
Exec Nov 20 2025
Filed Nov 24 2025 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $609K
6,000 sh × $101.48
Exec Nov 6 2025
Filed Nov 10 2025 · 5:30 PM ET
RBLXSALE Roblox Corporation View filing → $678K
6,000 sh × $112.99
Exec Nov 3 2025
Filed Nov 5 2025 · 5:30 PM ET
More filings →