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Jason Armstrong

CFO · Comcast

Jason Armstrong (CFO) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Comcast Corporation (CMCSA). The largest single filing was $143K of CMCSA (4,494 sh × $31.74, as filed), executed Mar 5. Data as of Nov 8 2026.

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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
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$143K
shares × price, as filed
Last traded
Mar 5
Filed Mar 6

Median ADV $881.3M across their filed names

Open performance→
Volume by month
$143K$71K$0Dec 2024Jun 2025Dec 2025Jun 2026Mar 2026 · sells $143K
Buys $0 Sells $143K

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

Sectors filed on
Communication Services 1 filing

Sector per market data · by filing · past 12 months

Most traded names
CMCS Comcast Corporation CMCSA · 0 buys · 1 sell 1 filing
Recent filings
CMCSASALE Comcast Corporation View filing → $143K
4,494 sh × $31.74
Exec Mar 5
Filed Mar 6 · 5:30 PM ET
CMCSASALE Comcast Corporation View filing → $1.0M
23,248 sh across 2 lots
Exec Nov 6 2024
Filed Nov 7 2024 · 5:30 PM ET