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Brian J. Porter

Director

Brian J. Porter (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in State Street Corporation (STT). Across 1 priced purchase filing, the average 21-session return was +3.7% from execution and +11.3% from disclosure (delay-adjusted; derived). The largest single filing was $312K of STT (2,500 sh × $124.99, as filed), executed Mar 5.

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Return, ttmiAverage return per filing, trailing twelve months
+3.7%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+11.3%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
4d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$312K
shares × price, as filed
Last traded
Mar 5
Filed Mar 9

Median ADV $415.1M across their filed names

Open performance
Volume by month
$312K$156K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2026 · buys $312K
Buys $312K Sells $0

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

Sectors filed on
Financial Services 1 filing

Sector per market data · by filing · past 12 months

Most traded names
STT State Street Corporation STT · 1 buy · 0 sells 1 filing
Recent filings
STTPURCHASE State Street Corporation View filing → $312K
2,500 sh × $124.99
Exec Mar 5
Filed Mar 9 · 4:00 PM ET