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Michael Warren Vostrizansky

Director

Michael Warren Vostrizansky (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in Neptune Insurance Holdings Inc. (NP). Across 1 priced purchase filing, the average 21-session return was +3.5% from execution and +9.1% from disclosure (delay-adjusted; derived). The largest single filing was $494K of NP (23,000 sh × $21.50, as filed), executed Feb 20.

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Return, ttmiAverage return per filing, trailing twelve months
+3.5%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+9.1%
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
$494K
shares × price, as filed
Last traded
Feb 20
Filed Feb 24

Median ADV $26.4M across their filed names

Open performance→
Volume by month
$494K$247K$0Oct 2024Apr 2025Oct 2025Apr 2026Feb 2026 · buys $494K
Buys $494K 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
NP Neptune Insurance Holdings Inc. NP · 1 buy · 0 sells 1 filing
Recent filings
NPPURCHASE Neptune Insurance Holdings Inc. View filing → $494K
23,000 sh × $21.50
Exec Feb 20
Filed Feb 24 · 6:36 PM ET