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Who

Michael Warren Vostrizansky

Director

Company insider

Files Form 4 as: Director, Neptune Insurance Holdings.

In numbers

Trades disclosed
2
Buys
1
Sells
0
Bought
$989K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
20 Feb 2026
Last trade
20 Feb 2026
Last filed
24 Feb 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
NP Neptune Insurance HoldingsDirector · Insurance · last 20 Feb 20261 buy · 0 sells

Activity over time

1 Feb – 1 Oct
01Feb 26Apr 26Jun 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 Feb 2026filed 24 Feb 2026NP Neptune Insurance HoldingsInsuranceSEC FORM 4 Bought$494K23,000 at $21.50filing
20 Feb 2026filed 24 Feb 2026NP Neptune Insurance HoldingsInsuranceSEC FORM 4 Bought$495K23,000 at $21.50filing

Sectors

Financials1

Buys in green, sells in red, by the company’s sector.

Related people

Matthew Paul DuffyPresident & Chief Risk Officer · President & Chief Risk Officer at Neptune Insurance Holdings, filing Form 4 there in the last year
Cristian A. MelejDirector · Director at Neptune Insurance Holdings, filing Form 4 there in the last year
James SteinerChief Financial Officer · Chief Financial Officer at Neptune Insurance Holdings, filing Form 4 there in the last year
David Stanley Edward NobleDirector · Director at Neptune Insurance Holdings, filing Form 4 there in the last year
Jonathan Winant CarlonDirector · Director at Neptune Insurance Holdings, filing Form 4 there in the last year
BSIV Hold 101, LP10% owner · Also traded NP in the last 90 days
FTV VII, L.P.10% owner · Also traded NP in the last 90 days