Transaction · 0001628280-26-064911

Duffy Matthew Paul

Duffy Matthew Paul, PRES, CRO, reported an open-market or private sale at Neptune Insurance Holdings Inc. involving 38537.000000 shares for an estimated $1065393.90. Reported holdings after the transaction were 2006831.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES, CRO
NPNeptune Insurance Holdings Inc.
Filing timeOct 05
Trade dateOct 02, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded1.88%Shares sold ÷ (holdings after + shares sold). Estimated position before: 2,045,368 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$27.12
Pre-filing
1mo ago1w ago +1.4%1d ago +0.4%
Returns since
7d30d90d180d1y

NP price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
NP since 2026-10-05Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-064911
Class A Common Stock
Transaction date
Oct 02, 2026
Filed Oct 05, 2026, 08:07 PM · 3d delay
Shares
38.5k sh
$27.65 per share
Estimated value
-$1.06M
Computed from shares × price
Holdings after
2.00M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Sale 10b5-1 Detected
-4score
Filing-only score

-4

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President & Chief Risk Officer

Officer YesDirector No10% NoOther Yes
Footnotes & amended
  1. F1

    The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.36 to $28.31, inclusive. The Reporting Person undertakes to provi…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.39 to $28.70, inclusive. The Reporting Person undertakes to provi…

Original filing · 0001628280-26-064911
Related transactions

0 other filings

Same reporting owner
Recent company activity

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