Matthew Paul Duffy, president of Neptune Insurance Holdings Inc. ($NP), sold 41,392 shares on October 6, 2026. The open-market sale cleared at $27.1542 per share, for $1,123,966.65. Duffy filed the Form 4 on October 7, one day after the trade. His reported stake after the sale was 1,964,239 shares.
$NP, an insurance holding company with a market capitalization of roughly $3.74 billion, recorded multiple insider transactions during 2026. The October 6 sale is the only transaction for Duffy in the database, and no earlier Form 4 filings are on record under his CIK.
Chief financial officer James Steiner was another $NP seller during the year. He sold 42,988 shares on August 12 at $31.0755 per share, totaling $1,335,873.59, and 57,012 shares on August 13 at $31.7121 per share, totaling $1,807,970.25. Both of Steiner's sales were reported in a September 16 filing, more than a month after the second trade.
Before that, 10% owner BSIV Hold 101, LP sold 1,632,160 shares on July 29 at $33.22 per share, for $54,220,355.20. Larger block sales took place in May 2026. BSIV Hold 101, LP sold 4,589,351 shares on May 15 at $26.40 per share, for $121,158,866.40, and 688,403 shares on May 19 at $26.40, for $18,173,839.20. FTV VII, L.P. sold 5,252,044 shares on May 15 at $26.40, for $138,653,961.60, and 787,806 shares on May 19 at $26.40, for $20,798,078.40.
Purchases also showed up in $NP's recent Form 4 history. Chief executive officer Trevor R Burgess bought 50,000 shares on March 13, 2026, at $18.7069 per share, for $935,345. Director Michael Warren Vostrizansky bought 23,000 shares on February 20, 2026, at $21.4963 per share, for $494,414.90.
In late 2025, several insiders bought shares on October 2 at $20.00 per share. Burgess bought 50,000 shares for $1,000,000, Steiner bought 119,050 shares for $2,381,000, and director Jonathan Winant Carlon bought 5,000 shares for $100,000. Those purchases were reported in a November 14, 2025 filing.
The two 10% owners were also selling in October 2025. FTV VII, L.P. sold 678,019 shares on October 1, 2025, at $18.75 per share, for $12,712,856.25. BSIV Hold 101, LP sold 820,123 shares the same day at $18.75, for $15,377,306.25. Across the May and October block transactions, BSIV Hold 101, LP and FTV VII, L.P. reported combined sales of more than $326 million.
Duffy's per-share price of $27.1542 compared with $31.0755 and $31.7121 in Steiner's August sales, $26.40 in the May block sales, and $18.75 in the October 2025 owner sales.