Matthew Paul Duffy, president of Neptune Insurance Holdings Inc. ($NP), sold 53,639 shares of $NP on October 8, 2026, at $27.8825 per share, for total proceeds of $1,495,589. The open-market sale was reported on a Form 4 filed October 9, one day after the trade. After the transaction, Duffy held 1,910,600 shares.
The October 8 sale was one of three $NP dispositions Duffy reported in early October. On the same day, he also sold 30,802 shares at $28.467 per share, a transaction worth $876,841. Two days earlier, on October 6, he sold 41,392 shares at $27.1542 per share for $1,123,967, in a filing dated October 7. Across the three open-market sales, Duffy sold 125,833 shares for combined proceeds of $3,496,397. $NP's last recorded close before the sales was $27.12 on October 5.
Other $NP insiders reported sales during 2026. CFO James Steiner sold 42,988 shares at $31.0755 on August 12 and 57,012 shares at $31.7121 on August 13, transactions worth $1,335,874 and $1,807,970 respectively. Both were reported on a Form 4 filed September 16, 35 and 34 days after the trades. Two 10% holders, FTV VII, L.P. and BSIV Hold 101, LP, reported combined sales of 9,841,395 shares at $26.40 per share on May 15, 2026 (5,252,044 by FTV VII, L.P. and 4,589,351 by BSIV Hold 101, LP), plus additional combined sales of 1,476,209 shares at $26.40 on May 19. BSIV Hold 101, LP also reported a sale of 1,632,160 shares at $33.22 on July 29 for $54,220,355.
Earlier $NP filings also recorded open-market purchases. CEO Trevor R. Burgess bought 50,000 shares at $18.7069 on March 13, 2026, for $935,345, and another 50,000 shares at $20.00 on October 2, 2025. CFO James Steiner bought 119,050 shares at $20.00 on October 2, 2025, for $2,381,000. Director Michael Warren Vostrizansky bought 23,000 shares at $21.4963 on February 20, 2026, and director Jonathan Winant Carlon bought 5,000 shares at $20.00 on October 2, 2025. The two 10% holders also reported sales on October 1, 2025: FTV VII, L.P. sold 678,019 shares and BSIV Hold 101, LP sold 820,123 shares, each at $18.75.
For 2026, the $NP Form 4 record includes the October sales by Duffy, the August sales by Steiner, the May and July block sales by FTV VII, L.P. and BSIV Hold 101, LP, and the purchases reported by Burgess, Vostrizansky, and Carlon. Duffy's October 8 sale was the largest open-market $NP transaction reported in October, at $1,495,589. Neptune Insurance Holdings is classified in the insurance sector.