NYSE · CIK 0002067129
NP Neptune Insurance Holdings Inc.
Insider trading from SEC Form 4. Last filing 4 d ago. Close $28.74 on Oct 9, 2026, +68% from the 52-week low and -18% from the high.
In brief
Neptune Insurance Holdings Inc. (NP) has 31 SEC Form 4 filings on file from 9 insiders, the latest filed on Oct 9, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 8 open-market sells worth $129M, net -$129M.
17 open-market trades have been scored at NP. The newest: Matthew Paul Duffy (President & Chief Risk Officer) sold $2.4M of stock on Oct 8, 2026, filed Oct 9, 2026, scored 25 (weak), under a 10b5-1 plan. The largest of the 17 shown: Ftv Vii, L.p. (10% owner) sold $159M on May 15, 2026, scored 55 (moderate). 3 insiders sold within 14 days of each other around Aug 12, 2026.
5 Form 144 notices of planned sales are on file, the latest filed Oct 2, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Neptune Insurance Holdings Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 25Weak | Matthew Paul Duffy President & Chief Risk Officer sell | $2.4M 84,441 shares | -4% | +66% from low-19% from high | |
| 25Weak | Matthew Paul Duffy President & Chief Risk Officer sell | $1.1M 41,392 shares | -2% | +59% from low-23% from high | |
| 25Weak | Matthew Paul Duffy President & Chief Risk Officer sell | $1.1M 39,737 shares | -2% | +60% from low-22% from high | |
| 62Notable | James Steiner Chief Financial Officer sell | $3.1M 100,000 shares | -2% | +80% from low-12% from high | |
| 40Moderate | Jonathan Winant Carlon director sell | $1.6M 50,000 shares | -8% | - | |
| 62Notable | James Steiner Chief Financial Officer sell | $3.1M 100,000 shares | -3% | +80% from low-12% from high | |
| 57Moderate | BSIV Hold 101, LP owner sell | $54M 1,632,160 shares | -11% | +105% from low0% from high | |
| 57Moderate | Ftv Vii, L.p. owner sell | $62M 1,867,840 shares | -11% | +105% from low0% from high | |
| 55Moderate | BSIV Hold 101, LP owner sell | $139M 5,277,754 shares | -27% | +63% from low-9% from high | |
| 55Moderate | Ftv Vii, L.p. owner sell | $159M 6,039,850 shares | -27% | +63% from low-9% from high | |
| 53Moderate | Trevor R Burgess CEO & Chairman of the Board buy | $935k 50,000 shares | +2% | +28% from low-28% from high | |
| 49Moderate | Michael Warren Vostrizansky director buy | $494k 23,000 shares | - | +24% from low-30% from high | |
| 65Notable | Trevor R Burgess CEO & Chairman of the Board buy | $1.0M 50,000 shares | +3% | +15% from low0% from high | |
| 35Weak | Jonathan Winant Carlon director buy | $100k 5,000 shares | +1% | +15% from low0% from high | |
| 62Notable | James Steiner CFO and Secretary buy | $2.4M 119,050 shares | +3% | +15% from low0% from high | |
| 45Moderate | BSIV Hold 101, LP owner sell | $15M 820,123 shares | -4% | 0% from low0% from high | |
| 45Moderate | Ftv Vii, L.p. owner sell | $13M 678,019 shares | -3% | 0% from low0% from high |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Oct 2, 2026 | MATTHEW DUFFY Officer | 165,570 0.18% of outstanding | $4.5M | Oct 2, 2026 | none |
| Sep 14, 2026 | Jonathan Winant Carlon Director of Corporate Development | 50,000 0.05% of outstanding | $1.6M | Sep 14, 2026 | none |
| Aug 12, 2026 | James Steiner Director and Chief Financial Officer | 100,000 0.11% of outstanding | $3.2M | Aug 12, 2026 | none |
| Jul 29, 2026 | BSIV HOLD 101, LP 10% Stockholder | 1,632,160 1.74% of outstanding | $54M | Jul 29, 2026 | $145M |
| Jul 29, 2026 | FTV VII, L.P. 10% Stockholder | 1,867,840 1.99% of outstanding | $62M | Jul 29, 2026 | $166M |
Transactions
The newest 50 of 76 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Matthew Paul Duffy President & Chief Risk Officer | SOpen-market sale Class A Common Stock10b5-1 | -53,639 | $27.88 | $1.5M | 1,910,600 | 4 d ago |
| Oct 8, 2026 | Matthew Paul Duffy President & Chief Risk Officer | SOpen-market sale Class A Common Stock10b5-1 | -30,802 | $28.47 | $877k | 1,879,798 | 4 d ago |
| Oct 6, 2026 | Matthew Paul Duffy President & Chief Risk Officer | SOpen-market sale Class A Common Stock10b5-1 | -41,392 | $27.15 | $1.1M | 1,964,239 | 6 d ago |
| Oct 2, 2026 | Matthew Paul Duffy President & Chief Risk Officer | SOpen-market sale Class A Common Stock10b5-1 | -38,537 | $27.65 | $1.1M | 2,006,831 | 8 d ago |
| Oct 2, 2026 | Matthew Paul Duffy President & Chief Risk Officer | SOpen-market sale Class A Common Stock10b5-1 | -1,200 | $28.48 | $34k | 2,005,631 | 8 d ago |
| Sep 30, 2026 | Matthew Paul Duffy President & Chief Risk Officer | FTax withholding Class A Common Stock | -98,381 | $27.35 | $2.7M | 1,853,472 | 11 d ago |
| Sep 30, 2026 | Jonathan Winant Carlon director | FTax withholding Class A Common Stock | -6,088 | $27.35 | $167k | 597,412 | 11 d ago |
| Sep 30, 2026 | David Stanley Edward Noble director | AGrant or award Class A Common Stock | +28,704 | $0.00 | $0 | 43,704 | 11 d ago |
| Sep 30, 2026 | Trevor R Burgess Chief Executive Officer | FTax withholding Class A Common Stock | -254,836 | $27.35 | $7.0M | 1,828,128 | 11 d ago |
| Sep 30, 2026 | James Steiner Chief Financial Officer | FTax withholding Class A Common Stock | -64,777 | $27.35 | $1.8M | 470,888 | 11 d ago |
| Sep 30, 2026 | Cristian A Melej director | AGrant or award Class A Common Stock | +9,568 | $0.00 | $0 | 69,042 | 11 d ago |
| Sep 30, 2026 | Matthew Paul Duffy President & Chief Risk Officer | AGrant or award Class A Common Stock | +191,896 | $0.00 | $0 | 2,045,368 | 11 d ago |
| Sep 30, 2026 | Jonathan Winant Carlon director | AGrant or award Class A Common Stock | +9,568 | $0.00 | $0 | 606,980 | 11 d ago |
| Sep 30, 2026 | James Steiner Chief Financial Officer | AGrant or award Class A Common Stock | +75,288 | $0.00 | $0 | 546,176 | 11 d ago |
| Sep 30, 2026 | Trevor R Burgess Chief Executive Officer | AGrant or award Class A Common Stock | +480,544 | $0.00 | $0 | 2,308,672 | 11 d ago |
| Sep 14, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stock | -3,349,050 | - | - | 535,665 | 27 d ago |
| Aug 12, 2026 | James Steiner Chief Financial Officer | SOpen-market sale Class A Common Stock | -42,988 | $31.08 | $1.3M | 4,341,727 | 27 d ago |
| Sep 9, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stock | -400,000 | - | - | 3,884,715 | 27 d ago |
| Sep 14, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stockindirect: By Self as Trustee of the Living Trust of James Edward Steiner dated July 7, 2016 | +3,349,050 | - | - | 3,749,050 | 27 d ago |
| Sep 9, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stockindirect: By Self as Trustee of the Living Trust of James Edward Steiner dated July 7, 2016 | +400,000 | - | - | 400,000 | 27 d ago |
| Aug 13, 2026 | James Steiner Chief Financial Officer | SOpen-market sale Class A Common Stock | -57,012 | $31.71 | $1.8M | 4,284,715 | 27 d ago |
| Sep 14, 2026 | Jonathan Winant Carlon director | SOpen-market sale Class A Common Stock | -50,000 | $31.15 | $1.6M | 603,500 | 28 d ago |
| Sep 9, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stock | -400,000 | - | - | 3,349,050 | 33 d ago |
| Sep 9, 2026 | James Steiner Chief Financial Officer | JOther Class A Common Stockindirect: By Self as Trustee of the Living Trust of James Edward Steiner dated July 7, 2016 | +400,000 | - | - | 400,000 | 33 d ago |
| Aug 12, 2026 | James Steiner Chief Financial Officer | SOpen-market sale Class A Common Stock | -42,988 | $31.08 | $1.3M | 3,806,062 | Aug 14, 2026 |
| Aug 13, 2026 | James Steiner Chief Financial Officer | SOpen-market sale Class A Common Stock | -57,012 | $31.71 | $1.8M | 3,749,050 | Aug 14, 2026 |
| Jul 29, 2026 | BSIV Hold 101, LP owner | SOpen-market sale Class A Common Stock | -1,632,160 | $33.22 | $54M | 12,620,558 | Jul 31, 2026 |
| Jul 29, 2026 | Ftv Vii, L.p. owner | SOpen-market sale Class A Common Stockindirect: See footnotes | -1,867,840 | $33.22 | $62M | 14,442,941 | Jul 31, 2026 |
| May 15, 2026 | Ftv Vii, L.p. owner | SOpen-market sale Class A Common Stockindirect: See footnotes | -5,252,044 | $26.40 | $139M | 17,098,587 | May 19, 2026 |
| May 15, 2026 | BSIV Hold 101, LP owner | SOpen-market sale Class A Common Stock | -4,589,351 | $26.40 | $121M | 14,941,121 | May 19, 2026 |
| May 19, 2026 | BSIV Hold 101, LP owner | SOpen-market sale Class A Common Stock | -688,403 | $26.40 | $18M | 14,252,718 | May 19, 2026 |
| May 19, 2026 | Ftv Vii, L.p. owner | SOpen-market sale Class A Common Stockindirect: See footnotes | -787,806 | $26.40 | $21M | 16,310,781 | May 19, 2026 |
| Mar 13, 2026 | Trevor R Burgess CEO & Chairman of the Board | POpen-market purchase Class A Common Stock | +50,000 | $18.71 | $935k | 2,082,964 | Mar 13, 2026 |
| Feb 20, 2026 | Michael Warren Vostrizansky director | POpen-market purchase Class A Common Stock | +23,000 | $21.50 | $494k | 23,000 | Feb 24, 2026 |
| Oct 2, 2025 | James Steiner CFO and Secretary | POpen-market purchase Class A Common Stock | +119,050 | $20.00 | $2.4M | 4,384,715 | Nov 14, 2025 |
| Oct 2, 2025 | Trevor R Burgess CEO & Chairman of the Board | POpen-market purchase Class A Common Stock | +50,000 | $20.00 | $1.0M | 2,032,964 | Nov 14, 2025 |
| Oct 2, 2025 | Jonathan Winant Carlon director | POpen-market purchase Class A Common Stock | +5,000 | $20.00 | $100k | 653,500 | Nov 14, 2025 |
| Oct 2, 2025 | Trevor R Burgess CEO & Chairman of the Board | JOther Common Stockindirect: Held by Burgess Family SLAT, u/a/d March 26, 2025 | -25,039,000 | - | - | 0 | Oct 3, 2025 |
| Oct 2, 2025 | Cristian A Melej director | JOther Common Stock | -20,000 | - | - | 0 | Oct 3, 2025 |
| Oct 2, 2025 | Matthew Paul Duffy President & Chief Risk Officer | JOther Common Stock | -1,160,000 | - | - | 0 | Oct 3, 2025 |
| Oct 2, 2025 | Jonathan Winant Carlon director | JOther Common Stockindirect: Held by the JWC Irrevocable Trust | -4,599,000 | - | - | 0 | Oct 3, 2025 |
| Oct 1, 2025 | Ftv Vii, L.p. owner | SOpen-market sale Class A Common Stockindirect: See footnotes | -678,019 | $18.75 | $13M | 22,350,631 | Oct 3, 2025 |
| Oct 1, 2025 | BSIV Hold 101, LP owner | SOpen-market sale Class A Common Stock | -820,123 | $18.75 | $15M | 19,530,472 | Oct 3, 2025 |
| Oct 2, 2025 | James Steiner CFO and Secretary | JOther Common Stock | -3,730,000 | - | - | 0 | Oct 3, 2025 |
| Oct 2, 2025 | Matthew Paul Duffy President & Chief Risk Officer | JOther Class A Common Stock | +1,160,000 | - | - | 1,160,000 | Oct 3, 2025 |
| Oct 2, 2025 | Trevor R Burgess CEO & Chairman of the Board | JOther Class A Common Stockindirect: Held by Burgess Family SLAT, u/a/d March 26, 2025 | +25,039,000 | - | - | 25,039,000 | Oct 3, 2025 |
| Oct 2, 2025 | Jonathan Winant Carlon director | JOther Class A Common Stockindirect: Held by the JWC Irrevocable Trust | +4,599,000 | - | - | 4,599,000 | Oct 3, 2025 |
| Oct 2, 2025 | James Steiner CFO and Secretary | JOther Class A Common Stock | +3,730,000 | - | - | 3,730,000 | Oct 3, 2025 |
| Oct 2, 2025 | Cristian A Melej director | JOther Class A Common Stock | +20,000 | - | - | 20,000 | Oct 3, 2025 |
| Oct 2, 2025 | Trevor R Burgess CEO & Chairman of the Board | JOther Class A Common Stockindirect: Held by Burgess Family SLAT, u/a/d March 26, 2025 | -25,039,000 | - | - | 0 | Oct 3, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- BSIV Hold 101, LPowner
- Trevor R BurgessCEO & Chairman of the Board
- Jonathan Winant Carlondirector
- Matthew Paul DuffyPresident & Chief Risk Officer
- Ftv Vii, L.p.owner
- Cristian A Melejdirector
- David Stanley Edward Nobledirector
- James SteinerChief Financial Officer
- Michael Warren Vostrizanskydirector
Questions about NP
Answered from the filings on this page, as of the latest one.
Are insiders buying NP?
As of Oct 9, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 8 open-market sells worth $129M by 5 insiders at Neptune Insurance Holdings Inc. in the last 90 days, net -$129M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade NP on the open market?
Matthew Paul Duffy (President & Chief Risk Officer) sold $2.4M of NP on Oct 8, 2026 and filed the Form 4 on Oct 9, 2026. InsiderTell scored 25 (weak), under a 10b5-1 plan.
How many insiders file Form 4 at Neptune Insurance Holdings Inc.?
9 people have filed a Form 4 at Neptune Insurance Holdings Inc., among them BSIV Hold 101, LP (10% owner), Trevor R Burgess (CEO & Chairman of the Board), Jonathan Winant Carlon (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.