Michael Warren Vostrizansky bought $494k of NP
director at Neptune Insurance Holdings Inc.. 23,000 shares at an average of $21.50, traded Feb 20, 2026, filed Feb 24, 2026.
Score components
- +15RoleDirector
- +18Trade size$494k at market
- +8Relative to holdingsFirst purchase: no shares before this trade
- +8Price context30% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +16.3%, 3m +41.9%, 6m +68.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-067769, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Feb 20, 2026 | POpen-market purchase Class A Common Stock | +23,000 | $21.50 | $494k | 23,000 | Feb 24, 2026 |
Related signals
Other insiders at Neptune Insurance Holdings Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 16, 2026 | Neptune Insurance Holdings Inc. | Matthew Paul Duffy President & Chief Risk Officer | $2.4M 84,441 shares | -4% | |
| Pro nowfree Oct 14, 2026 | Neptune Insurance Holdings Inc. | Matthew Paul Duffy President & Chief Risk Officer | $1.1M 41,392 shares | -2% | |
| 25Weak | Neptune Insurance Holdings Inc. | Matthew Paul Duffy President & Chief Risk Officer | $1.1M 39,737 shares | -2% | |
| 62Notable | Neptune Insurance Holdings Inc. | James Steiner Chief Financial Officer | $3.1M 100,000 shares | -2% | |
| 40Moderate | NPsell Neptune Insurance Holdings Inc. | Jonathan Winant Carlon director | $1.6M 50,000 shares | -8% | |
| 62Notable | Neptune Insurance Holdings Inc. | James Steiner Chief Financial Officer | $3.1M 100,000 shares | -3% | |
| 57Moderate | Neptune Insurance Holdings Inc. | BSIV Hold 101, LP owner | $54M 1,632,160 shares | -11% | |
| 57Moderate | Neptune Insurance Holdings Inc. | Ftv Vii, L.p. owner | $62M 1,867,840 shares | -11% | |
| 55Moderate | Neptune Insurance Holdings Inc. | BSIV Hold 101, LP owner | $139M 5,277,754 shares | -27% | |
| 55Moderate | Neptune Insurance Holdings Inc. | Ftv Vii, L.p. owner | $159M 6,039,850 shares | -27% |
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.