Dennis Matheis bought $245k of LUCD
director at Lucid Diagnostics Inc.. 245,000 shares at an average of $1.00, traded May 20, 2026, filed May 21, 2026.
Score components
- +15RoleDirector
- +13Trade size$245k at market
- +6Relative to holdingsHoldings up 31%
- +18Price context6% above the 52-week low; 37% 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.
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 0001094891-26-000217, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 20, 2026 | POpen-market purchase Common Stock | +245,000 | $1.00 | $245k | 1,033,443 | May 21, 2026 |
Related signals
Other insiders at Lucid Diagnostics Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 28Weak | LUCDbuy Lucid Diagnostics Inc. | Dennis Matheis director | $102k 100,000 shares | +18% | |
| 42Moderate | LUCDbuy Lucid Diagnostics Inc. | Dennis Matheis director | $458k 350,000 shares | +162% | |
| 40Moderate | LUCDbuy Lucid Diagnostics Inc. | Dennis Matheis director | $458k 350,000 shares | - |
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.