8-K - Lucid Diagnostics Inc. (0001799011) (Filer)
Published . Updated .
8-K - Lucid Diagnostics filed an 8-K with the SEC on Oct 22 (a notice of a material company event).
Directly affected
- LUCD Lucid Diagnostics
Named in this report.
Indirectly affected
- SPY SPDR S&P 500+1.6%
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond-1.8%
Long-term U.S. government bonds
- QQQ Invesco QQQ+2.3%
Large technology stocks
- GLD SPDR Gold Shares-3.3%
Gold can move with the broad market
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| LUCD | +46.03% | +8.02% | base | after close | after close | after close | after close |
| SPY | -0.09% | +0.66% | base | after close | after close | after close | after close |
| TLT | -2.07% | -1.97% | base | after close | after close | after close | after close |
| QQQ | +0.75% | +1.80% | base | after close | after close | after close | after close |
| GLD | +3.51% | +2.33% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Filed: 2026-10-22 AccNo: 0001493152-26-048114 Size: 551 KB Item 3.02: Unregistered Sales of Equity Securities Item 3.03: Material Modifications to Rights of Security Holders Item 5.03: Amendments to Articles of Incorporation or Bylaws; Cha…
Source: sec-edgar
Lucid Diagnostics (LUCD) since this story, compared with the market
| Company | When | Move | Status |
|---|---|---|---|
| GLD | three days earlier | +2.33% | final price |
| GLD | five days earlier | +3.51% | final price |
| Lucid Diagnostics (LUCD) | three days earlier | +8.02% | final price |
| Lucid Diagnostics (LUCD) | five days earlier | +46.03% | final price |
| QQQ | three days earlier | +1.80% | final price |
| QQQ | five days earlier | +0.75% | final price |
| SPY | three days earlier | +0.66% | final price |
| SPY | five days earlier | -0.09% | final price |
| TLT | three days earlier | -1.97% | final price |
| TLT | five days earlier | -2.07% | final price |
Who is named in “8-K - Lucid Diagnostics Inc. (0001799011) (Filer)”
Companies carried with this story
- LUCD Lucid Diagnostics
For “8-K - Lucid Diagnostics Inc. (0001799011) (Filer),” Lucid Diagnostics (LUCD) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> LUCD
How “8-K - Lucid Diagnostics Inc. (0001799011) (Filer)” reaches Lucid Diagnostics (LUCD)
Lucid Diagnostics (LUCD) is the company in “8-K - Lucid Diagnostics Inc. (0001799011) (Filer),” the 22 Oct 2026 this story story.
The link for Lucid Diagnostics (LUCD) is this: SEC 8-K filing -> direct issuer disclosure -> LUCD
The price range for Lucid Diagnostics (LUCD), and the dates in the story
LUCD traded between 0.30 and 0.52 across 4 sessions. The latest close on file is 0.34.
A simple score for Lucid Diagnostics (LUCD)
14 out of 100
“8-K - Lucid Diagnostics Inc. (0001799011) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.