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LUCID DIAGNOSTICS INC (LUCD)

Name: LUCID DIAGNOSTICS INC (LUCD) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001799011 · EDGAR filings · Updated 2026-06-24

LUCID DIAGNOSTICS INC (LUCD) has reported institutional ownership of 20.1%, with 102 institutional managers holding positions valued at $40.9M per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), substantial-doubt (going concern) disclosure per the filings.

Institutional ownership

20.1%

Institutional managers

102

Reported 13F value

$40.9M

Insider activity

18 trans.

$1.02M net buying

Data flags

2 active

from SEC filings

Latest updates

2026-06-24 — Current report (8-K) filed
2026-05-21 — Insider transaction reported (Form 4)
2026-05-14 — Current report (8-K) filed
2026-05-13 — Quarterly report (10-Q) filed
2026-04-30 — DEFA14A filed
2026-04-30 — ARS filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, LUCID DIAGNOSTICS INC has 102 institutional holders and institutional ownership of 20.1%.

Insider activity

Insiders reported 18 transactions (7 buys, 0 sells) across 11 reporting insiders, with a net reported value of $1.02M.

Data flags from SEC filings

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2026-05-13 (recurring since 2021-11-23) — source filing. The authoritative details are those stated in the filing itself.

Active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), most recently filed 2024-06-21 (recurring since 2023-11-24) — source filing. The authoritative details are those stated in the filing itself.

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Rallybio Corp (RLYB) · GREENWICH LIFESCIENCES INC (GLSI) · PULMONX CORP (LUNG) · NANO X IMAGING LTD (NNOX) · PYXIS ONCOLOGY INC (PYXS) · SERA PROGNOSTICS INC (SERA)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-24.