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Astrotech Corporation (ASTC)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001001907 · EDGAR filings · Updated 2026-07-23

Astrotech Corporation (ASTC) has reported institutional ownership of 6.4%, with 15 institutional managers holding positions valued at $588.3K 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
6.4%
Institutional managers
15
Reported 13F value
$588.3K
Insider activity
9 trans.
−$1.62M net selling
Data flags
2 active
from SEC filings

Filings this week (2)

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, Astrotech Corporation has 15 institutional holders and institutional ownership of 6.4%.

Insider activity

Insiders reported 9 transactions (0 buys, 2 sells) across 9 reporting insiders, with a net reported value of −$1.62M.

Data flags from SEC filings

Active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), most recently filed 2022-07-01 (recurring since 2020-02-24) — source filing. The authoritative details are those stated in the filing itself.
Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2021-09-21 (recurring since 2020-02-14) — source filing. The authoritative details are those stated in the filing itself.

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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 2026-07-23.