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SOLUNA HOLDINGS INC (SLNH)

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

Institutional ownership, SEC filings and insider activity

Sector: Financials · SEC CIK 0000064463 · EDGAR filings · Updated 2026-07-28

SOLUNA HOLDINGS INC (SLNH) has reported institutional ownership of 9.2%, with 44 institutional managers holding positions valued at $7.33M 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, triggering event that accelerates or increases a direct financial obligation (8-K Item 2.04).

Institutional ownership

9.2%

Institutional managers

Reported 13F value

$7.33M

Insider activity

71 trans.

−$313.6K net selling

Data flags

3 active

from SEC filings

Filings this week (2)

2026-07-28 — Employee-plan registration (S-8) filed
2026-07-24 — Current report (8-K) filed

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

Latest updates

2026-07-21 — Initial insider ownership filed (Form 3)
2026-07-16 — Current report (8-K) filed
2026-07-14 — Current report (8-K) filed
2026-06-25 — Current report (8-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, SOLUNA HOLDINGS INC has 44 institutional holders and institutional ownership of 9.2%.

Insider activity

Insiders reported 71 transactions (2 buys, 25 sells) across 13 reporting insiders, with a net reported value of −$313.6K.

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 2026-04-15 (recurring since 2022-12-27) — source filing. The authoritative details are those stated in the filing itself.

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2026-03-30 (recurring since 2022-08-15) — source filing. The authoritative details are those stated in the filing itself.

Active triggering event that accelerates or increases a direct financial obligation (8-K Item 2.04), most recently filed 2025-03-28 (recurring since 2022-12-27) — 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 2026-07-28.