David C. Michaels - 12 Dec 2025 Form 4 Insider Report for Soluna Holdings, Inc (SLNH)

Reporting relationship: Chief Financial Officer, Director
Issuer ticker: SLNH
Reported as of: 12 Dec 2025
Net transaction value: -$54,722
SEC form: 4
Accepted by SEC: 15 Dec 2025, 16:30:19 UTC
Prior SEC filing: 03 Dec 2025
Next SEC filing: 03 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher Gandolfo, Attorney in Fact

Key filing fact

David C. Michaels filed Form 4 for Soluna Holdings, Inc (SLNH) on 15 Dec 2025.

Key facts

This page summarizes David C. Michaels's Form 4 filing for Soluna Holdings, Inc (SLNH).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 15 Dec 2025, 16:30.

Change

Previous filing in this sequence was filed on 03 Dec 2025.
Current net transaction value: -$54,722.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001183209 Primary reporting owner

MICHAELS DAVID C

Relationship: Chief Financial Officer, Director
Address: C/O SOLUNA HOLDINGS, INC., 325 WASHINGTON AVENUE EXTENSION, ALBANY
Signature: /s/ Christopher Gandolfo, Attorney in Fact
Signature date: 15 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SLNH transaction

Common Stock

Sale

Transaction value: $2,227
Shares: -1,017
Change %: -0.09%
Price: $2.19
Shares after: 1,179,787
Date: 12 Dec 2025
Ownership: Direct

SLNH transaction

9.0% Series A Cumulative Perpetual Preferred Stock

Sale

Transaction value: $52,495
Shares: -5,669
Change %: -9.7%
Price: $9.26
Shares after: 52,977
Date: 12 Dec 2025
Ownership: Direct

^* marks a reported price that did not pass the local price check.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .