---
schema_version: "secwatch.filing_event.v1"
accession: "0001210708-26-000061"
form_type: "8-K"
ticker: "STRR"
cik: "0001210708"
company_name: "Star Equity Holdings, Inc."
filed_at: "2026-05-18T20:50:38+00:00"
generated_at: "2026-05-18T20:54:52.368632+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Star Equity enters ATM agreement to sell up to $8.7M of Series A Preferred Stock

## Summary
- Agreement with Ladenburg Thalmann to offer up to $8.7M of 10% Series A Cumulative Perpetual Preferred Stock.
- Sales agent commission of 3.0% of gross proceeds; company may suspend or terminate at any time.
- Shares will be sold at market prices via ordinary brokers' transactions or block trades.
- Prospectus supplement filed May 18, 2026 under effective S-3 registration statement.

## SEC filing metadata
- accession: 0001210708-26-000061
- form_type: 8-K
- ticker: STRR
- cik: 0001210708
- company_name: Star Equity Holdings, Inc.
- filed_at: 2026-05-18T20:50:38+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1210708/000121070826000061/0001210708-26-000061-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1210708/000121070826000061/hson-20260518.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001210708-26-000061
- JSON: https://secwatch.observer/filing/0001210708-26-000061.json
- Plain text: https://secwatch.observer/filing/0001210708-26-000061.txt

## Key facts
- Material Agreements
  Star Equity Holdings, Inc. entered into At Market Issuance Sales Agreement with Ladenburg Thalmann & Co. Inc. valued at $8,700,000 (effective 2026-05-18).
  - Action: entry
  - Agreement: atm program
  - Counterparty: Ladenburg Thalmann & Co. Inc.
  - Value: $8,700,000
  - Effective: 2026-05-18
  source text: On May 18, 2026, Star Equity Holdings, Inc. (the “Company”) entered into an At Market Issuance Sales Agreement (the “Sales Agreement”) with Ladenburg Thalmann & Co. Inc. (“Sales Agent”), as sales agent, pursuant to which the Company may offer and sell, from time to time, through the Sales Agent, shares of the Company’s 10% Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share, having an aggregate offering price of up to $8,700,000 (the “Shares”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1210708/000121070826000061/0001210708-26-000061-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.