---
schema_version: "secwatch.filing_event.v1"
accession: "0000045919-25-000023"
form_type: "8-K"
ticker: "HHS"
cik: "0000045919"
company_name: "HARTE HANKS INC"
filed_at: "2025-05-14T23:59:59+00:00"
generated_at: "2026-05-21T11:21:32.952156+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Harte Hanks enters cooperation agreement with 28.7% holder Rosenbach; standstill and voting pact

## Summary
- Gary and Susan Rosenbach beneficially own 2,118,635 shares (~28.7% of Harte Hanks common stock).
- Rosenbach agrees to standstill: no proxy solicitation, share acquisitions, or group formation without Company consent.
- Rosenbach must vote shares in line with Board recommendations through 2026 annual meeting (except on Extraordinary Transactions).
- Mutual non-disparagement provisions apply during the standstill period.
- Agreement terminates when Rosenbach ownership falls below 10% or upon material uncured breach.

## SEC filing metadata
- accession: 0000045919-25-000023
- form_type: 8-K
- ticker: HHS
- cik: 0000045919
- company_name: HARTE HANKS INC
- filed_at: 2025-05-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/45919/000004591925000023/0000045919-25-000023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/45919/000004591925000023/hhs-20250514.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000045919-25-000023
- JSON: https://secwatch.observer/filing/0000045919-25-000023.json
- Plain text: https://secwatch.observer/filing/0000045919-25-000023.txt

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