HHS HARTE HANKS INC Management Changes 8-K Filing 2025 - Appointments On May 14, 2025, Harte Hanks Inc. entered into a cooperation agreement with Gary S. Rosenbach, who owns approximately 2.12 million shares, agreeing to vote in line with the Board's recommendations until the 2026 annual meeting.Get access to all SEC 8-K filings of the HARTE HANKS INC