The thegentlemen ransomware group listed Terry P Moosmann CPA PC on its data leak site on 2026-07-16. Country: US Sector: Financial Services Claim as published on the leak site: Terry P. Moosmann CPA PC is a local accounting and tax preparation firm based in Washington, Missouri. Owned by Terry Moosmann, the company provides professional financial, accounting, and tax services tailored to individuals and small businesses in the surrounding communities. The firm is recognized for its personalized approach and long-standing presence in the local business community