Tri-State Generation & Transmission Association, Inc. 8-K

What Happened Tri-State Generation & Transmission Association, Inc. filed a Form 8-K on April 29, 2026 disclosing that its Chief Administrative Officer and Chief Human Resources Officer, Elda de la Peña, notified the company on April 27, 2026 that she intends to retire in December 2026 after more than 29 years with Tri-State. The company said it will begin a search for a successor.

Key Details

• Filing date: April 29, 2026; notice received: April 27, 2026.
• Executive: Elda de la Peña, Chief Administrative Officer & Chief Human Resources Officer.
• Retirement effective: December 2026.
• Tenure: more than 29 years with Tri-State.
• Company action: will initiate a search for a new CAO/CHRO.

Why It Matters This 8-K reports an upcoming leadership change in Tri-State’s senior administrative and HR functions. While not a CEO/CFO change and the filing does not indicate immediate operational or financial impacts, investors should note the company will undertake a succession process for a long-tenured executive, which can affect human resources strategy and administrative continuity. The company provided timing and plans to search for a replacement but offered no additional details on interim coverage or candidates.