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AI brief of an SEC Form 8-K · Avista (AVA)

Avista CEO Dennis Vermillion to retire; Heather Rosentrater named CEO effective Jan. 1, 2025

Neutral Impact 4 of 5 leadership Written later

Avista Corp. CEO Dennis Vermillion will step down as CEO and board member effective December 31, 2024, and retire by the end of the first quarter of 2025. The board appointed President and COO Heather Rosentrater as CEO and board member effective January 1, 2025, a planned succession the company described as long-term planning. Her compensation as CEO will be set at a later date.

Key points

  • Vermillion steps down as CEO and board member effective December 31, 2024; he will remain Executive Vice President and strategic advisor until retiring by the end of Q1 2025.
  • Heather Rosentrater, currently President and COO, becomes President and CEO and a board member effective January 1, 2025.
  • Rosentrater joined Avista in 1999 and became President and COO on October 1, 2023; she is the first female CEO in company history.
  • Compensation and employment terms for Rosentrater as CEO have not yet been determined.

The filing

CompanyAvista (AVA)
Form8-K, current report
Filed with the SECAug 26, 2024, 4:05 PM ET
Accession number0000950170-24-100533

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on August 26, 2024.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.