Tri-State Generation & Transmission Association, Inc. filed 2 current reports with the SEC under Item 5.02, which covers directors and officers leaving or being appointed, the latest on 2026-09-15. Between them they name 1 person. Each change below is quoted from the filing and linked to it.
Every change, newest first
Departing: Robert Brockman, Director
On September 14, 2026, Tri-State received notification that Robert Brockman, the director representing Wheatland Rural Electric Association ("Wheatland") on Tri-State's Board of D irectors, has stepped down from Wheatland's board of directors.
Reported
On April 27, 2026, Tri-State Generation and Transmission Association, Inc. ("Tri-State") received notice from its Chief Administrative Officer and Chief Human Resources Officer, Elda de la Pe a, that she intends to retire in December 2026 after more than 29 years of service with Tri-State.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.