---
schema_version: "secwatch.filing_event.v1"
accession: "0001637880-26-000044"
form_type: "8-K"
ticker: null
cik: "0001637880"
company_name: "Tri-State Generation & Transmission Association, Inc."
filed_at: "2026-09-23T21:30:45+00:00"
generated_at: "2026-09-23T21:32:08.245141+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Tri-State certifies Amy Miller as board director representing Wheatland REA

## Summary
- On Sept 22, 2026, Tri-State certified election of Amy Miller by member Wheatland Rural Electric Association.
- Miller represents Wheatland on Tri-State's Board of Directors.
- She is expected to serve on the External Affairs-Member Relations Committee.
- No financial, operational, or strategic changes disclosed in the filing.

## SEC filing metadata
- accession: 0001637880-26-000044
- form_type: 8-K
- cik: 0001637880
- company_name: Tri-State Generation & Transmission Association, Inc.
- filed_at: 2026-09-23T21:30:45+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1637880/000163788026000044/0001637880-26-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1637880/000163788026000044/tris-20260922.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001637880-26-000044
- JSON: https://secwatch.observer/filing/0001637880-26-000044.json
- Plain text: https://secwatch.observer/filing/0001637880-26-000044.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.