---
schema_version: "secwatch.filing_event.v1"
accession: "0001108426-25-000112"
form_type: "8-K"
ticker: "TXNM"
cik: "0001108426"
company_name: "TXNM ENERGY INC"
filed_at: "2025-11-06T23:59:59+00:00"
generated_at: "2026-05-16T23:21:26.607674+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "medium"
source: SEC EDGAR
---

# TNMP amends key covenants in First Mortgage Indenture via Twenty-Fifth Supplemental Indenture

## Summary
- Texas-New Mexico Power Company entered Twenty-Fifth Supplemental Indenture on Nov 6, 2025, with U.S. Bank Trust as trustee.
- Amends requirement to provide financial reports under Section 12.04 of the First Mortgage Indenture.
- Revises change-in-control definition in certain prior supplemental indentures (Tenth through Twenty-Third).
- Adds covenant in Fifth Supplemental Indenture requiring annual and quarterly consolidated financial statements be made available to bondholders.
- TNMP obtained requisite consents from applicable holders before entering the amendment.

## SEC filing metadata
- accession: 0001108426-25-000112
- form_type: 8-K
- ticker: TXNM
- cik: 0001108426
- company_name: TXNM ENERGY INC
- filed_at: 2025-11-06T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: medium
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000112/0001108426-25-000112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/22767/000110842625000112/pnm-20251106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001108426-25-000112
- JSON: https://secwatch.observer/filing/0001108426-25-000112.json
- Plain text: https://secwatch.observer/filing/0001108426-25-000112.txt

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