---
schema_version: "secwatch.filing_event.v1"
accession: "0001108426-25-000074"
form_type: "8-K"
ticker: "TXNM"
cik: "0001108426"
company_name: "TXNM ENERGY INC"
filed_at: "2025-07-22T23:59:59+00:00"
generated_at: "2026-05-18T04:07:46.728229+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TNMP unit issues $1.0843B in First Mortgage Bonds across six tranches (4.83%-6.02%, maturities 2030-2055)

## Summary
- Six tranches: $245M 4.83% due 2030, $245M 5.12% due 2032, $240M 5.44% due 2035, $100M 5.54% due 2037, $154.3M 5.93% due 2045, $100M 6.02% due 2055.
- Proceeds will be used to repay short-term debt and fund general corporate purposes including capital expenditures.
- Bonds are secured by a first mortgage lien on substantially all of TNMP's property.
- Proposed TXNM/Blackstone Infrastructure transaction does not constitute a change in control under the bonds.

## SEC filing metadata
- accession: 0001108426-25-000074
- form_type: 8-K
- ticker: TXNM
- cik: 0001108426
- company_name: TXNM ENERGY INC
- filed_at: 2025-07-22T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/22767/000110842625000074/pnm-20250722.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001108426-25-000074
- JSON: https://secwatch.observer/filing/0001108426-25-000074.json
- Plain text: https://secwatch.observer/filing/0001108426-25-000074.txt

## Key facts
- Debt Financings
  TXNM ENERGY INC incurred senior notes of $240,000,000 aggregate principal amount with institutional accredited investors at 5.44% maturing July 31, 2035.
  - Instrument: senior notes
  - Principal: $240,000,000 aggregate principal amount
  - Counterparty: institutional accredited investors
  - Rate: 5.44%
  - Maturity: July 31, 2035
  - Event: incurrence
  source text: $240,000,000 aggregate principal amount of its 5.44% First Mortgage Bonds, due July 31, 2035, Series 2025D
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm
- Debt Financings
  TXNM ENERGY INC incurred senior notes of $245,000,000 aggregate principal amount with institutional accredited investors at 4.83% maturing July 31, 2030.
  - Instrument: senior notes
  - Principal: $245,000,000 aggregate principal amount
  - Counterparty: institutional accredited investors
  - Rate: 4.83%
  - Maturity: July 31, 2030
  - Event: incurrence
  source text: On July 21, 2025, TXNM Energy, Inc.'s indirect wholly-owned subsidiary, Texas-New Mexico Power Company (“TNMP”), issued $245,000,000 aggregate principal amount of its 4.83% First Mortgage Bonds, due July 31, 2030, Series 2025B
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm
- Debt Financings
  TXNM ENERGY INC incurred senior notes of $245,000,000 aggregate principal amount with institutional accredited investors at 5.12% maturing July 31, 2032.
  - Instrument: senior notes
  - Principal: $245,000,000 aggregate principal amount
  - Counterparty: institutional accredited investors
  - Rate: 5.12%
  - Maturity: July 31, 2032
  - Event: incurrence
  source text: $245,000,000 aggregate principal amount of its 5.12% First Mortgage Bonds, due July 31, 2032, Series 2025C
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm
- Debt Financings
  TXNM ENERGY INC incurred senior notes of $154,300,000 aggregate principal amount with institutional accredited investors at 5.93% maturing July 31, 2045.
  - Instrument: senior notes
  - Principal: $154,300,000 aggregate principal amount
  - Counterparty: institutional accredited investors
  - Rate: 5.93%
  - Maturity: July 31, 2045
  - Event: incurrence
  source text: $154,300,000 aggregate principal amount of its 5.93% First Mortgage Bonds, due July 31, 2045, Series 2025F
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm
- Debt Financings
  TXNM ENERGY INC incurred senior notes of $100,000,000 aggregate principal amount with institutional accredited investors at 5.54% maturing July 31, 2037.
  - Instrument: senior notes
  - Principal: $100,000,000 aggregate principal amount
  - Counterparty: institutional accredited investors
  - Rate: 5.54%
  - Maturity: July 31, 2037
  - Event: incurrence
  source text: $100,000,000 aggregate principal amount of its 5.54% First Mortgage Bonds, due July 31, 2037, Series 2025E
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108426/000110842625000074/0001108426-25-000074-index.htm

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