---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-058187"
form_type: "8-K"
ticker: "WEC"
cik: "0000783325"
company_name: "WEC ENERGY GROUP, INC."
filed_at: "2025-06-10T23:59:59+00:00"
generated_at: "2026-05-19T16:25:55.691538+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# WEC Energy Group issues $900M 3.375% convertible senior notes due 2028

## Summary
- $900M aggregate principal, including $125M full exercise of initial purchasers' option.
- 3.375% semiannual interest; matures June 1, 2028; no redemption or sinking fund.
- Initial conversion rate 7.7901 shares/$1,000 (price ~$128.37); up to ~8.59M shares issuable.
- Notes unsecured, senior; structurally subordinated to subsidiary debt; sold via Rule 144A.

## SEC filing metadata
- accession: 0001104659-25-058187
- form_type: 8-K
- ticker: WEC
- cik: 0000783325
- company_name: WEC ENERGY GROUP, INC.
- filed_at: 2025-06-10T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/783325/000110465925058187/0001104659-25-058187-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/783325/000110465925058187/tm2517596d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-058187
- JSON: https://secwatch.observer/filing/0001104659-25-058187.json
- Plain text: https://secwatch.observer/filing/0001104659-25-058187.txt

## Key facts
- Debt Financings
  WEC ENERGY GROUP, INC. incurred convertible notes of $900,000,000 aggregate principal amount with The Bank of New York Mellon Trust Company, N.A. at 3.375% per year maturing June 1, 2028.
  - Instrument: convertible notes
  - Principal: $900,000,000 aggregate principal amount
  - Counterparty: The Bank of New York Mellon Trust Company, N.A.
  - Rate: 3.375% per year
  - Maturity: June 1, 2028
  - Event: incurrence
  source text: On June 10, WEC Energy Group, Inc. (the “Company”) issued $900,000,000 aggregate principal amount of its 3.375% Convertible Senior Notes due 2028
  evidence_url: https://www.sec.gov/Archives/edgar/data/783325/000110465925058187/0001104659-25-058187-index.htm

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