---
schema_version: "secwatch.filing_event.v1"
accession: "0001622536-25-000041"
form_type: "8-K"
ticker: "TLN"
cik: "0001622536"
company_name: "Talen Energy Corp"
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:13:13.594445+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Talen Energy realigns exec team; Nutt President, Muller CFO; anti-dilutive cash settlement of equity awards

## Summary
- Terry Nutt appointed President, Cole Muller appointed CFO; Mac McFarland continues as CEO; John Wander to retire June 2026.
- Up to 60% of Emergence Awards to be cash-settled in May 2026, cutting share issuance from ~2.57M to ~680k at $400 stock price.
- Executives agree to lock-up any shares from Emergence Awards through November 13, 2026.
- New employment agreements extend term through February 2027 with automatic annual renewals.
- Brad Berryman named COO, Ed Casulli Chief Nuclear Officer, Dale Lebsack Chief Asset Development Officer.

## SEC filing metadata
- accession: 0001622536-25-000041
- form_type: 8-K
- ticker: TLN
- cik: 0001622536
- company_name: Talen Energy Corp
- filed_at: 2025-12-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1622536/000162253625000041/0001622536-25-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1622536/000162253625000041/tln-20251209.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001622536-25-000041
- JSON: https://secwatch.observer/filing/0001622536-25-000041.json
- Plain text: https://secwatch.observer/filing/0001622536-25-000041.txt

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