Talen Energy Corp (TLN)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-08 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Talen Energy Corp (TLN) CIK: 0001622536 --- Reporting Owner --- Name: McFarland Mark Allen CIK: 0001720720 Role: Director, Officer (Chief Executive Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-08 | Code: J (Other acquisition/disposition) Shares: -260,335 | Price: $0.00 Shares Owned After: 117 | Ownership: D (Direct) Footnotes: [F1] All transactions reported herein reflect shares transferred by the reporting person from his individual name to MCM Living Trust, a revocable trust for which the reporting person is trustee. The transactions constitute a change from direct to indirect beneficial ownership only and do not involve a change in pecuniary interest. [Transaction #2] Security: Common Stock Date: 2026-06-08 | Code: J (Other acquisition/disposition) Shares: +260,335 | Price: $0.00 Shares Owned After: 260,335 | Ownership: I (Indirect) | Nature: By Trust Footnotes: [F1] All transactions reported herein reflect shares transferred by the reporting person from his individual name to MCM Living Trust, a revocable trust for which the reporting person is trustee. The transactions constitute a change from direct to indirect beneficial ownership only and do not involve a change in pecuniary interest. [F1] All transactions reported herein reflect shares transferred by the reporting person from his individual name to MCM Living Trust, a revocable trust for which the reporting person is trustee. The transactions constitute a change from direct to indirect beneficial ownership only and do not involve a change in pecuniary interest. --- Footnotes (Complete Index) --- F1: All transactions reported herein reflect shares transferred by the reporting person from his individual name to MCM Living Trust, a revocable trust for which the reporting person is trustee. The transactions constitute a change from direct to indirect beneficial ownership only and do not involve a change in pecuniary interest. --- Signature --- /s/ /s/ Daniel J. Kelly, attorney-in-fact (2026-06-08)