Cigna Names Michael J. Hennigan to Board of Directors, Effective June 2, 2025
The Cigna Group appointed Michael J. Hennigan as an independent director, effective June 2, 2025, with the board approving the appointment on May 30, 2025. Hennigan is Executive Chairman of Marathon Petroleum and MPLX, a board addition with an energy-industry background that does not change the company's reported financial results.
Key points
- Board appointed Michael J. Hennigan on May 30, 2025; his appointment is effective June 2, 2025.
- Hennigan is Executive Chairman of Marathon Petroleum Corporation and MPLX and previously served as CEO of both.
- He will join the non-employee director compensation program, as described in the 2025 proxy statement filed March 14, 2025.
- Cigna will file an amended Form 8-K to disclose his committee assignments once determined.
The filing
Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:21 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 02, 2025.
Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.