EXXON MOBIL CORP 8-K

What Happened
Exxon Mobil Corp filed an 8-K on May 4, 2026 reporting that Len M. Fox, Vice President, Controller and Tax and the company’s principal accounting officer, announced his retirement effective July 1, 2026. The company elected Susan Buchanan to serve as Vice President and Chief Accounting Officer (the principal accounting officer) and Controller, also effective July 1, 2026.

Key Details

• Filing date: May 4, 2026; announcement date: April 28, 2026; effective date for both changes: July 1, 2026.
• Departing officer: Len M. Fox — Vice President, Controller and Tax (principal accounting officer).
• New officer: Susan Buchanan, age 44, named Vice President and Chief Accounting Officer; will serve as Controller.
• Ms. Buchanan’s recent roles: President of ExxonMobil Global Business Solutions (since Feb 2026); previously VP, Strategy & Business Development, ExxonMobil Upstream (Oct 2023–Feb 2026); General Manager, U.S. Conventional Upstream (Nov 2022–Oct 2023); earlier roles in Upstream Strategy and Treasurers/Controllers functions. The filing notes she does not have an employment contract.

Why It Matters
This 8-K documents a leadership change in Exxon Mobil’s finance and accounting function — the principal accounting officer responsible for financial reporting and controls will change on July 1, 2026. The appointment is an internal promotion with experience across accounting, treasury and upstream business roles, which the company presents as its chosen successor. Investors should note the change for continuity in financial reporting and monitor future filings (e.g., Form 10-Q/10-K or other 8-Ks) for any related disclosure about financial controls or personnel arrangements.