<div><div></div><div>On December 19, 2025, DexCom Inc announced the appointment of Jacob S. Leach as President and Chief Executive Officer, effective January 1, 2026, following the resignation of Kevin R. Sayer.<div><table><tbody><tr><td>Individual</td><td>Jacob S. Leach</td><td>Kevin R. Sayer</td></tr><tr><td>Role</td><td>President and CEO</td><td>CEO</td></tr><tr><td>Type of Change</td><td>Appointed</td><td>Resigned</td></tr><tr><td>Effective Date</td><td>Jan 1, 2026</td><td>Jan 1, 2026</td></tr><tr><td>Reason</td><td>N/A</td><td>Medical leave</td></tr><tr><td>Replacement Info</td><td>N/A</td><td>Jacob S. Leach</td></tr><tr><td>Background Details</td><td>Interim principal executive officer</td><td>N/A</td></tr><tr><td>Board/Committee Role Changes</td><td>Director</td><td>Not disclosed</td></tr></tbody></table></div>Original SEC Filing: DEXCOM INC [ DXCM ] - 8-K - Dec. 22, 2025<section>Disclaimer<div>This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.</div></section></div></div>

DXCM

DexCom Inc announced the appointment of Jacob S. Leach as President and CEO, effective January 1, 2026, following Kevin R. Sayer's resignation. Leach previously served as interim principal executive officer and will also join the board as a director. The change was disclosed in an SEC filing dated December 22, 2025.

DexCom Inc Announces CEO Appointment