<div><div></div><div><span><p><span>On December 19, 2025, Verastem, Inc. announced the departure of its Chief Operating Officer, Matthew Ros, effective the same day. The company has entered into a Separation Agreement with Mr. Ros, providing severance benefits as per his employment agreement.</span></p><div><table><tbody><tr><td><strong><span>Individual</span></strong></td><td><span>Matthew Ros</span></td></tr><tr><td><strong><span>Role</span></strong></td><td><span>Chief Operating Officer</span></td></tr><tr><td><strong><span>Type of Change</span></strong></td><td><span>Separated</span></td></tr><tr><td><strong><span>Effective Date</span></strong></td><td><span>December 19, 2025</span></td></tr><tr><td><strong><span>Reason</span></strong></td><td><span>Not disclosed</span></td></tr><tr><td><strong><span>Replacement Info</span></strong></td><td><span>Not disclosed</span></td></tr><tr><td><strong><span>Background Details</span></strong></td><td><span>N/A</span></td></tr><tr><td><strong><span>Board/Committee Role Changes</span></strong></td><td><span>Not disclosed</span></td></tr></tbody></table></div><p><span>Original SEC Filing: </span>Verastem, Inc. [ VSTM ] - 8-K - Dec. 19, 2025</p><section><b><span class="heading-aHOVUrmQ">Disclaimer</span></b><div><span>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.</span></div></section></span></div></div>

VSTM

<p>Verastem, Inc. announced the departure of its Chief Operating Officer, Matthew Ros, effective December 19, 2025. A Separation Agreement was entered, providing severance benefits as per his employment agreement. The reason for his departure and replacement details were not disclosed.</p>

Verastem, Inc. Announces Departure of Chief Operating Officer