UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 12, 2026 SENSEONICS HOLDINGS, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-37717 47-1210911 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer FORM 8-K Identification No.) 20451 Seneca Meadows Parkway Germantown, MD 20876-7005 (Addre ...