iRhythm Holdings, Inc.

Item 7.01. Regulation FD Disclosure. As previously announced, on August 5, 2026, iRhythm Holdings, Inc., a Delaware corporation (the “Company”), iRhythm Technologies, Inc., a Delaware corporation and a direct wholly owned subsidiary of the Company (“Acquirer”), Project Vessel Merger Sub, Inc., a newly formed Delaware corporation and a direct wholly owned subsidiary of Acquirer (“Merger Sub”), Vital Connect, Inc., a Delaware corporation (the “Target”), and Fortis Advisors LLC, a Delaware limited liability company, solely in its capacity as the representative of the stockholders of the Target, entered into an Agreement and Plan of Merger, pursuant to which Merger Sub will merge with and into the Target (the “Merger”), with the Target surviving the Merger as a direct wholly owned subsidiary of Acquirer and an indirect wholly owned subsidiary of the Company (the “Acquisition”). The expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended occurred at 11:59 p.m. Eastern Time on September 18, 2026. The Acquisition is currently anticipated to close in early October 2026, subject to the satisfaction or waiver of customary closing conditions. The information in this Item 7.01 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (“Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933, as amended (“Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such a filing.