Harmonic Inc.

Item 2.01 Completion of an Acquisition or Disposition of Assets On June 16, 2026, Harmonic Inc. (the “Company”) completed the previously disclosed sale of its Video Business (the “Business”) pursuant to that certain Asset Purchase Agreement, dated March 20, 2026, (the “APA”) with Leone Media Inc. (d/b/a MediaKind) (the “Buyer”) for a purchase price of $145 million in cash (the “Acquisition”). The purchase price was subject to customary adjustments as set forth in the APA, including adjustments based on the net working capital of the Business, cash and indebtedness of the Business and the amount of specified selling expenses. The APA includes certain representations, warranties and covenants, including an agreement of the Company not to compete with the Business for three years following the closing date of the Acquisition and indemnification provisions pursuant to which the Company and the Buyer agreed to indemnify each other for certain losses arising under the APA. The above description of the APA is only a summary, does not purport to be complete and is qualified in its entirety by reference to the APA, a copy of which was filed as Exhibit 2.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on March 23, 2026. Such exhibit is incorporated herein by reference. Attached as Exhibit 99.1 to this Current Report, and incorporated herein by this reference, is a copy of the Company’s press release dated June 16, 2026, announcing the completion of the Acquisition.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory The Company announced today that Neven Haltmayer has resigned from his position of Senior Vice President and General Manager, Video Business, of the Company, effective June 16, 2026, in connection with the closing of the Acquisition. Mr. Haltmayer is retiring after 20 years of service at the Company.