Results of Operations and Financial Condition. On August 12, 2026, Harmonic Inc. (the “ Company ”) issued a press release regarding its preliminary unaudited financial results for the quarter ended July 3, 2026. In the press release, Harmonic also announced that it would be holding a conference call on August 12, 2026 to discuss its financial results for the quarter ended July 3, 2026. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibit 99.1 is inco…

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…

Senior Vice President and General Manager, Video Business — Neven Haltmayer: Mr. Haltmayer is retiring after 20 years of service at the Company.

Results of Operations and Financial Condition. On May 11, 2026, Harmonic Inc. (the “ Company ”) issued a press release regarding its preliminary unaudited financial results for the quarter ended April 3, 2026. In the press release, Harmonic also announced that it would be holding a conference call on May 11, 2026 to discuss its financial results for the quarter ended April 3, 2026. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibit 99.1 is incorpor…

Neven Haltmayer: Compensatory plan approved for Neven Haltmayer in connection with the sale of the Video Business.

Director — Dan Whalen: Resigned due to potential conflicts of interest from a new role at another company.

Entry into a Material Definitive Agreement. As previously announced, on December 8, 2025, Harmonic Inc. (the “Company”) entered into a Put Option Agreement (the “Put Option Agreement”) between the Company and Leone Media Inc. (d/b/a MediaKind) (the “Buyer”). Pursuant to the Put Option Agreement, the Company had the right (the “Put Option”) to require the Buyer to purchase the Company’s Video Business (the “Business”) for a purchase price of $145 million in cash, which Put Option may be exerci…

Results of Operations and Financial Condition. On February 19, 2026, Harmonic Inc. (the “ Company ”) issued a press release regarding its preliminary unaudited financial results for the quarter and year ended December 31, 2025. In the press release, Harmonic also announced that it would be holding a conference call on February 19, 2026 to discuss its financial results for the quarter and year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto, and the inf…

The filing details a new compensatory plan and severance agreements, not a management change.

Entry into a Material Definitive Agreement. On December 8, 2025 Harmonic Inc. (the “Company”) entered into a Put Option Agreement (the “Put Option Agreement”) between the Company and Leone Media Inc. (d/b/a MediaKind) (the “Buyer”). Under the Put Option Agreement, the Buyer has irrevocably provided the Company with the right (the “Put Option”) to require the Buyer to purchase the Company’s Video Business (the “Business”) for a purchase price of $145 million in cash, which Put Option may be ex…

Results of Operations and Financial Condition. On November 3, 2025, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended September 26, 2025. In the press release, Harmonic also announced that it would be holding a conference call on November 3, 2025 to discuss its financial results for the quarter ended September 26, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto, and the informati…

Results of Operations and Financial Condition. On July 28, 2025, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended June 27, 2025. In the press release, Harmonic also announced that it would be holding a conference call on July 28, 2025 to discuss its financial results for the quarter ended June 27, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibit 99…

Results of Operations and Financial Condition. On April 28, 2025, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended March 28, 2025. In the press release, Harmonic also announced that it would be holding a conference call on April 28, 2025 to discuss its financial results for the quarter ended March 28, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibi…

The filing discloses the adoption of annual incentive compensation plans, which is a routine administrative matter rather than a change in management personnel.

Results of Operations and Financial Condition. On February 10, 2025, Harmonic Inc. (the “ Company ”) issued a press release regarding its preliminary unaudited financial results for the quarter and year ended December 31, 2024. In the press release, Harmonic also announced that it would be holding a conference call on February 10, 2025 to discuss its financial results for the quarter and year ended December 31, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto, and the inf…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On December 20, 2024, Mitzi Reaugh informed the Board of Directors (the “Board”) of Harmonic Inc. (the “Company”) that she will be resigning from the Board, effective December 31, 2024, in order to more fully pursue other professional commitments. Ms. Reaugh’s departure from the Board is not the result of any disagreement with Company management or…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Entry into a Material Definitive Agreement. On December 23, 2024, Harmonic Inc., a Delaware corporation (the “Company”), entered into a Third Amendment to Credit Agreement (the “Amendment”), amending its existing Credit Agreement, dated as of December 21, 2023, by and among the Company, the subsidiary guarantors from time to time party thereto, the lenders from time to time party thereto and Citibank, N.A., as administrative agent (as amended, the “Credit Agreement”). The Amendment provides a…

Results of Operations and Financial Condition. On October 28, 2024, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended September 27, 2024. In the press release, Harmonic also announced that it would be holding a conference call on October 28, 2024 to discuss its financial results for the quarter ended September 27, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto, and the informati…

Director — Daniel Whalen: The filing discloses the routine election of a new director to the board of directors, which is a standard governance event rather than an executive departure.

Results of Operations and Financial Condition. On July 29, 2024, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended June 28, 2024. In the press release, Harmonic also announced that it would be holding a conference call on July 29, 2024 to discuss its financial results for the quarter ended June 28, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibit 99…

Director — Neel Dev: The filing discloses the routine election of a new director to the board of directors, which is a standard governance event rather than an executive departure.

Results of Operations and Financial Condition. On April 29, 2024, Harmonic Inc. ("Harmonic" or the “Company”) issued a press release regarding its preliminary unaudited financial results for the quarter ended March 29, 2024. In the press release, Harmonic also announced that it would be holding a conference call on April 29, 2024 to discuss its financial results for the quarter ended March 29, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto, and the information in Exhibi…

CEO — Nimrod Ben-Natan: The filing details the compensation and severance terms for the appointment of Nimrod Ben-Natan as CEO, indicating an internal promotion or succession rather than a departure.

Senior Vice President — Ian Graham: The SVP of Global Sales is departing with a settlement agreement and severance, indicating a negotiated exit rather than a sudden shock or routine promotion.