The filing describes amendments to severance contracts and a transaction bonus program, not an actual change in personnel or management.

Entry into a Material Definitive Agreement. On August 6, 2026 (the “ Signing Date ”), DoubleVerify Holdings, Inc., a Delaware corporation (the “ Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Neptune BidCo US Inc., a Delaware corporation (“ Parent ”), and Wallace Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“ Merger Sub ”). Pursuant to, and subject to the terms and conditions set forth in the Merger Agreement, Merge…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

Other Events On February 26, 2026, the Company announced that its Board of Directors (the “Board”) has approved a share repurchase program with authorization to purchase up to $300 million of the Company’s outstanding common stock (the “Repurchase Program”), which Repurchase Program will replace the share repurchase program previously announced by the Company in November 2024. The volume and timing of any repurchases will be subject to general market conditions, as well as the Company’s manag…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

EVP and Global Chief Commercial Officer — Julie Eddleman: The resignation of the Executive Vice President and Global Chief Commercial Officer represents the loss of a senior executive responsible for a major business function.

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

CEO — Mark Zagorski: The filing discloses an amended and restated employment agreement for the sitting CEO, which is a compensatory arrangement rather than a change in personnel or departure.

Results of Operations and Financial Condition.

Director — Jennifer Storms: The filing discloses the appointment of a new independent director to fill a vacancy, which is a routine board composition change rather than an executive departure.

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

Other Events. On November 6, 2024, the Company announced that its Board of Directors (the “Board”) has approved an additional share repurchase program with authorization to purchase up to $200 million of the Company’s outstanding common stock (the “Repurchase Program”), which amount is in addition to the $150 million share repurchase program previously approved by the Board in May 2024. The volume and timing of any repurchases will be subject to general market conditions, as well as the Compa…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

Entry into a Material Definitive Agreement. New Revolving Credit Facility On August 12, 2024, DoubleVerify Inc., as borrower (the “Borrower”), and DoubleVerify MidCo, Inc., as holdings (“DV Midco”), entered into a credit agreement with the banks and other financial institutions party thereto, as lenders and letter of credit issuers, and JPMorgan Chase Bank, N.A., as administrative agent, letter of credit issuer and swing lender (the “Credit Agreement”), to provide for a new senior secured rev…

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

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…

Other Events On May 16, 2024, DoubleVerify Holdings, Inc. (the “Company”) announced that its Board of Directors has approved a share repurchase program with authorization to purchase up to $150 million of the Company’s outstanding common stock (the “Repurchase Program”). The volume and timing of any repurchases will be subject to general market conditions, as well as the Company’s management of capital, other investment opportunities, and other factors. The Repurchase Program does not obligat…

and in Exhibit 99.1 attached to this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference…