Integral Ad Science Holding Corp. filings document material events for a digital advertising measurement and optimization company. The record includes 8-K disclosures on operating and financial results, material definitive agreements, credit-facility amendments, direct financial obligations, governance matters, and capital-structure changes tied to the company and its subsidiaries.
IAS filings also document the completed merger in which the company survived as a wholly owned subsidiary of a Novacap-affiliated parent. Related disclosures cover the merger agreement, shareholder voting and board approval matters, termination of prior financing arrangements, and new credit-agreement obligations entered into at closing.
Form 144 notice from Integral Ad Science Holding Corp. (IAS) reports a proposed sale of 25,901 common shares through Fidelity Brokerage Services on 09/24/2025 on NASDAQ with an aggregate market value of $263,771.71. The filing lists the company's outstanding shares as 166,163,514. The shares to be sold were acquired through restricted stock vesting on multiple dates between 07/01/2024 and 09/01/2025, totaling the lots shown in the table. The filer also reported two completed sales in the past three months by Alexis Gil II: 1,962 shares on 07/07/2025 for $16,537.47 and 2,784 shares on 09/03/2025 for $24,995.59. The notice includes the standard certification that the seller is not aware of undisclosed material adverse information.
Integral Ad Science Holding Corp. announced that it has entered into an Agreement and Plan of Merger with Igloo Group Parent, Inc. and its wholly owned subsidiary, Igloo Group Acquisition Company, Inc., which are affiliates of investment funds managed by Novacap Management Inc. Under the agreement, the acquisition subsidiary will merge with and into Integral Ad Science, and the company will survive as a wholly owned subsidiary of Igloo Group Parent.
The company and Igloo Group Parent issued a joint press release announcing the signing of the Merger Agreement, which is furnished as an exhibit. The filing highlights numerous risks that could prevent or delay closing, including failure to obtain required approvals, possible termination of the Merger Agreement, business disruption during the pendency of the deal and potential legal proceedings. Integral Ad Science plans to send an information statement to its stockholders on Schedule 14C describing the proposed transaction, and urges stockholders to read it carefully when available.
Integral Ad Science Holding Corp. (IAS) reporting person Gil Alexis II, Chief Accounting Officer, sold 2,784 shares of the issuer's common stock on 09/03/2025 to satisfy tax withholding obligations tied to the settlement of restricted stock units. The shares were sold in multiple trades at prices ranging from $8.91 to $9.05 with a reported weighted average price of $8.98. After the transaction the reporting person beneficially owned 171,041 shares.
Integral Ad Science Holding Corp. (IAS) Form 144 notice reports a proposed sale of 2,784 common shares held in brokerage at Fidelity Brokerage Services with an aggregate market value of $24,995.59. The filer acquired these shares on 09/02/2025 through restricted stock vesting from the issuer and indicates the payment nature as compensation. The approximate date of sale is listed as 09/03/2025 on NASDAQ. The filing also discloses two prior common-share sales by the same person in the past three months: 2,851 shares on 06/03/2025 for $22,707.36 and 1,962 shares on 07/07/2025 for $16,539.47. The signer certifies no undisclosed material adverse information.
Sunriver Management LLC and Randolph Willett Cook report beneficial ownership of 8,822,914 shares of Integral Ad Science Holding Corp., representing 5.3% of the outstanding common stock. The filing shows shared voting and dispositive power over these shares and no sole voting or dispositive power.
The schedule states the securities are directly owned by advisory clients of Sunriver and are held in the ordinary course of business, with an explicit certification that they were not acquired to change or influence control of the issuer. The filing includes a joint filing agreement and identifies reporting-person classifications as IA, OO and HC, IN.
Integral Ad Science Holding Corp. insider transaction disclosed on Form 4: Lisa Utzschneider, who serves as both Chief Executive Officer and a director, executed a mandatory sale of 9,922 shares of Integral Ad Science common stock on 08/06/2025 to satisfy tax withholding obligations arising from the settlement of market stock units. The sale was executed at a weighted-average price of $8.12 per share with reported trade prices ranging from $8.08 to $8.19. After the sale, the reporting person directly beneficially owns 380,557 shares. The filing was signed under power of attorney on behalf of the reporting person. The Form 4 discloses the transaction type as a tax-related mandatory sale rather than a discretionary open-market trade.
Integral Ad Science Holding Corp. (IAS) – Form 4 insider transaction: CEO and Director Lisa Utzschneider reported a sale of 8,285 common shares on 07/10/2025 at a weighted-average price of $8.29 per share. The filing states the sale was a mandatory disposition to cover tax liabilities arising from the settlement of market stock units. Following the transaction, Utzschneider remains the beneficial owner of 371,031 IAS shares, all held directly. No derivative security transactions were reported.
The sale represents a minor reduction in her overall ownership and appears routine rather than indicative of a change in strategic sentiment. No other executives or insiders were listed in this filing, and there is no accompanying earnings data or operational update.