Every Form 4 that Integral Ad Science Holding Corp. (IAS) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow IAS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IAS filings page.
Integral Ad Science Holding Corp. has completed a merger in which it became a wholly owned subsidiary of Igloo Group Parent, Inc. According to this insider report, entities affiliated with Vista Equity Partners held a total of 65,010,001 shares of IAS common stock. At the effective time of the merger on 12/23/2025, each of these shares was automatically cancelled and converted into the right to receive $10.30 in cash per share, without interest.
The filing explains that the shares were spread across several Vista funds, with control and management entities that may be deemed beneficial owners, though they all disclaim beneficial ownership beyond their economic interest. This transaction reflects the cash-out of Vista’s large equity position as part of the going-private merger.
Integral Ad Science (IAS) – Form 4: The company’s Chief Executive Officer, who also serves as a director, reported a sale of 12,180 shares of common stock on 11/05/2025, coded “S”. The sale was a mandatory transaction to cover tax liabilities tied to the settlement of market stock units. The weighted average price was $10.24 per share, with individual trades ranging from $10.23 to $10.25. Following the transaction, the reporting person directly beneficially owns 417,742 shares.
Integral Ad Science (IAS) reported an insider equity transaction by its Chief Executive Officer and Director. On 11/02/2025, the executive acquired 23,893 shares of common stock at $0 following the vesting and settlement of market stock units (transaction code M). After this event, the executive beneficially owned 429,922 shares directly.
The related derivative position reflects market stock units tied to share price performance; 125,029 derivative securities were reported as beneficially owned after the transaction.