Bridgette P. Heller - 23 Dec 2025 Form 4 Insider Report for INTEGRAL AD SCIENCE HOLDING CORP. (IAS)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
23 Dec 2025, 20:11:19 UTC
Prior SEC filing
18 Dec 2025
Next SEC filing
04 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Yossi Almani, by Power of Attorney

Key filing fact

Bridgette P. Heller filed Form 4 for INTEGRAL AD SCIENCE HOLDING CORP. (IAS) on 23 Dec 2025.

Key facts

  • This page summarizes Bridgette P. Heller's Form 4 filing for INTEGRAL AD SCIENCE HOLDING CORP. (IAS).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 23 Dec 2025, 20:11.

Change

  • Previous filing in this sequence was filed on 18 Dec 2025.
  • Current net transaction value: -$645,408.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001485616 Primary reporting owner

Heller Bridgette P

Relationship
Director
Address
C/O INTEGRAL AD SCIENCE HOLDING CORP., 12 E. 49TH STREET, 20TH FLOOR, NEW YORK
Signature
/s/ Yossi Almani, by Power of Attorney
Signature date
23 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IAS transaction

Common Stock, $0.001 par value

Disposed to Issuer

Transaction value
$645,408
Shares
-62,661
Change %
-100%
Price
$10.30
Shares after
0
Date
23 Dec 2025
Ownership
Direct
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Bridgette P. Heller is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

Pursuant to the Agreement and Plan of Merger, dated as of September 24, 2025 (the "Merger Agreement"), by and among the Issuer, Igloo Group Parent, Inc. ("Parent") and Igloo Group Acquisition Company, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving as a wholly owned subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), each issued and outstanding share of the Issuer's common stock, par value $0.001 per share ("Common Stock"), owned by the reporting person immediately prior to the Effective Time was automatically cancelled, extinguished and converted into the right to receive $10.30 per share in cash, without interest thereon (the "Per Share Price").

Footnote F2

The shares of Common Stock reported as disposed by the reporting person include 17,637 unvested restricted stock units ("Company RSUs") which were, at or immediately prior the Effective Time, fully vested, cancelled and converted into the right to receive, without interest, an amount in cash equal to the product of (i) the Per Share Price and (ii) the total number of shares of Common Stock subject to such Company RSUs.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .