# EDGAR Filing Document

**Accession Number:** 0001842718
**File Stem:** 0001140361-26-000141
**Filing Date:** 2026-1
**Character Count:** 3049
**Document Hash:** 41645f7bc61d1e0a3c763820b6f801f5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-000141.hdr.sgml**: 20260102

**ACCESSION NUMBER**: 0001140361-26-000141

**CONFORMED SUBMISSION TYPE**: 15-12G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260102

**DATE AS OF CHANGE**: 20260102

**EFFECTIVENESS DATE**: 20260102

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INTEGRAL AD SCIENCE HOLDING CORP.
- **CENTRAL INDEX KEY:** 0001842718
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 830731995
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 15-12G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40557
- **FILM NUMBER:** 26501034

**BUSINESS ADDRESS:**
- **STREET 1:** 12 EAST 49TH STREET
- **STREET 2:** 20TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** (646) 278-4871

**MAIL ADDRESS:**
- **STREET 1:** 12 EAST 49TH STREET
- **STREET 2:** 20TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** INTEGRAL AD SCIENCE HOLDING LLC
- **DATE OF NAME CHANGE:** 20210301

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** KAVACHA TOPCO, LLC
- **DATE OF NAME CHANGE:** 20210127

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 15

#### CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

#### UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

#### OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

#### OF THE SECURITIES EXCHANGE ACT OF 1934.

#### Commission File Number

#### 001-40557

## Integral Ad Science Holding Corp.

#### (Exact name of registrant as specified in its charter)

#### 12 E 49th Street, 20th Floor

#### New York, NY 10017
(646) 278-4871

#### (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

#### Common Stock, par value $0.001 per share

#### (Title of each class of securities covered by this Form)

#### None

#### (Titles of all other classes of securities for which a duty to file reports under Section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

---

| | |
|:---|:---|
| Rule 12g-4(a)(1) | ☒ |
| Rule 12g-4(a)(2) | ☐ |
| Rule 12h-3(b)(1)(i) | ☒ |
| Rule 12h-3(b)(1)(ii) | ☐ |
| Rule 15d-6 | ☐ |
| Rule 15d-22(b) | ☐ |

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Approximate number of holders of record as of the certification or notice date: One.

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Pursuant to the requirements of the Securities Exchange Act of 1934, Integral Ad Science Holding Corp. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

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| | | |
|:---|:---|:---|
| **Date: January 2, 2026** | By: | /s/ Lisa Utzschneider |
|  | Name: | Lisa Utzschneider |
|  | Title: | Chief Executive Officer |

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