Integral Ad Science CAO completes tax-related sale of 1,962 shares

Rhea-AI Filing Summary

On 7 July 2025, Integral Ad Science Holding Corp. (IAS) Chief Accounting Officer Alexis Gil II filed a Form 4 reporting the sale of 1,962 shares of IAS common stock at a weighted-average price of $8.43. The transaction was identified as a mandatory sale to cover tax obligations triggered by the vesting of restricted stock units. Following the sale, the executive’s direct ownership stands at 173,825 shares. No derivative positions or additional transactions were disclosed, and the filing does not reference a Rule 10b5-1 trading plan. Given the limited size of the sale (≈1.1 % of the insider’s holdings) and its tax-related nature, the event is considered routine with minimal impact on the company’s insider-ownership profile.

Positive

• None.

Negative

• Insider sale: The CAO sold 1,962 shares, marginally reducing direct ownership, though the sale was tax-related and represents only ~1 % of holdings.

Insights

Financial Analyst

TL;DR: Modest, tax-driven insider sale—neutral signal.

The 1,962-share disposition represents a small fraction of total insider holdings and is specifically earmarked to satisfy RSU-related tax liabilities. Because the executive retains more than 170 thousand shares, the filing does not materially alter the insider-ownership base or imply a change in confidence. No derivatives, options exercises, or 10b5-1 plan activity were reported, further supporting a neutral interpretation for investors.

Corporate Governance Specialist

TL;DR: Routine compliance event; governance risk unchanged.

Mandatory tax sales following RSU settlement are commonplace and generally non-informative regarding governance or control issues. The timely filing of Form 4 within the two-business-day window reflects adherence to Section 16 reporting rules. No red flags—such as clustered insider selling, accelerated vesting, or unreported derivative exposure—are present. Consequently, the transaction is deemed not impactful from a governance-risk perspective.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gil Alexis II

(Last) (First) (Middle)

C/O INTEGRAL AD SCIENCE HOLDING CORP.

12 E. 49TH STREET, 20TH FLOOR

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
INTEGRAL AD SCIENCE HOLDING CORP. [ IAS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
07/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.001 par value	07/07/2025		S(1)		1,962	D	$8.43(2)	173,825	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Mandatory sale to cover tax liability associated with the settlement of restricted stock units.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $8.38 to $8.49 per share. The reporting person undertakes to provide to Integral Ad Science Holding Corp., any security holder of Integral Ad Science Holding Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

Remarks:

	/s/ Yossi Almani, by Power of Attorney	07/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many IAS shares did Alexis Gil II sell on 7 July 2025?

He sold 1,962 shares of Integral Ad Science common stock.

What was the weighted-average price of the shares sold by the IAS executive?

The weighted-average sale price was $8.43 per share, with individual trades ranging from $8.38 to $8.49.

Why did the IAS Chief Accounting Officer sell shares?

The filing states the sale was mandatory to cover tax liabilities arising from restricted stock unit settlement.

How many IAS shares does Alexis Gil II still own after the transaction?

He continues to own 173,825 shares directly.

Does the Form 4 mention a Rule 10b5-1 trading plan?

No, the filing does not reference a new or existing Rule 10b5-1 trading plan.