[144] Integral Ad Science Holding Corp. SEC Filing

Rhea-AI Filing Summary

Integral Ad Science Holding Corp. (IAS) filed a Form 144 indicating that an insider intends to sell up to 1,962 common shares on or about 07 July 2025 through Fidelity Brokerage Services on NASDAQ. The shares, valued at approximately $16,539.47, were recently acquired via restricted-stock vesting on 01 July 2025 as compensation. A prior sale of 2,851 shares for $22,707.36 was executed on 03 June 2025 by the same insider, Alexis Gil II. The planned sale represents about 0.0012% of IAS’s 165 million shares outstanding, signalling limited dilution or ownership impact. The filing fulfills SEC Rule 144 disclosure requirements, allowing public investors to track insider trading activity and gauge sentiment.

Positive

• Transparent compliance with SEC Rule 144 provides visibility into insider activity.
• Sale size is immaterial (0.0012% of shares outstanding), posing negligible dilution or price pressure.

Negative

• Continued insider selling (total 4,813 shares over two filings) can be interpreted as modestly negative sentiment despite small volume.

Insights

Financial Analyst

TL;DR: Immaterial insider sale; negligible ownership impact, minor negative sentiment.

The proposed disposal of 1,962 shares equates to roughly $16.5k, a trivial fraction of IAS’s market float. While insider selling can be viewed cautiously, the monetary value and share percentage are far below materiality thresholds. The prior 2,851-share sale in June was similarly small. These transactions are unlikely to shift supply-demand dynamics or meaningfully affect valuation multiples. Overall impact is neutral, though continued insider selling trends should be monitored for changes in sentiment or larger volumes.

Corporate Governance Expert

TL;DR: Proper Rule 144 compliance; transparency positive, volume immaterial.

The filer adhered to Rule 144 by disclosing acquisition details, sale intent, and prior trades, demonstrating governance discipline. The sale stems from equity compensation vesting—common for executives. With only 0.0012% of shares outstanding affected, no governance red flags arise. Investors should focus on whether cumulative insider activity accelerates, but this single notice does not imply adverse undisclosed information according to the certification language included in the form.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1962	16539.47	165016300	07/07/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/01/2025	Restricted Stock Vesting	Issuer			1962	07/01/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Alexis Gil II 12 E 49th Street 20th Floor New York NY 10017	Common	06/03/2025	2851	22707.36

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many IAS shares are being sold under this Form 144?

The insider plans to sell 1,962 common shares.

What is the estimated market value of the proposed sale?

The aggregate market value is approximately $16,539.47.

When will the IAS shares be sold?

The filing lists an approximate sale date of 07 July 2025.

How does the sale compare to IAS’s total shares outstanding?

The sale represents about 0.0012% of the 165,016,300 shares outstanding.

Were there recent IAS insider sales prior to this notice?

Yes. On 03 June 2025 the same insider sold 2,851 shares for $22,707.36.

What was the source of the shares being sold?

The shares vested as restricted stock compensation on 01 July 2025.