SoundHound AI officer sells $460K in shares

SOUNDHOUND AI, INC. reported that officer Michael Zagorsek filed a notice of sale under Rule 144 covering 71,113 shares of common stock of SOUN.

Available on EDGAR 09/15/2026 - 07:29 PM EDT Accepted by SEC EDGAR 09/15/2026 - 07:28 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

SOUNDHOUND AI, INC. reported that officer Michael Zagorsek filed a notice of sale under Rule 144 covering 71,113 shares of common stock of SOUN. The shares, with an aggregate market value of about $460,101.00, were sold on September 15, 2026 through Morgan Stanley Smith Barney LLC on NASDAQ.

The filing explains that this sale was made to satisfy tax withholding obligations arising from the vesting of restricted stock units granted to Zagorsek on August 3, 2023, August 1, 2024, July 31, 2025 and July 30, 2026.

Key Figures

Shares sold: 71,113 shares Aggregate market value: $460,101.00 Sale date: September 15, 2026 +1 more

4 metrics

Shares sold 71,113 shares Common stock of SOUNDHOUND AI reported in the Rule 144 notice

Aggregate market value $460,101.00 Approximate market value of shares covered by the Rule 144 sale

Sale date September 15, 2026 Actual sale date and date of acquisition for the reported transaction

Number of RSU grant dates referenced 4 RSU grants on August 3, 2023; August 1, 2024; July 31, 2025; July 30, 2026

Key Terms

Rule 144, restricted stock units, tax withholding obligations

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock units financial

"vesting of shares of restricted stock units granted to the reporting person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"sale reported herein was made to satisfy tax withholding obligations"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did SOUNDHOUND AI (SOUN) disclose in this Form 144 filing?

The filing states that officer Michael Zagorsek reported a Rule 144 sale of 71,113 shares of SOUNDHOUND AI common stock on September 15, 2026, executed through Morgan Stanley Smith Barney LLC on NASDAQ.

How many SOUN shares did Michael Zagorsek sell and what was the value?

Michael Zagorsek reported the sale of 71,113 shares of SOUNDHOUND AI common stock with an aggregate market value of $460,101.00, according to the Form 144 disclosure.

Why were these SOUNDHOUND AI (SOUN) shares sold under Rule 144?

The filing states the sale was made to satisfy tax withholding obligations related to the vesting of restricted stock units previously granted to Michael Zagorsek on four dates between 2023 and 2026.

When did the reported SOUN share sale by Michael Zagorsek occur?

The Form 144 notes that the actual sale date and date of acquisition for the 71,113 shares was September 15, 2026.

Which broker handled the Rule 144 sale for SOUNDHOUND AI shares?

The notice identifies Morgan Stanley Smith Barney LLC, located at 1 New York Plaza, as the broker handling the 71,113-share Rule 144 sale of SOUNDHOUND AI common stock on NASDAQ.

What awards were linked to the SOUN shares sold by Michael Zagorsek?

The shares sold to cover tax withholding were connected to the vesting of restricted stock units granted to Michael Zagorsek on August 3, 2023, August 1, 2024, July 31, 2025, and July 30, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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	0001921640
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SOUNDHOUND AI, INC.
SEC File Number	001-40193
Address of Issuer	5400 Betsy Ross Drive Santa Clara CALIFORNIA 95054
Phone	4084413200
Name of Person for Whose Account the Securities are To Be Sold	ZAGORSEK MICHAEL
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	Officer

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 Stock	Morgan Stanley Smith Barney LLC 1 New York Plaza 8th Floor New York NY 10017	71113	460101.00	454430604	09/15/2026	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 Stock	09/15/2026	RSU	Issuer			71113	09/15/2026	N/A

* 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

Nothing to Report

144: Remarks and Signature

Remarks	The sale reported herein was made to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock units granted to the reporting person on August 3, 2023, August 1, 2024, July 31, 2025 and July 30, 2026. The actual Sale Date and Date of Acquisition was 9/15/2026.
Date of Notice	09/15/2026
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	/s/ Michael Zagorsek
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)