SoundHound COO sells 71K shares to cover taxes

SoundHound AI’s Chief Operating Officer sold 71,113 shares to cover tax withholding on RSU vesting and continues to hold 2,600,231 shares directly.

Rhea-AI Filing Summary

SOUNDHOUND AI, INC. (SOUN) reported that Chief Operating Officer Michael Zagorsek sold 71,113 shares of Class A Common Stock on September 15, 2026 in a sale described as an open market or private transaction at $6.3286 per share. According to the company’s disclosure, this sale was made to satisfy tax withholding obligations arising from the vesting of restricted stock units granted to him on several prior dates. After this transaction, he directly holds 2,600,231 shares of Class A Common Stock, and no Rule 10b5-1 trading plan is reported for this sale.

Insider Trade Summary

Net Seller: 71,113 shares

Net Sell 1 txn

Insider ZAGORSEK MICHAEL

Role Chief Operating Officer

Sold 71,113 shs ($450K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	71,113	$6.3286	$450K

Holdings After Transaction: Class A Common Stock — 2,600,231 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares sold: 71,113 shares Sale price per share: $6.3286 per share Shares held after transaction: 2,600,231 shares +2 more

5 metrics

Shares sold 71,113 shares Class A Common Stock sold by the COO on September 15, 2026

Sale price per share $6.3286 per share Price for the 71,113 shares of Class A Common Stock sold

Shares held after transaction 2,600,231 shares Direct Class A Common Stock holdings of the COO after the sale

Net shares sold in filing 71,113 shares Net sell direction across all reported transactions

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

Key Terms

restricted stock units, tax withholding obligations, open market or private transaction

3 terms

restricted stock units financial

"in connection with the vesting of shares of restricted stock units granted"

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

"made to satisfy tax withholding obligations in connection with the vesting"

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

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

What insider transaction did SOUN report for its Chief Operating Officer?

SoundHound AI reported that Chief Operating Officer Michael Zagorsek sold 71,113 shares of Class A Common Stock on September 15, 2026, described as an open market or private transaction, with the sale made to cover tax withholding obligations from RSU vesting.

At what price were the SOUN shares sold in this Form 4 transaction?

The reported sale by SoundHound AI’s Chief Operating Officer was executed at a price of $6.3286 per share for the 71,113 shares of Class A Common Stock sold on September 15, 2026.

How many SOUN shares does the Chief Operating Officer hold after this sale?

Following the September 15, 2026 sale, Chief Operating Officer Michael Zagorsek directly holds 2,600,231 shares of SoundHound AI Class A Common Stock, as stated in the filing.

Why did the SOUN executive sell 71,113 shares according to the filing?

The filing states the 71,113 shares were sold to satisfy tax withholding obligations connected with the vesting of restricted stock units previously granted to the executive on August 3, 2023, August 1, 2024, July 31, 2025, and July 30, 2026.

Was the SOUN insider sale made under a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is reported as unchecked, and there is no footnote stating that the September 15, 2026 sale was made under a Rule 10b5-1 trading plan.

What type of security was involved in the SOUN Form 4 transaction?

The transaction involved Class A Common Stock of SoundHound AI, with 71,113 shares sold and 2,600,231 shares reported as directly held by the Chief Operating Officer after the sale.

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

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Available on EDGAR 09/17/2026 - 05:23 PM Accepted by SEC EDGAR 09/17/2026 - 05:22 PM Learn about SEC filing dates

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^*

ZAGORSEK MICHAEL

(Last) (First) (Middle)

C/O SOUNDHOUND AI, INC.

5400 BETSY ROSS DRIVE

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SOUNDHOUND AI, INC. [ SOUN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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

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

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

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
Class A Common Stock	09/15/2026		S		71,113(1)	D	$6.3286	2,600,231	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. 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.

Remarks:

	/s /Warren Heit, attorney-in-fact for ZAGORSEK MICHAEL	09/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)