Ooma CFO reports tax-related share withholding on RSU vesting

Ooma Inc. Chief Financial Officer Shigeyuki Hamamatsu reported a tax-related share transaction.

Accepted by SEC EDGAR 12/17/2025 - 04:11 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Ooma Inc. Chief Financial Officer Shigeyuki Hamamatsu reported a tax-related share transaction. On 12/15/2025, he transferred 3,231 shares of Ooma common stock to the company at $11.5 per share to satisfy withholding tax due upon the vesting of restricted stock units.

After this transaction, Hamamatsu beneficially owned 173,118 shares of Ooma common stock directly. The transaction was coded as F, indicating delivery of shares to cover a tax liability related to equity compensation.

Insider Trade Summary

Exercise Price or Tax Liability: 3,231 shares

Exercise Price or Tax Liability 1 txn

Insider Hamamatsu Shigeyuki

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	3,231	$11.50	$37K

Holdings After Transaction: Common Stock — 173,118 shares (Direct)

Holdings Before and After: Common Stock, 176,349 to 173,118 shares (Direct)

Footnotes (1)

1. F1. Shares delivered by Reporting Person to Issuer in payment of the withholding tax liability upon vesting of the restricted stock units.

FAQ

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

What share transaction did OOMA's CFO report?

Ooma's Chief Financial Officer, Shigeyuki Hamamatsu, reported transferring 3,231 shares of Ooma common stock to the company at $11.5 per share.

Why were 3,231 OOMA shares delivered back to the company?

The 3,231 shares were delivered by the reporting person to Ooma in payment of the withholding tax liability triggered when restricted stock units vested.

How many OOMA shares does the CFO own after this transaction?

Following the reported transaction, Shigeyuki Hamamatsu beneficially owned 173,118 shares of Ooma common stock directly.

When did the reported OOMA share transaction occur?

The reported common stock transaction took place on 12/15/2025.

What does transaction code F mean in this OOMA ownership report?

Transaction code F indicates that shares were delivered to the issuer to pay a tax withholding liability arising from the vesting of restricted stock units.

What is the role of Shigeyuki Hamamatsu at Ooma (OOMA)?

Shigeyuki Hamamatsu serves as Chief Financial Officer of Ooma Inc.

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

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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^*

Hamamatsu Shigeyuki

(Last) (First) (Middle)

C/O OOMA, INC.

525 ALMANOR AVE, SUITE 200

(Street)

SUNNYVALE CA 94085

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OOMA INC [ OOMA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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	12/15/2025		F(1)		3,231	D	$11.5	173,118	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. Shares delivered by Reporting Person to Issuer in payment of the withholding tax liability upon vesting of the restricted stock units.

	/s/ Shigeyuki Hamamatsu	12/16/2025
	** 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.