Ooma CFO delivers 3,058 shares for tax withholding

OOMA’s CFO used 3,058 shares to cover taxes on RSU vesting and now holds 170,090 common shares directly.

Rhea-AI Filing Summary

OOMA INC (OOMA) reported that its SVP & Chief Financial Officer, Shigeyuki Hamamatsu, delivered 3,058 shares of common stock to the company on September 10, 2026 to pay withholding tax liability upon vesting of restricted stock units. After this tax-withholding disposition, he directly holds 170,090 shares of OOMA common stock. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Tax Withholding: 3,058 shares

Tax Withholding 1 txn

Insider Hamamatsu Shigeyuki

Role SVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	3,058	$22.67	$69K

Holdings After Transaction: Common Stock — 170,090 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.

Key Figures

Shares delivered for tax withholding: 3,058 shares Per-share value for tax-withholding shares: $22.67 per share Shares held after transaction: 170,090 shares

3 metrics

Shares delivered for tax withholding 3,058 shares Common stock delivered on September 10, 2026 to cover withholding tax on RSU vesting

Per-share value for tax-withholding shares $22.67 per share Valuation used for the 3,058 shares delivered for withholding tax liability

Shares held after transaction 170,090 shares OOMA common stock directly owned by CFO Shigeyuki Hamamatsu following the transaction

Key Terms

withholding tax liability, restricted stock units, Rule 10b5-1 trading plan

3 terms

withholding tax liability financial

"payment of the withholding tax liability upon vesting of the restricted stock units"

restricted stock units financial

"upon vesting of the restricted stock units"

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.

Rule 10b5-1 trading plan regulatory

"No Rule 10b5-1 trading plan is reported for this transaction"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

FAQ

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

What insider transaction did OOMA (OOMA) disclose in this Form 4?

OOMA disclosed that CFO Shigeyuki Hamamatsu delivered 3,058 shares of common stock to the company on September 10, 2026 to satisfy withholding taxes due upon vesting of restricted stock units.

Was the OOMA (OOMA) insider transaction a market sale or a tax withholding?

The transaction was a tax-withholding disposition. The CFO delivered 3,058 shares to OOMA to pay his withholding tax liability related to vesting restricted stock units, rather than selling shares in the open market.

How many OOMA (OOMA) shares does the CFO hold after this transaction?

After the transaction, CFO Shigeyuki Hamamatsu directly holds 170,090 shares of OOMA common stock, as reported in the Form 4 filing.

At what price per share were the OOMA (OOMA) shares valued for the tax-withholding transaction?

The 3,058 shares delivered for tax withholding were valued at $22.67 per share, according to the Form 4 disclosure.

Was the OOMA (OOMA) CFO’s transaction under a Rule 10b5-1 trading plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not marked, so this tax-withholding disposition was not reported as being made under a Rule 10b5-1 trading plan.

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

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Available on EDGAR 09/14/2026 - 05:00 PM Accepted by SEC EDGAR 09/14/2026 - 04:59 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^*

Hamamatsu Shigeyuki

(Last) (First) (Middle)

C/O OOMA, INC.

525 ALMANOR AVE, SUITE 200

(Street)

SUNNYVALE CALIFORNIA 94085

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	SVP & Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

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
Common Stock	09/10/2026		F(1)		3,058	D	$22.67	170,090	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	09/14/2026
	** 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)