Ooma CFO sells 4,807 shares in plan trade

Ooma’s CFO reported a 10b5-1 plan sale and a separate tax-withholding share delivery on September 1, 2026.

Rhea-AI Filing Summary

OOMA INC (OOMA) reported insider transactions by Shigeyuki Hamamatsu, its SVP & Chief Financial Officer. On September 1, 2026, he sold 4,807 shares of common stock at $22.33 per share in a transaction effected under a Rule 10b5-1 trading plan. On the same date, 3,081 shares were delivered to Ooma to pay withholding tax liability upon vesting of restricted stock units at a value of $21.88 per share.

Insider Trade Summary 10b5-1

Net Seller: 4,807 shares

Net Sell 2 txns

Insider Hamamatsu Shigeyuki

Role SVP & Chief Financial Officer

Sold 4,807 shs ($107K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	4,807	$22.33	$107K
Tax Withholding	Common Stock F2	3,081	$21.88	$67K

Holdings After Transaction: Common Stock — 176,339 shares (Direct)

Footnotes (2)

1. F1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person.
2. F2. Shares delivered by Reporting Person to Issuer in payment of the withholding tax liability upon vesting of the restricted stock units.

Key Figures

Shares sold: 4,807 shares Sale price per share: $22.33 per share Shares delivered for tax withholding: 3,081 shares +1 more

4 metrics

Shares sold 4,807 shares Common stock sale by CFO on September 1, 2026

Sale price per share $22.33 per share Price for 4,807-share sale on September 1, 2026

Shares delivered for tax withholding 3,081 shares Shares delivered to Ooma to pay withholding tax liability

Per-share value for tax-withholding shares $21.88 per share Valuation for 3,081 shares delivered for withholding tax liability

Key Terms

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

3 terms

Rule 10b5-1 trading plan regulatory

"This transaction was effected pursuant to a 10b5-1 trading plan adopted"

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.

withholding tax liability financial

"in payment of the withholding tax liability upon vesting of the"

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.

FAQ

What insider transactions did OOMA report for its CFO on this Form 4?

OOMA reported that its CFO, Shigeyuki Hamamatsu, sold 4,807 shares of common stock at $22.33 per share and separately delivered 3,081 shares to the company to cover withholding tax liability on vested restricted stock units on September 1, 2026.

Were the OOMA CFO’s share sales made under a Rule 10b5-1 plan?

Yes. The filing states that the 4,807-share sale on September 1, 2026 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, and the document-level 10b5-1 checkbox is affirmed.

How many OOMA shares did the CFO sell, and at what price?

Shigeyuki Hamamatsu sold 4,807 shares of OOMA common stock on September 1, 2026 at a price of $22.33 per share in an open-market or private transaction, as characterized in the Form 4.

What is the nature of the 3,081 OOMA shares reported with code F?

The 3,081 shares reported with transaction code F on September 1, 2026 were delivered to Ooma to pay the reporting person’s withholding tax liability upon vesting of restricted stock units, valued at $21.88 per share.

Does the Form 4 show the CFO’s OOMA share holdings after these transactions?

No. The Form 4 transactions list share counts and prices, but the fields for total shares following the transactions are not filled, so post-transaction holdings are not stated in this data.

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

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Available on EDGAR 09/03/2026 - 07:17 PM Accepted by SEC EDGAR 09/03/2026 - 07:16 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).

X

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)
09/01/2026

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	09/01/2026		S(1)		4,807	D	$22.33	179,420	D
Common Stock	09/01/2026		F(2)		3,081	D	$21.88	176,339	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. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person.

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

	/s/ Shigeyuki Hamamatsu	09/03/2026
	** 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)