Tenon Medical (TNON) CFO reports RSU vesting and tax share withholding

Rhea-AI Filing Summary

Tenon Medical, Inc. Chief Financial Officer Kevin Williamson reported equity compensation activity and related tax withholding. On July 31, 2026, 58,987 restricted stock units vested and converted into 58,987 shares of common stock. On August 3, 2026, 12,978 common shares were delivered/withheld at $0.198 per share to satisfy tax liabilities arising from this RSU vesting.

Insider Trade Summary

Net Buyer: 46,009 shares

Net Buy 3 txns

Insider Williamson Kevin

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F2	12,978	$0.198	$3K
Exercise	Restricted Stock Units F1, F3	58,987	$0.00	$0.00
Exercise	Common Stock F1	58,987	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 89,602 shares (Direct)

Footnotes (3)

1. F1. Represents conversion of 58,987 restricted stock units ('RSUs') granted to the reporting person on October 13, 2025 into 58,987 shares of common stock of the Issuer on July 31, 2026.
2. F2. These shares were sold to pay tax liability associated with the vesting of RSUs.
3. F3. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

Key Figures

RSUs converted: 58,987 shares Shares withheld for taxes: 12,978 shares Tax withholding price: $0.198 per share +1 more

4 metrics

RSUs converted 58,987 shares Restricted stock units converted into common stock on July 31, 2026

Shares withheld for taxes 12,978 shares Common shares delivered/withheld to pay tax liability from RSU vesting

Tax withholding price $0.198 per share Value applied to shares used to satisfy tax obligations

RSU-to-share ratio 1 share per RSU Each restricted stock unit represents a right to receive one share of common stock

Key Terms

Restricted Stock Units, tax liability, derivative security

3 terms

Restricted Stock Units financial

"Represents conversion of 58,987 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 liability financial

"These shares were sold to pay tax liability associated with the vesting of RSUs"

derivative security financial

"Transaction code M reflects exercise or conversion of derivative security RSUs into common stock"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 04:43 PM Accepted by SEC EDGAR 08/04/2026 - 04:43 PM Learn about SEC filing dates

FAQ

What transactions did Tenon Medical (TNON) CFO Kevin Williamson report in this Form 4?

Kevin Williamson reported vesting and conversion of 58,987 RSUs into common stock on July 31, 2026, followed by a disposition of 12,978 shares on August 3, 2026, delivered or withheld at $0.198 per share to cover tax obligations from the vesting.

How many RSUs vested for Tenon Medical (TNON) CFO Kevin Williamson and when?

A total of 58,987 restricted stock units granted to Kevin Williamson vested and converted into the same number of common shares on July 31, 2026. Each RSU represented a contingent right to receive one share of Tenon Medical common stock upon vesting and conversion.

Why were 12,978 Tenon Medical (TNON) shares disposed of by Kevin Williamson?

The 12,978 common shares were delivered or withheld to pay tax liability associated with the vesting of the RSUs. The shares used for this tax-withholding disposition were valued at $0.198 per share, according to the reported transaction details and accompanying footnote explanation.

Were Kevin Williamson’s Tenon Medical (TNON) transactions made under a Rule 10b5-1 trading plan?

These transactions were not reported as being made under a Rule 10b5-1 trading plan. The plan-related checkbox for Rule 10b5-1 was left unchecked, indicating the RSU vesting and related tax-withholding disposition were not executed pursuant to such a pre-arranged trading arrangement.

What type of securities were involved in Tenon Medical (TNON) CFO Kevin Williamson’s Form 4 filing?

The filing involved Restricted Stock Units (RSUs) and the corresponding common stock of Tenon Medical. RSUs granted on October 13, 2025 converted into 58,987 common shares on July 31, 2026, with a portion of those common shares withheld to satisfy related tax obligations.

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^*

Williamson Kevin

(Last) (First) (Middle)

104 COOPER COURT

(Street)

LOS GATOS CALIFORNIA 95032

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Tenon Medical, Inc. [ TNON ]

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026

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(1)	07/31/2026		M		58,987	A	$0	102,580	D
Common Stock(2)	08/03/2026		F		12,978	D	$0.198	89,602	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
Restricted Stock Units(1)	(3)	07/31/2026		M			58,987	(1)	(1)	Common Stock	58,987	$0	0	D

Explanation of Responses:

1. Represents conversion of 58,987 restricted stock units ('RSUs') granted to the reporting person on October 13, 2025 into 58,987 shares of common stock of the Issuer on July 31, 2026.

2. These shares were sold to pay tax liability associated with the vesting of RSUs.

3. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

	/s/ Kevin Williamson	08/04/2026
	** 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)