STOCK TITAN

Tenon Medical (TNON) CEO details RSU conversion and tax-liability share sale

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Tenon Medical, Inc. reported equity compensation activity by CEO and President Steven M. Foster140,936 Restricted Stock Units (RSUs) that were granted on October 13, 2025 converted into 140,936 shares of common stock, with each RSU representing a contingent right to one share.

In a related transaction on August 3, 2026, 41,788 shares of common stock were disposed of at $0.198 per share. Footnote disclosure states these shares were sold to pay the tax liability associated with the vesting of the RSUs, indicating a tax-withholding disposition rather than an open-market portfolio trade.

Positive

  • None.

Negative

  • None.
Insider FOSTER STEVEN M
Role CEO and President
Type Security Shares Price Value
Tax Withholding Common Stock F2 41,788 $0.198 $8K
Exercise Restricted Stock Units F1, F3 140,936 $0.00 $0.00
Exercise Common Stock F1 140,936 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 262,962 shares (Direct)
Footnotes (3)
  1. F1. Represents conversion of 140,936 restricted stock units ('RSUs') granted to the reporting person on October 13, 2025 into 140,936 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.
RSUs converted 140,936 units Restricted Stock Units converted into common stock on July 31, 2026
Shares received from RSU conversion 140,936 shares Common stock issued upon RSU conversion on July 31, 2026
Shares sold for tax liability 41,788 shares Common stock disposed of on August 3, 2026 to pay RSU-related taxes
Tax-liability sale price $0.1980 per share Price for 41,788 shares sold to cover tax liability on August 3, 2026
Restricted Stock Units financial
"Represents conversion of 140,936 restricted stock units ('RSUs') 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.
contingent right financial
"Each restricted stock unit represents a contingent right to receive one share of common stock"
tax liability financial
"These shares were sold to pay tax liability associated with the vesting of RSUs"
derivative security financial
"Exercise or conversion of derivative security"
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.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider activity did Tenon Medical (TNON) report for CEO Steven M. Foster?

Tenon Medical reported that CEO Steven M. Foster had 140,936 RSUs convert into 140,936 shares of common stock on July 31, 2026, and later 41,788 shares were sold at $0.198 per share to cover RSU-related tax liabilities.

How many Restricted Stock Units vested for Tenon Medical (TNON) CEO and when were they granted?

The CEO had 140,936 RSUs convert into common shares. Footnotes state these RSUs were granted on October 13, 2025 and converted into 140,936 shares of common stock on July 31, 2026 as part of his equity compensation.

Why were 41,788 Tenon Medical (TNON) shares disposed of by the CEO?

The CEO disposed of 41,788 shares of common stock at $0.198 per share specifically to pay the tax liability associated with the vesting of RSUs, according to the transaction footnote, indicating a tax-withholding related sale.

What does the RSU conversion mean for Tenon Medical (TNON) CEO’s equity compensation?

The conversion means 140,936 Restricted Stock Units, each a contingent right to one share, became 140,936 shares of common stock. This reflects the vesting and settlement of a previously granted equity award to the CEO.

Were Tenon Medical (TNON) CEO transactions reported as option exercises or RSU conversions?

The transactions reflect a conversion of Restricted Stock Units rather than traditional stock options. 140,936 RSUs converted into the same number of common shares, followed by a tax-related share sale of 41,788 shares to cover obligations from that vesting.
SEC Form 4
FORM 4UNITED 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*
FOSTER STEVEN M

(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO and President
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock(1)07/31/2026M140,936A$0304,750D
Common Stock(2)08/03/2026F41,788D$0.198262,962D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)(3)07/31/2026M140,936 (1) (1)Common Stock140,936$00D
Explanation of Responses:
1. Represents conversion of 140,936 restricted stock units ('RSUs') granted to the reporting person on October 13, 2025 into 140,936 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/ Steven Foster08/04/2026
** Signature of Reporting PersonDate
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)