Tenon holder HRT buys 1,658 shares, sells 1,506

A ten percent owner of Tenon Medical, Inc. reported small offsetting buy and sell trades in TNON common stock on consecutive days.

Rhea-AI Filing Summary

Tenon Medical, Inc. (TNON) reported that major shareholder HRT FINANCIAL LP, a ten percent owner, both bought and sold Tenon common stock in early September 2026. On September 3, HRT FINANCIAL LP purchased 1,658 shares at $3.98 per share, then on September 4 sold 1,506 shares at $3.70 per share in open market or private transactions. Overall, these reported trades represent a small net purchase of 152 shares, and no post-transaction share balance is stated.

Insider Trade Summary

Net Buyer: 152 shares

Net Buy 2 txns

Insider HRT FINANCIAL LP

Role 10% Owner

Bought 1,658 shs ($7K)

Sold 1,506 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,506	$3.70	$6K
Purchase	Common Stock F1	1,658	$3.98	$7K

Holdings After Transaction: Common Stock — 1,946 shares (Direct)

Footnotes (1)

1. F1. We will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

Key Figures

Shares purchased: 1,658 shares Purchase price: $3.98 per share Shares sold: 1,506 shares +4 more

7 metrics

Shares purchased 1,658 shares Common Stock bought on September 3, 2026 by HRT FINANCIAL LP

Purchase price $3.98 per share Price for 1,658 shares of Common Stock on September 3, 2026

Shares sold 1,506 shares Common Stock sold on September 4, 2026 by HRT FINANCIAL LP

Sale price $3.70 per share Price for 1,506 shares of Common Stock on September 4, 2026

Net shares acquired 152 shares Net of 1,658 shares purchased and 1,506 shares sold

Reported buy transactions 1 Number of purchase transactions in this Form 4

Reported sale transactions 1 Number of sale transactions in this Form 4

Key Terms

ten percent owner, Common Stock, open market or private transaction

3 terms

ten percent owner regulatory

"HRT FINANCIAL LP is identified as a ten percent owner of Tenon"

Common Stock financial

"Transactions involve Tenon Medical, Inc. Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open market or private transaction financial

"Described as a sale in open market or private transaction"

FAQ

What insider trades in TNON stock did HRT FINANCIAL LP report?

HRT FINANCIAL LP reported a purchase of 1,658 TNON common shares on September 3, 2026 at $3.98 per share and a sale of 1,506 shares on September 4, 2026 at $3.70 per share, both as open market or private transactions.

Is HRT FINANCIAL LP a major shareholder of Tenon Medical, Inc. (TNON)?

Yes. HRT FINANCIAL LP is identified as a ten percent owner of Tenon Medical, Inc., meaning it beneficially owns more than 10% of the company’s outstanding common stock.

What was the net effect of HRT FINANCIAL LP’s recent TNON trades?

Across the reported transactions, HRT FINANCIAL LP had a net purchase of 152 shares of Tenon Medical, Inc. common stock, with 1,658 shares bought and 1,506 shares sold on consecutive days.

Were HRT FINANCIAL LP’s TNON trades made under a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is not selected, and there is no footnote stating that these trades were made under a Rule 10b5-1 trading plan.

What prices were reported for HRT FINANCIAL LP’s TNON trades?

The reported average prices were $3.98 per share for the purchase of 1,658 shares on September 3, 2026 and $3.70 per share for the sale of 1,506 shares on September 4, 2026, subject to footnote qualification regarding separate execution prices.

Does the Form 4 state HRT FINANCIAL LP’s total TNON holdings after these trades?

No. The Form 4 records the share amounts bought and sold but does not state a total number of shares held by HRT FINANCIAL LP following these transactions.

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

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Available on EDGAR 09/08/2026 - 01:27 PM Accepted by SEC EDGAR 09/08/2026 - 01:27 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^*

HRT FINANCIAL LP

(Last) (First) (Middle)

3 WORLD TRADE CENTER, 175 GREENWICH STRE

76TH FLOOR

(Street)

NEW YORK NEW YORK 10007

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2026

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	09/03/2026		P		1,658	A	$3.98(1)	3,452	D
Common Stock	09/04/2026		S		1,506	D	$3.7(1)	1,946	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. We will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

	Adam Nunes	09/08/2026
	** 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)