Tenon Medical, Inc. (TNON)
Nasdaq: TNON · Surgical & Medical Instruments & Apparatus · Los Gatos, CA · filing with the SEC since 2012
Who owns Tenon Medical, Inc.
As filed with the SECHolders of 5% or more
2
SiVantage Inc. holds 12.5% of Common Stock, $0.001 par value, as its SCHEDULE 13D filed Aug 8, 2025 says.
Directors and officers
10
report now, of 12 people on the record since 2022. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
SiVantage Inc.
SCHEDULE 13D · filed Aug 8, 2025 · Common Stock, $0.001 par value
Armistice Capital, LLC
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, par value $0.001 per share
Mitchell P. Kopin
SCHEDULE 13G · filed Jul 6, 2026 · Common stock, par value $0.001 per share · reported falling below 5%
What TNON reports owning in othersstakes of 5% or more, and other ties
Tenon Medical, Inc. reports no stake in another company in the record.
Insider tradesForm 4
0sales
3purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 14 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Hrt Financial LP | 10% owner | 9 | $600,000 | 0 | 9 | $500,000 |
| Foster Steven M | CEO and President | 0 | $0 | 0 | 1 | $0 |
| Geist Wyatt D. | Chief Innovation Officer | 0 | $0 | 0 | 1 | $0 |
| Grawey Nathaniel A. | Chief Commercial Officer | 0 | $0 | 0 | 1 | $0 |