TNON

NASDAQ

Tenon Medical

$6.31
-0.52 (-7.61%)
Institutional
2.1%
Insider
10.25%
Retail/Other
87.6%
Shares Outstanding
17.4M

Top Institutional Holders

As of Aug 2026
Holder Shares % Change
Geode Capital Management, LLC 167K 1.5% +0.1M
Vanguard Group Inc 116K 1.1% -
Vanguard Capital Management, LLC 72K 0.7% +0.1M
Vanguard Fiduciary Trust Co 45K 0.4% +0.0M
SBI Securities Co Ltd 40K 0.4% -
Northern Trust Corp 18K 0.2% -0.0M
Spectrum Asset Management Inc 11K 0.1% -
Citigroup Inc 10K 0.1% +0.0M
UBS Group AG 4K 0.0% -0.0M
Tower Research Capital LLC 916 0.0% +0.0M

Insider Transactions

Last 24 months (3 insiders)
Wyatt D. Geist Chief Innovation Officer
487,166 shares
487K138K313KNov 2025May 2026
Buys (1)
Shares Price Value Date Remaining
19,455 - $22,957* 2025-11-14 157,569
Awards (1)
Shares Price Value Date Remaining
136,401 - $106,707* 2026-05-01 487,166
Steven M Foster CEO and President
262,962 shares
23K3.4K13KNov 2025Nov 2025
Buys (1)
Shares Price Value Date Remaining
19,455 - $22,957* 2025-11-14 22,878
Nathaniel A. Grawey Chief Commercial Officer
243,584 shares
244K138K191KNov 2025May 2026
Buys (1)
Shares Price Value Date Remaining
101,167 - $119,377* 2025-11-14 239,281
Awards (1)
Shares Price Value Date Remaining
68,201 - $53,354* 2026-05-01 243,584

Insider Activity Summary

Last 24 months
Total Bought
140,077 shares
$0
Total Sold
0 shares
$0
Net Shares
+140,077
Net Value
$+0
Activity by Insider
Name Bought Sold Net Shares Net Value
Nathaniel A. Grawey
Chief Commercial Officer
+101,167 - +101,167 $+0
Wyatt D. Geist
Chief Innovation Officer
+19,455 - +19,455 $+0
Steven M Foster
CEO and President
+19,455 - +19,455 $+0
Net insider buying: 140,077 shares ($0) in last 12 months

Congressional Trading

STOCK Act Disclosures

No congressional trading data available for this ticker.

Congressional trading data is sourced from STOCK Act disclosures and may not be available for all tickers.

Based on public disclosures. Reporting errors by representatives are common. Disclosure deadlines are 45 days after transaction.