TNON

Tenon Medical, Inc.

Surgical & Medical Instruments & ApparatusNasdaq<br>Emerging growth company

Total Trades

8

Buys

4

Sells

2

Largest Trade

N/A

Insiders

5

Institutional Funds

11

Inst. Value

$100K–$500K

Activist Filings

5

Insider Trades

InsiderTitleTypeValueSharesPriceDate
FOSTER STEVEN MCEO and PresidentBUYN/A19KNov 19, 2025
Geist Wyatt D.Chief Innovation O…BUYN/A19KNov 19, 2025
Grawey Nathaniel A.Chief Commercial O…BUYN/A101KNov 19, 2025
VAN DICK STEVEN MCFOBUY$1K–$15K50K$0.27Jun 15, 2023
FOSTER STEVEN MCEO and PresidentEXERCISE$100K–$500K72K$1.62May 24, 2023
FOSTER STEVEN MCEO and PresidentSELL$15K–$50K28K$1.26May 24, 2023
GINN RICHARDCTOSELL$50K–$100K65K$1.26May 24, 2023
GINN RICHARDCTOEXERCISE$100K–$500K150K$1.62May 24, 2023
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Institutional Ownership

13F filings as of Dec 31, 2025 · 11 funds holding

FundShares
DRW Securities, LLC103K
VANGUARD GROUP INC72K
GEODE CAPITAL MANAGEMENT, LLC62K
SBI Securities Co., Ltd.40K
Virtu Financial LLC15K
Spectrum Asset Management, Inc. (NB/CA)11K
UBS Group AG4K
MORGAN STANLEY188
BNP PARIBAS FINANCIAL MARKETS24
Allworth Financial LP20
CITIGROUP INC1

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

SiVantage Inc.

SC 13D · Aug 8, 2025

12.5%

987K shares

32.6%

8.7M shares

32.6%

8.7M shares

32.5%

8.7M shares

Zuhlke Ventures AG

SC 13G · May 17, 2022

21.8%

2.4M shares

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