Tenon Medical, Inc. (TNON) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Tenon Medical are Chief Commercial Officer Nathaniel A. Grawey (239.28K shares), Ceo And President Steven M Foster (163.81K shares), Chief Innovation Officer Wyatt D. Geist (157.57K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Nathaniel A. Grawey Chief Commercial Officer 239,281 18 Nov, 2025
Steven M Foster Ceo And President 163,814 05 Jan, 2026
Wyatt D. Geist Chief Innovation Officer 157,569 18 Nov, 2025
Dick Steven M Van Chief Financial Officer 157 15 Jun, 2023
Richard Ginn Chief Technology Officer 85,589 05 Jan, 2026
Richard Ferrari 70,764 05 Jan, 2026
Kevin Williamson Chief Financial Officer 42,552 05 Jan, 2026
Kristine M Jacques 10,729 05 Jan, 2026
Ivan Howard 8,462 05 Jan, 2026
Stephen Hochschuler 7,938 05 Jan, 2026
Robert K Weigle 7,552 05 Jan, 2026
Frank M Fischer 10 24 May, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Jan, 2026 Stephen Hochschuler Common Stock D 3,327 $0.93 7,938 D F
05 Jan, 2026 Richard Ginn Common Stock D 47,426 $0.93 85,589 D F
05 Jan, 2026 Ivan Howard Common Stock D 3,327 $0.93 8,462 D F
05 Jan, 2026 Robert K Weigle Common Stock D 3,413 $0.93 7,552 D F
05 Jan, 2026 Kevin Williamson Common Stock D 18,518 $0.93 42,552 D F
01 Jan, 2026 Richard Ferrari Common Stock A 64,478 $0.00 70,764 D M
01 Jan, 2026 Stephen Hochschuler Common Stock A 10,732 $0.00 11,265 D M
01 Jan, 2026 Richard Ginn Common Stock A 126,577 $0.00 133,015 D M
01 Jan, 2026 Ivan Howard Common Stock A 10,732 $0.00 11,789 D M
01 Jan, 2026 Steven M Foster Common Stock A 140,936 $0.00 163,814 D M
01 Jan, 2026 Robert K Weigle Common Stock A 10,732 $0.00 10,965 D M
01 Jan, 2026 Kristine M Jacques Common Stock A 583 $0.00 10,729 D M
01 Jan, 2026 Kristine M Jacques Common Stock A 10,146 $0.00 10,146 D M
01 Jan, 2026 Kevin Williamson Common Stock A 58,987 $0.00 61,070 D M
14 Nov, 2025 Steven M Foster Common stock A 19,455 - 22,878 D P
14 Nov, 2025 Wyatt D. Geist Common stock A 19,455 - 157,569 D P
14 Nov, 2025 Nathaniel A. Grawey - - 239,281 D
14 Nov, 2025 Nathaniel A. Grawey Common stock A 101,167 - 239,281 D P
14 Jun, 2023 Dick Steven M Van Common Stock A 50,000 $0.27 157 D P
23 May, 2023 Richard Ginn - - 133 D