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Tenon Medical, Inc.

TNON Net selling
CIK 0001560293 #5459 in the set updated 17 Sep 2026
Bought (12 mo)
$500.22K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$605.67K
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$605.67K
9 of 9 sales
Net
−$105.45K
−$105.45K against sales at will

By person

11 insiders · 21 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
HRT FINANCIAL LP entity
10% owner
$500.22K (9)
$605.67K (9)
−$105.45K
15,839
$88.06K
−29.6%
FOSTER STEVEN M
CEO and President
(1)
$0.00
262,962
$1.46M
+7,582%
Geist Wyatt D.
Chief Innovation Officer
(1)
$0.00
644,735
$3.58M
+31.9%
Grawey Nathaniel A.
Chief Commercial Officer
(1)
$0.00
482,865
$2.68M
+54.0%
GINN RICHARD
Chief Technology Officer
167,357
$930.50K
+2,500%
Ferrari Richard
Director
135,243
$751.95K
+2,051%
Jacques Kristine M
Director
20,876
$116.07K
HOWARD IVAN
Director
19,194
$106.72K
+1,861%
Hochschuler Stephen
Director
18,670
$103.81K
+3,403%
WEIGLE ROBERT K
Director
18,284
$101.66K
+11,696%
Williamson Kevin
Chief Financial Officer
2,580
$14.34K

No percentages here. This company's share count has moved by a factor of 16.9 over the window, from 667,047 to 11,296,378 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
HRT FINANCIAL LP
10 Sep 2026
10% owner
Sell
65,582
$5.56
$364.64K
HRT FINANCIAL LP
9 Sep 2026
10% owner
Sell
9,948
$4.27
$42.48K
HRT FINANCIAL LP
9 Sep 2026
10% owner
Sell
50,395
$2.61
$131.53K
HRT FINANCIAL LP
4 Sep 2026
10% owner
Sell
1,506
$3.70
$5.57K
HRT FINANCIAL LP
2 Sep 2026
10% owner
Sell
450
$4.53
$2.04K
HRT FINANCIAL LP
31 Aug 2026
10% owner
Sell
1,276
$4.66
$5.95K
HRT FINANCIAL LP
28 Aug 2026
10% owner
Sell
2,091
$7.90
$16.52K
HRT FINANCIAL LP
28 Aug 2026
10% owner
Sell
4,932
$7.07
$34.87K
HRT FINANCIAL LP
27 Aug 2026
10% owner
Sell
419
$4.96
$2.08K

What was left out

Form 4 filings counted 40
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 9
Transactions with no price 3
Shares from compensation/vesting 1,248,495
History held since 16 May 2022