Form4insider filings, from the source

Company · CIK 0001560293 · SIC 3841 — Surgical & Medical Instruments & Apparatus · Nasdaq

Tenon Medical, Inc. · TNON

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $500k · 4sales $606k · 5net −$105k
$10k$10k$100k$100k$1M$1MbuyssalesAug 26Aug 28Aug 31Sep 2Sep 5Sep 7Sep 10

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 9, 2026 SForm 4 →Sep 11, 2:13 pm EDTHRT FINANCIAL LP10% Owner125,925$4.28$538,64515,839−88.8%
Sep 8, 2026 PForm 4 →Sep 11, 2:13 pm EDTHRT FINANCIAL LP10% Owner108,140$3.54$382,98515,839— late
Sep 8, 2026 FMForm 4 →Sep 10, 4:01 pm EDTKevin WilliamsonChief Financial Officer41$3.45$382,580—
Sep 4, 2026 SForm 4 →Sep 8, 1:27 pm EDTHRT FINANCIAL LP10% Owner1,506$3.70$5,5721,946−43.6%
Sep 3, 2026 PForm 4 →Sep 8, 1:27 pm EDTHRT FINANCIAL LP10% Owner1,658$3.98$6,5993,452+92.4%
Sep 2, 2026 SForm 4 →Sep 3, 4:58 pm EDTHRT FINANCIAL LP10% Owner450$4.53$2,0391,794−20.1%
Sep 1, 2026 PForm 4 →Sep 3, 4:58 pm EDTHRT FINANCIAL LP10% Owner1,790$4.57$8,1802,244+394%
Aug 28, 2026 SForm 4 →Sep 1, 4:46 pm EDTHRT FINANCIAL LP10% Owner8,299$6.91$57,334454−94.8%
Aug 28, 2026 PForm 4 →Sep 1, 4:46 pm EDTHRT FINANCIAL LP10% Owner18,357$5.58$102,4581,730—
Aug 27, 2026 SForm 4 →Aug 31, 3:12 pm EDTHRT FINANCIAL LP10% Owner419$4.96$2,0789,604−4.18%
Jul 31, 2026 MForm 4 →Aug 4, 4:52 pm EDTRobert K WeigleDirector10,732——18,284—
Jul 31, 2026 MForm 4 →Aug 4, 4:52 pm EDTKristine M JacquesDirector10,147——20,876—
Jul 31, 2026 MForm 4 →Aug 4, 4:51 pm EDTIvan HowardDirector10,732——19,194—
Jul 31, 2026 MForm 4 →Aug 4, 4:51 pm EDTStephen HochschulerDirector10,732——18,670—
Jul 31, 2026 MForm 4 →Aug 4, 4:50 pm EDTRichard FerrariDirector64,479——135,243—
Jul 31, 2026 FMForm 4 →Aug 4, 4:43 pm EDTKevin WilliamsonChief Financial Officer71,965$0.198$2,57089,602—
Jul 31, 2026 FMForm 4 →Aug 4, 4:42 pm EDTRichard GinnChief Technology Officer, Director171,386$0.198$8,872167,357—
Jul 31, 2026 FMForm 4 →Aug 4, 4:42 pm EDTSteven M FosterCEO and President, Director182,724$0.198$8,274262,962—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 MForm 4 →Sep 10, 4:01 pm EDTKevin WilliamsonChief Financial Officer30——60—
Jul 31, 2026 MForm 4 →Aug 4, 4:52 pm EDTRobert K WeigleDirector10,732——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:52 pm EDTKristine M JacquesDirector10,147——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:51 pm EDTIvan HowardDirector10,732——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:51 pm EDTStephen HochschulerDirector10,732——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:50 pm EDTRichard FerrariDirector64,479——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:43 pm EDTKevin WilliamsonChief Financial Officer58,987——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:42 pm EDTRichard GinnChief Technology Officer, Director126,577——0—
Jul 31, 2026 MForm 4 →Aug 4, 4:42 pm EDTSteven M FosterCEO and President, Director140,936——0—