Form4insider filings, from the source

Company · CIK 0000088941 · SIC 3674 — Semiconductors & Related Devices · Nasdaq

SEMTECH CORP · SMTC

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $6.7M · 16net −$6.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 26Jul 11Jul 26Aug 11Aug 26Sep 11Sep 26

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 SForm 4 →Sep 25, 4:05 pm EDTPaul V Walsh Jr.Director500$172.61$86,30526,600−1.85%10b5-1
Sep 16, 2026 SForm 4 →Sep 18, 4:01 pm EDTRodolpho C CardenutoDirector5,321$165.00$877,9780−100%
Sep 10, 2026 FMForm 4 →Sep 14, 4:03 pm EDTHong Q HouPresident and CEO, Director12,267$163.94$678,22064,792—
Sep 10, 2026 FMForm 4 →Sep 14, 4:02 pm EDTJason Elliot GreenEVP and CCO3,500$163.94$162,13710,133—
Sep 10, 2026 FMForm 4 →Sep 14, 4:02 pm EDTJohn Michael WilsonChief Quality Officer and CTO2,113$163.94$116,88981,563—
Sep 10, 2026 SForm 4 →Sep 14, 4:01 pm EDTMark LinEVP and CFO683$159.90$109,21235,366−1.89%10b5-1
Sep 10, 2026 FMForm 4 →Sep 14, 4:01 pm EDTMark LinEVP and CFO3,543$163.94$195,90836,049—10b5-1
Sep 10, 2026 FMForm 4 →Sep 14, 4:01 pm EDTAsaf SilbersteinEVP and COO3,680$163.94$203,4501,198—
Sep 4, 2026 SForm 4 →Sep 9, 4:02 pm EDTJulie Garcia RuehlDirector1,500$145.00$217,5007,140−17.4%10b5-1
Sep 4, 2026 SForm 4 →Sep 9, 4:01 pm EDTHong Q HouPresident and CEO, Director2,000$138.71$277,42060,799−3.18%10b5-1
Aug 19, 2026 SForm 4 →Aug 21, 4:01 pm EDTPaul V Walsh Jr.Director500$135.48$67,74027,100−1.81%10b5-1
Aug 17, 2026 SForm 4 →Aug 19, 4:01 pm EDTAsaf SilbersteinEVP and COO5,000$150.00$750,00088,862−5.33%10b5-1
Aug 7, 2026 SForm 4 →Aug 11, 4:05 pm EDTHong Q HouPresident and CEO, Director2,000$140.00$280,00062,799−3.09%10b5-1
Jul 22, 2026 SForm 4 →Jul 24, 4:01 pm EDTPaul V Walsh Jr.Director500$133.07$66,53527,600−1.78%10b5-1
Jul 14, 2026 SForm 4 →Jul 16, 4:01 pm EDTAsaf SilbersteinEVP and COO3,000$145.04$435,12093,862−3.10%10b5-1
Jul 10, 2026 SForm 4 →Jul 14, 4:01 pm EDTHong Q HouPresident and CEO, Director2,000$133.00$266,00064,799−2.99%10b5-1
Jul 8, 2026 SForm 4 →Jul 10, 4:05 pm EDTAsaf SilbersteinEVP and COO8,500$127.80$1,086,31996,862−8.07%10b5-1
Jul 7, 2026 SForm 4 →Jul 9, 4:49 pm EDTJason Elliot GreenEVP and CCO2,264$129.90$294,0868,611−20.8%10b5-1
Jul 1, 2026 SForm 4 →Jul 6, 5:14 pm EDTMark LinEVP and CFO970$150.41$145,89334,896−2.70%10b5-1
Jul 1, 2026 FMForm 4 →Jul 6, 5:14 pm EDTMark LinEVP and CFO4,725$161.85$252,64835,866—10b5-1
Jul 1, 2026 GForm 4 →Jul 6, 5:11 pm EDTAsaf SilbersteinEVP and COO77,732——105,362—
Jul 1, 2026 FMForm 4 →Jul 6, 5:09 pm EDTHong Q HouPresident and CEO, Director9,784$161.85$534,10566,799—
Jun 30, 2026 SForm 4 →Jul 2, 4:04 pm EDTGregory Michael FischerDirector1,500$156.24$234,3605,678−20.9%10b5-1
Jun 29, 2026 SForm 4 →Jul 1, 4:04 pm EDTHong Q HouPresident and CEO, Director9,605$152.57$1,465,40863,615−13.1%

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 MForm 4 →Sep 14, 4:03 pm EDTHong Q HouPresident and CEO, Director8,130——48,775—
Sep 10, 2026 MForm 4 →Sep 14, 4:02 pm EDTJason Elliot GreenEVP and CCO2,511——15,065—
Sep 10, 2026 MForm 4 →Sep 14, 4:02 pm EDTJohn Michael WilsonChief Quality Officer and CTO1,400——8,400—
Sep 10, 2026 MForm 4 →Sep 14, 4:01 pm EDTMark LinEVP and CFO2,348——14,091—10b5-1
Sep 10, 2026 MForm 4 →Sep 14, 4:01 pm EDTAsaf SilbersteinEVP and COO2,439——14,633—
Jul 1, 2026 MForm 4 →Jul 6, 5:14 pm EDTMark LinEVP and CFO3,164——3,165—10b5-1
Jul 1, 2026 MForm 4 →Jul 6, 5:09 pm EDTHong Q HouPresident and CEO, Director6,484——25,933—