The Filings Report

Semtech Corp insider trading

SMTCfinancial statementsForm 4 filings on EDGAR294 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Semtech Corp bought $0 of stock in the open market, and 7 sold $4M. Officers and directors accounted for $0 of purchases and $4M of sales. The last reported transaction was an open-market sale by Walsh Paul V Jr on October 21, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 23, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

SMTC daily priceSplit-adjusted prices in US dollars

Bought $0Sold $4MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $127.98 · H $132.70 · L $122.39 · C $127.38Bought $0 (0)Sold $0 (0)
$110$134$158$183$2072026-08-04: open $127.25, high $130.77, low $125.64, close $129.162026-08-05: open $126.85, high $130.00, low $121.17, close $121.252026-08-06: open $119.74, high $137.15, low $117.50, close $134.782026-08-07: open $140.17, high $143.75, low $136.01, close $139.422026-08-10: open $142.00, high $143.65, low $131.12, close $131.272026-08-11: open $133.70, high $135.04, low $130.00, close $131.182026-08-12: open $139.69, high $142.37, low $137.41, close $140.002026-08-13: open $138.67, high $140.89, low $131.37, close $133.582026-08-14: open $133.83, high $140.61, low $132.78, close $140.352026-08-17: open $144.78, high $155.77, low $143.99, close $154.222026-08-18: open $145.88, high $148.63, low $132.92, close $135.232026-08-19: open $135.48, high $138.16, low $122.99, close $125.362026-08-20: open $125.24, high $127.97, low $123.50, close $124.882026-08-21: open $131.05, high $132.78, low $122.45, close $124.092026-08-24: open $119.63, high $123.14, low $115.00, close $120.912026-08-25: open $126.00, high $128.97, low $124.11, close $127.522026-08-26: open $130.90, high $146.87, low $128.00, close $140.802026-08-27: open $149.40, high $150.37, low $139.44, close $142.432026-08-28: open $141.76, high $142.07, low $130.13, close $131.172026-08-31: open $132.30, high $134.65, low $129.24, close $132.962026-09-01: open $127.63, high $134.74, low $124.83, close $132.272026-09-02: open $133.00, high $134.68, low $128.17, close $133.852026-09-03: open $133.10, high $135.89, low $126.73, close $135.402026-09-04: open $138.71, high $148.03, low $136.24, close $147.892026-09-08: open $150.00, high $165.37, low $149.33, close $162.622026-09-09: open $164.09, high $169.00, low $162.36, close $163.942026-09-10: open $159.91, high $161.61, low $154.40, close $159.132026-09-11: open $162.89, high $170.43, low $160.10, close $167.242026-09-14: open $155.31, high $157.99, low $146.91, close $147.052026-09-15: open $149.65, high $153.80, low $147.88, close $150.912026-09-16: open $153.81, high $170.52, low $153.10, close $167.552026-09-17: open $170.85, high $182.13, low $170.00, close $178.192026-09-18: open $182.33, high $185.46, low $179.10, close $185.002026-09-21: open $190.30, high $190.64, low $176.05, close $177.372026-09-22: open $174.12, high $178.50, low $172.22, close $174.332026-09-23: open $174.50, high $174.50, low $165.01, close $169.332026-09-24: open $164.04, high $174.71, low $162.56, close $174.502026-09-25: open $177.70, high $185.00, low $176.41, close $182.302026-09-28: open $179.00, high $180.08, low $167.11, close $174.782026-09-29: open $178.74, high $184.45, low $177.03, close $180.102026-09-30: open $181.69, high $183.18, low $175.29, close $178.352026-10-01: open $180.13, high $188.24, low $175.66, close $186.592026-10-02: open $191.88, high $201.99, low $190.69, close $194.882026-10-05: open $193.41, high $194.76, low $189.63, close $192.832026-10-06: open $196.29, high $200.10, low $192.57, close $197.202026-10-07: open $190.08, high $194.53, low $188.37, close $193.782026-10-08: open $189.71, high $196.99, low $184.25, close $187.492026-10-09: open $193.00, high $195.47, low $178.10, close $187.302026-10-12: open $183.76, high $183.76, low $167.15, close $168.282026-10-13: open $166.40, high $178.24, low $162.08, close $172.782026-10-14: open $165.48, high $168.90, low $159.03, close $160.262026-10-15: open $153.20, high $155.83, low $133.66, close $144.212026-10-16: open $146.00, high $146.67, low $135.85, close $136.732026-10-19: open $144.62, high $146.54, low $139.95, close $142.222026-10-20: open $138.00, high $143.66, low $132.69, close $136.202026-10-21: open $141.33, high $142.70, low $137.68, close $141.632026-10-22: open $132.33, high $133.10, low $123.36, close $125.122026-10-23: open $124.24, high $135.48, low $122.01, close $132.002026-10-26: open $133.20, high $140.50, low $131.49, close $136.732026-10-27: open $140.74, high $145.24, low $138.94, close $144.352026-10-28: open $146.56, high $149.86, low $144.02, close $146.972026-10-29: open $140.25, high $144.40, low $139.50, close $140.852026-10-30: open $127.98, high $132.70, low $122.39, close $127.38Insider purchases / sales · USD$1M$0−$1M2026-08-07: 0 purchases ($0), 1 sales ($280K)2026-08-17: 0 purchases ($0), 1 sales ($750K)2026-08-19: 0 purchases ($0), 1 sales ($68K)2026-09-04: 0 purchases ($0), 2 sales ($495K)2026-09-10: 0 purchases ($0), 1 sales ($109K)2026-09-16: 0 purchases ($0), 1 sales ($878K)2026-09-23: 0 purchases ($0), 1 sales ($86K)2026-10-01: 0 purchases ($0), 1 sales ($173K)2026-10-02: 0 purchases ($0), 1 sales ($382K)2026-10-07: 0 purchases ($0), 1 sales ($527K)2026-10-21: 0 purchases ($0), 1 sales ($70K)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

294 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 21, 2026Walsh Paul V JrDirectoropen-market sale10b5-1500$139.44$70K26,100Oct 23, 2026
Oct 7, 2026Green Jason ElliotEVP and CCOopen-market sale10b5-12,766$190.35$527K7,367Oct 9, 2026
Oct 2, 2026Hou Hong QPresident and CEO, Directoropen-market sale10b5-12,000$191.21$382K65,976Oct 5, 2026
Oct 1, 2026Lin MarkEVP and CFOoption exercise3,165$0.00—38,531Oct 5, 2026
Oct 1, 2026Lin MarkEVP and CFOtax withholding1,565$178.35$279K36,966Oct 5, 2026
Oct 1, 2026Lin MarkEVP and CFOopen-market sale10b5-1967$178.87$173K35,999Oct 5, 2026
Oct 1, 2026Hou Hong QPresident and CEO, Directoroption exercise6,483$0.00—71,275Oct 5, 2026
Oct 1, 2026Hou Hong QPresident and CEO, Directortax withholding3,299$178.35$588K67,976Oct 5, 2026
Sep 23, 2026Walsh Paul V JrDirectoropen-market sale10b5-1500$172.61$86K26,600Sep 25, 2026
Sep 16, 2026Cardenuto Rodolpho CDirectoropen-market sale5,321$165.00$878K0Sep 18, 2026
Sep 10, 2026Hou Hong QPresident and CEO, Directoroption exercise8,130$0.00—68,929Sep 14, 2026
Sep 10, 2026Hou Hong QPresident and CEO, Directortax withholding4,137$163.94$678K64,792Sep 14, 2026
Sep 10, 2026Green Jason ElliotEVP and CCOoption exercise2,511$0.00—11,122Sep 14, 2026
Sep 10, 2026Green Jason ElliotEVP and CCOtax withholding989$163.94$162K10,133Sep 14, 2026
Sep 10, 2026Wilson John MichaelChief Quality Officer and CTOoption exercise1,400$0.00—82,276Sep 14, 2026
Sep 10, 2026Wilson John MichaelChief Quality Officer and CTOtax withholding713$163.94$117K81,563Sep 14, 2026
Sep 10, 2026Lin MarkEVP and CFOoption exercise2,348$0.00—37,244Sep 14, 2026
Sep 10, 2026Lin MarkEVP and CFOtax withholding1,195$163.94$196K36,049Sep 14, 2026
Sep 10, 2026Lin MarkEVP and CFOopen-market sale10b5-1683$159.90$109K35,366Sep 14, 2026
Sep 10, 2026Silberstein AsafEVP and COOoption exercise2,439$0.00—2,439Sep 14, 2026
Sep 10, 2026Silberstein AsafEVP and COOtax withholding1,241$163.94$203K1,198Sep 14, 2026
Sep 4, 2026Ruehl Julie GarciaDirectoropen-market sale10b5-11,500$145.00$218K7,140Sep 9, 2026
Sep 4, 2026Hou Hong QPresident and CEO, Directoropen-market sale10b5-12,000$138.71$277K60,799Sep 9, 2026
Aug 19, 2026Walsh Paul V JrDirectoropen-market sale10b5-1500$135.48$68K27,100Aug 21, 2026
Aug 17, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect5,000$150.00$750K88,862Aug 19, 2026
Aug 7, 2026Hou Hong QPresident and CEO, Directoropen-market sale10b5-12,000$140.00$280K62,799Aug 11, 2026
Jul 22, 2026Walsh Paul V JrDirectoropen-market sale10b5-1500$133.07$67K27,600Jul 24, 2026
Jul 14, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect3,000$145.04$435K93,862Jul 16, 2026
Jul 10, 2026Hou Hong QPresident and CEO, Directoropen-market sale10b5-12,000$133.00$266K64,799Jul 14, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect437$124.19$54K104,925Jul 10, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect2,448$125.18$306K102,477Jul 10, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect273$126.60$35K102,204Jul 10, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect588$127.61$75K101,616Jul 10, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect1,400$128.70$180K100,216Jul 10, 2026
Jul 8, 2026Silberstein AsafEVP and COOopen-market sale10b5-1indirect3,354$129.94$436K96,862Jul 10, 2026
Jul 7, 2026Green Jason ElliotEVP and CCOopen-market sale10b5-11,132$129.32$146K9,743Jul 9, 2026
Jul 7, 2026Green Jason ElliotEVP and CCOopen-market sale10b5-11,132$130.47$148K8,611Jul 9, 2026
Jul 1, 2026Lin MarkEVP and CFOoption exercise3,164$0.00—37,427Jul 6, 2026
Jul 1, 2026Lin MarkEVP and CFOtax withholding1,561$161.85$253K35,866Jul 6, 2026
Jul 1, 2026Lin MarkEVP and CFOopen-market sale10b5-1970$150.41$146K34,896Jul 6, 2026
Jul 1, 2026Silberstein AsafEVP and COOgift38,866$0.00—0Jul 6, 2026
Jul 1, 2026Silberstein AsafEVP and COOgiftindirect38,866$0.00—105,362Jul 6, 2026
Jul 1, 2026Hou Hong QPresident and CEO, Directoroption exercise6,484$0.00—70,099Jul 6, 2026
Jul 1, 2026Hou Hong QPresident and CEO, Directortax withholding3,300$161.85$534K66,799Jul 6, 2026
Jun 30, 2026Fischer Gregory MichaelDirectoropen-market sale10b5-11,500$156.24$234K5,678Jul 2, 2026
Jun 29, 2026Hou Hong QPresident and CEO, Directoropen-market sale7,319$152.43$1M65,901Jul 1, 2026
Jun 29, 2026Hou Hong QPresident and CEO, Directoropen-market sale2,286$152.99$350K63,615Jul 1, 2026
Jun 24, 2026Walsh Paul V JrDirectoropen-market sale10b5-1500$164.99$82K28,100Jun 26, 2026
Jun 22, 2026Wilson John MichaelChief Quality Officer and CTOopen-market sale5,500$170.00$935K80,876Jun 24, 2026
Jun 10, 2026Wilson John MichaelChief Quality Officer and CTOoption exercise1,400$0.00—87,089Jun 12, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Silberstein AsafEVP and COOSep 10, 2026option exercise2,439—$6M (14)13 of 14
Hou Hong QPresident and CEO, DirectorOct 2, 2026open-market sale65,976—$4M (10)7 of 10
Lin MarkEVP and CFOOct 1, 2026option exercise38,531—$3M (10)10 of 10
Green Jason ElliotEVP and CCOOct 7, 2026open-market sale7,367—$1M (4)3 of 4
Wilson John MichaelChief Quality Officer and CTOSep 10, 2026option exercise82,276—$1M (2)0 of 2
Li Ye JaneDirectorJun 3, 2026option exercise6,050—$882K (1)0 of 1
Cardenuto Rodolpho CDirectorSep 16, 2026open-market sale0—$878K (1)0 of 1
Walsh Paul V JrDirectorOct 21, 2026open-market sale26,100—$686K (12)12 of 12
Fischer Gregory MichaelDirectorJun 30, 2026open-market sale5,678—$477K (3)1 of 3
Gillai SaarDirectorJun 3, 2026option exercise14,844—$271K (1)0 of 1
Burvill MartinDirectorApr 9, 2026open-market sale4,409—$222K (1)0 of 1
Ruehl Julie GarciaDirectorSep 4, 2026open-market sale7,140—$218K (1)1 of 1
Rayabhari MadhusudhanSVP and GMJun 4, 2025tax withholding61,478———
Gray William RossSVP and GMJun 4, 2025option exercise20,074———
Sherazi ImranSVP and GMJun 4, 2025tax withholding8,818———
Russell Mark PSVPMar 5, 2025option exercise21,391———
LuPriore PaulaDirectorJun 4, 2025option exercise10,409———

Questions

Are Semtech Corp insiders buying or selling?

Over the twelve months to November 1, 2026, 12 insiders at Semtech Corp sold $19M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $19M. Only open-market purchases and sales are counted.

Who sold the most Semtech Corp stock in the last year?

Silberstein Asaf (EVP and COO) sold $6M in 14 open-market sales over the twelve months to November 1, 2026.

Do Semtech Corp executives sell under 10b5-1 plans?

47 of the 60 open-market sales in the last twelve months (78%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Semtech Corp

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.