investing-statsSEC Form 4 insider transactions

SMTC · SEMTECH CORP

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Semiconductors & Related Devices · Listed on Nasdaq

Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON

Open-market trades20
Distinct insiders7
Bought$0
Sold$6.11M
Net flow$-6.11M

Recent filings

How to read this

Filed
Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
Ticker
The issuer's stock symbol. Select it to open that company's insider-activity page.
Issuer
The company whose shares were traded.
Sector
The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
Insider
The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
Role
The insider's relationship to the company: director, officer, or 10% owner.
Code
SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
Side
Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
10b5-1
Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
Shares
Number of shares in this transaction.
Price
Reported price per share. Blank for grants, gifts, and other trades with no stated price.
Value
Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
Owned after
Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
Own Δ
How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
Co. Δ
Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
D/I
Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
Lag
Days from the trade date to the filing date (Form 4 is due within 2 business days).

Transaction codes

Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.

P
Open market or private purchase of non-derivative or derivative security
S
Open market or private sale of non-derivative or derivative security
A
Grant, award or other acquisition pursuant to Rule 16b-3(d)
D
Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
F
Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
M
Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
G
Bona fide gift
C
Conversion of derivative security
X
Exercise of in-the-money or at-the-money derivative security
J
Other acquisition or disposition (describe transaction)
Recent Form 4 filings for SMTC
FiledDate the Form 4 was filed with the SEC (due within 2 business days of the trade).InsiderRoleCodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S).SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼).SharesNumber of shares in this transaction.PriceReported price per share. Blank for trades with no stated price.ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ).Owned afterShares the insider held (directly or indirectly) immediately after this trade.Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable.Link to SEC filing
2026-08-21Walsh Paul V JrDirectorS sell10b5-15000$135.48$67.7K27,100−2%−<0.01% (now 0.03%)filing
2026-08-19Silberstein AsafOfficer (EVP and COO)S sell10b5-15,0000$150.00$750.0K88,862−5%−<0.01% (now 0.10%)filing
2026-08-11HOU HONG QDirector, Officer (President and CEO)S sell10b5-12,0000$140.00$280.0K62,799−3%−<0.01% (now 0.07%)filing
2026-07-24Walsh Paul V JrDirectorS sell10b5-15000$133.07$66.5K27,600−2%−<0.01% (now 0.03%)filing
2026-07-16Silberstein AsafOfficer (EVP and COO)S sell10b5-13,0000$145.04$435.1K93,862−3%−<0.01% (now 0.10%)filing
2026-07-14HOU HONG QDirector, Officer (President and CEO)S sell10b5-12,0000$133.00$266.0K64,799−3%−<0.01% (now 0.07%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-13,3540$129.94$435.8K96,862−3%−<0.01% (now 0.10%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-11,4000$128.70$180.2K100,216−1%−<0.01% (now 0.11%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-15880$127.61$75.0K101,616−0.6%−<0.01% (now 0.11%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-12730$126.60$34.6K102,204−0.3%−<0.01% (now 0.11%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-12,4480$125.18$306.4K102,477−2%−<0.01% (now 0.11%)filing
2026-07-10Silberstein AsafOfficer (EVP and COO)S sell10b5-14370$124.19$54.3K104,925−0.4%−<0.01% (now 0.11%)filing
2026-07-09Green Jason ElliotOfficer (EVP and CCO)S sell10b5-11,1320$130.48$147.7K8,611−12%−<0.01% (now <0.01%)filing
2026-07-09Green Jason ElliotOfficer (EVP and CCO)S sell10b5-11,1320$129.32$146.4K9,743−10%−<0.01% (now 0.01%)filing
2026-07-06Silberstein AsafOfficer (EVP and COO)G buy38,8660105,362+58%+0.04% (now 0.11%)filing
2026-07-06Silberstein AsafOfficer (EVP and COO)G sell38,86600−100%−0.04% (now 0%)filing
2026-07-06Lin MarkOfficer (EVP and CFO)M sell10b5-13,164 3,164 Common Stock3,165filing
2026-07-06Lin MarkOfficer (EVP and CFO)S sell10b5-19700$150.41$145.9K34,896−3%−<0.01% (now 0.04%)filing
2026-07-06Lin MarkOfficer (EVP and CFO)F sell10b5-11,5610$161.85$252.6K35,866−4%−<0.01% (now 0.04%)filing
2026-07-06Lin MarkOfficer (EVP and CFO)M buy10b5-13,164037,427+9%+<0.01% (now 0.04%)filing
2026-07-06HOU HONG QDirector, Officer (President and CEO)M sell6,484 6,484 Common Stock25,933filing
2026-07-06HOU HONG QDirector, Officer (President and CEO)F sell3,3000$161.85$534.1K66,799−5%−<0.01% (now 0.07%)filing
2026-07-06HOU HONG QDirector, Officer (President and CEO)M buy6,484070,099+10%+<0.01% (now 0.08%)filing
2026-07-02Fischer Gregory MichaelDirectorS sell10b5-11,5000$156.24$234.4K5,678−21%−<0.01% (now <0.01%)filing
2026-07-01HOU HONG QDirector, Officer (President and CEO)S sell2,2860$152.99$349.7K63,615−3%−<0.01% (now 0.07%)filing
2026-07-01HOU HONG QDirector, Officer (President and CEO)S sell7,3190$152.43$1.12M65,901−10%−<0.01% (now 0.07%)filing
2026-06-26Walsh Paul V JrDirectorS sell10b5-15000$164.99$82.5K28,100−2%−<0.01% (now 0.03%)filing
2026-06-24WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)S sell5,5000$170.00$935.0K80,876−6%−<0.01% (now 0.09%)filing
2026-06-12Silberstein AsafOfficer (EVP and COO)M sell2,438 2,438 Common Stock17,072filing
2026-06-12Silberstein AsafOfficer (EVP and COO)F sell1,2410$157.52$195.5K105,362−1%−<0.01% (now 0.11%)filing
2026-06-12Silberstein AsafOfficer (EVP and COO)M buy2,4380106,603+2%+<0.01% (now 0.11%)filing
2026-06-12WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)M sell1,400 1,400 Common Stock9,800filing
2026-06-12WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)F sell7130$157.52$112.3K86,376−0.8%−<0.01% (now 0.09%)filing
2026-06-12WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)M buy1,400087,089+2%+<0.01% (now 0.09%)filing
2026-06-12Lin MarkOfficer (EVP and CFO)M sell10b5-12,349 2,349 Common Stock16,439filing
2026-06-12Lin MarkOfficer (EVP and CFO)S sell10b5-16830$155.16$106.0K34,263−2%−<0.01% (now 0.04%)filing
2026-06-12Lin MarkOfficer (EVP and CFO)F sell10b5-11,1960$157.52$188.4K34,946−3%−<0.01% (now 0.04%)filing
2026-06-12Lin MarkOfficer (EVP and CFO)M buy10b5-12,349036,142+7%+<0.01% (now 0.04%)filing
2026-06-12HOU HONG QDirector, Officer (President and CEO)M sell8,129 8,129 Common Stock56,905filing
2026-06-12HOU HONG QDirector, Officer (President and CEO)F sell4,1370$157.52$651.7K73,220−5%−<0.01% (now 0.08%)filing
2026-06-12HOU HONG QDirector, Officer (President and CEO)M buy8,129077,357+12%+<0.01% (now 0.08%)filing
2026-06-12Green Jason ElliotOfficer (EVP and CCO)M sell2,510 2,510 Common Stock17,576filing
2026-06-12Green Jason ElliotOfficer (EVP and CCO)F sell9880$157.52$155.6K10,875−8%−<0.01% (now 0.01%)filing
2026-06-12Green Jason ElliotOfficer (EVP and CCO)M buy2,510011,863+27%+<0.01% (now 0.01%)filing
2026-06-09HOU HONG QDirector, Officer (President and CEO)S sell10b5-12,0000$162.10$324.2K69,228−3%−<0.01% (now 0.07%)filing
2026-06-05Walsh Paul V JrDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Walsh Paul V JrDirectorM sell5,321 5,321 Common Stock0filing
2026-06-05Walsh Paul V JrDirectorM buy5,321028,600+23%+<0.01% (now 0.03%)filing
2026-06-05Silberstein AsafOfficer (EVP and COO)S sell2,0000$164.00$328.0K104,165−2%−<0.01% (now 0.11%)filing
2026-06-05Ruehl Julie GarciaDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Ruehl Julie GarciaDirectorM sell2,661 2,661 Common Stock2,660filing
2026-06-05Ruehl Julie GarciaDirectorM buy2,66108,640+45%+<0.01% (now <0.01%)filing
2026-06-05LuPriore PaulaDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Li Ye JaneDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Li Ye JaneDirectorM sell5,321 5,321 Common Stock0filing
2026-06-05Li Ye JaneDirectorM buy5,32106,0508.3×+<0.01% (now <0.01%)filing
2026-06-05Gillai SaarDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Gillai SaarDirectorM sell5,321 5,321 Common Stock0filing
2026-06-05Gillai SaarDirectorM buy5,321014,844+56%+<0.01% (now 0.02%)filing
2026-06-05Fischer Gregory MichaelDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Fischer Gregory MichaelDirectorM sell5,321 5,321 Common Stock0filing
2026-06-05Fischer Gregory MichaelDirectorM buy5,32107,1783.9×+<0.01% (now <0.01%)filing
2026-06-05Cardenuto Rodolpho CDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-05Cardenuto Rodolpho CDirectorM sell5,321 5,321 Common Stock0filing
2026-06-05Cardenuto Rodolpho CDirectorM buy5,32105,321new+<0.01% (now <0.01%)filing
2026-06-05Burvill MartinDirectorA buy1,180 1,180 Common Stock1,180filing
2026-06-01Li Ye JaneDirectorS sell5,2850$166.84$881.8K729−88%−<0.01% (now <0.01%)filing
2026-06-01Fischer Gregory MichaelDirectorS sell1,0000$164.69$164.7K1,857−35%−<0.01% (now <0.01%)filing
2026-05-22Walsh Paul V JrDirectorS sell10b5-15000$138.21$69.1K23,279−2%−<0.01% (now 0.02%)filing
2026-05-05HOU HONG QDirector, Officer (President and CEO)S sell10b5-12,0000$103.01$206.0K71,228−3%−<0.01% (now 0.08%)filing
2026-04-24Walsh Paul V JrDirectorS sell10b5-15000$105.93$53.0K23,779−2%−<0.01% (now 0.03%)filing
2026-04-14HOU HONG QDirector, Officer (President and CEO)S sell10b5-12,0000$90.11$180.2K73,228−3%−<0.01% (now 0.08%)filing
2026-04-13Burvill MartinDirectorS sell2,5000$88.98$222.4K4,409−36%−<0.01% (now <0.01%)filing
2026-04-08Silberstein AsafOfficer (EVP and COO)A buy4880106,165+0.5%+<0.01% (now 0.11%)filing
2026-04-08WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)A buy394085,689+0.5%+<0.01% (now 0.09%)filing
2026-04-08Lin MarkOfficer (EVP and CFO)A buy450033,793+1%+<0.01% (now 0.04%)filing
2026-04-08HOU HONG QDirector, Officer (President and CEO)A buy1,067075,228+1%+<0.01% (now 0.08%)filing
2026-04-08Green Jason ElliotOfficer (EVP and CCO)A buy54209,353+6%+<0.01% (now 0.01%)filing
2026-04-02Lin MarkOfficer (EVP and CFO)M sell10b5-13,164 3,164 Common Stock6,329filing
2026-04-02Lin MarkOfficer (EVP and CFO)S sell10b5-19740$78.42$76.4K33,343−3%−<0.01% (now 0.04%)filing
2026-04-02Lin MarkOfficer (EVP and CFO)F sell10b5-11,5570$76.89$119.7K34,317−4%−<0.01% (now 0.04%)filing
2026-04-02Lin MarkOfficer (EVP and CFO)M buy10b5-13,164035,874+10%+<0.01% (now 0.04%)filing
2026-04-02HOU HONG QDirector, Officer (President and CEO)M sell6,483 6,483 Common Stock32,417filing
2026-04-02HOU HONG QDirector, Officer (President and CEO)F sell3,2990$76.89$253.7K74,161−4%−<0.01% (now 0.08%)filing
2026-04-02HOU HONG QDirector, Officer (President and CEO)M buy6,483077,460+9%+<0.01% (now 0.08%)filing
2026-04-02Green Jason ElliotOfficer (EVP and CCO)S sell7,5000$81.73$613.0K8,811−46%−<0.01% (now <0.01%)filing
2026-03-25Silberstein AsafOfficer (EVP and COO)F sell6,8100$76.52$521.1K105,677−6%−<0.01% (now 0.11%)filing
2026-03-25Silberstein AsafOfficer (EVP and COO)A buy13,3830112,487+14%+0.01% (now 0.12%)filing
2026-03-25Silberstein AsafOfficer (EVP and COO)F sell4,9640$76.52$379.8K99,104−5%−<0.01% (now 0.11%)filing
2026-03-25Silberstein AsafOfficer (EVP and COO)A buy9,7550104,068+10%+0.01% (now 0.11%)filing
2026-03-25WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)F sell4,7450$76.52$363.1K85,295−5%−<0.01% (now 0.09%)filing
2026-03-25WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)A buy9,325090,040+12%+0.01% (now 0.10%)filing
2026-03-25WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)F sell2,8500$76.52$218.1K80,715−3%−<0.01% (now 0.09%)filing
2026-03-25WILSON JOHN MICHAELOfficer (Chief Quality Officer and CTO)A buy5,600083,565+7%+<0.01% (now 0.09%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)S sell10b5-19,1860$75.05$689.4K32,710−22%−<0.01% (now 0.04%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)D sell10b5-13,8480$76.52$294.4K41,896−8%−<0.01% (now 0.04%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)A buy10b5-17,740045,744+20%+<0.01% (now 0.05%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)F sell10b5-16,8820$76.52$526.6K38,004−15%−<0.01% (now 0.04%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)A buy10b5-113,736044,886+44%+0.01% (now 0.05%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)F sell10b5-14,7800$76.52$365.8K31,150−13%−<0.01% (now 0.03%)filing
2026-03-25Lin MarkOfficer (EVP and CFO)A buy10b5-19,394035,930+35%+0.01% (now 0.04%)filing
2026-03-25HOU HONG QDirector, Officer (President and CEO)F sell13,9120$76.52$1.06M70,977−16%−0.01% (now 0.08%)filing
2026-03-25HOU HONG QDirector, Officer (President and CEO)A buy27,342084,889+48%+0.03% (now 0.09%)filing
2026-03-25HOU HONG QDirector, Officer (President and CEO)F sell16,5450$76.52$1.27M57,547−22%−0.02% (now 0.06%)filing
2026-03-25HOU HONG QDirector, Officer (President and CEO)A buy32,517074,092+78%+0.03% (now 0.08%)filing
2026-03-25Green Jason ElliotOfficer (EVP and CCO)F sell5,6870$76.52$435.2K16,311−26%−<0.01% (now 0.02%)filing
2026-03-25Green Jason ElliotOfficer (EVP and CCO)A buy14,452021,9982.9×+0.02% (now 0.02%)filing

Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.