As of the latest Form 4 filed Jul 10, 2026.
What Semtech Corporation insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 62 most recent filings for SMTC.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-07-10 | 2026-07-08 | Silberstein Asaf EVP and COO | SSale | −3.35K | $129.94 | $436K | Yes (planned) | Form 4 ↗ |
| 2026-07-10 | 2026-07-08 | Silberstein Asaf, EVP and COO | SSale | −1.40K | $128.70 | $180K | Yes (planned) | Form 4 ↗ |
| 2026-07-10 | 2026-07-08 | Silberstein Asaf, EVP and COO | SSale | −588.00 | $127.61 | $75.0K | Yes (planned) | Form 4 ↗ |
| 2026-07-10 | 2026-07-08 | Silberstein Asaf, EVP and COO | SSale | −273.00 | $126.60 | $34.6K | Yes (planned) | Form 4 ↗ |
| 2026-07-10 | 2026-07-08 | Silberstein Asaf, EVP and COO | SSale | −2.45K | $125.18 | $306K | Yes (planned) | Form 4 ↗ |
| 2026-07-10 | 2026-07-08 | Silberstein Asaf, EVP and COO | SSale | −437.00 | $124.19 | $54.3K | Yes (planned) | Form 4 ↗ |
| 2026-07-09 | 2026-07-07 | Green Jason Elliot EVP and CCO | SSale | −1.13K | $130.48 | $148K | Yes (planned) | Form 4 ↗ |
| 2026-07-09 | 2026-07-07 | Green Jason Elliot, EVP and CCO | SSale | −1.13K | $129.32 | $146K | Yes (planned) | Form 4 ↗ |
| 2026-07-02 | 2026-06-30 | Fischer Gregory Michael Director | SSale | −1.50K | $156.24 | $234K | Yes (planned) | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | HOU HONG Q President and CEO | SSale | −2.29K | $152.99 | $350K | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | HOU HONG Q, President and CEO | SSale | −7.32K | $152.43 | $1.12M | No | Form 4 ↗ |
| 2026-06-26 | 2026-06-24 | Walsh Paul V Jr Director | SSale | −500.00 | $164.99 | $82.5K | Yes (planned) | Form 4 ↗ |
| 2026-06-24 | 2026-06-22 | WILSON JOHN MICHAEL Chief Quality Officer and CTO | SSale | −5.50K | $170.00 | $935K | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Lin Mark EVP and CFO | SSale | −683.00 | $155.16 | $106K | Yes (planned) | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Lin Mark, EVP and CFO | FTax | −1.20K | $157.52 | $188K | Yes (planned) | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Lin Mark, EVP and CFO | MExercise | +2.35K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Green Jason Elliot EVP and CCO | FTax | −988.00 | $157.52 | $156K | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Green Jason Elliot, EVP and CCO | MExercise | +2.51K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Silberstein Asaf EVP and COO | FTax | −1.24K | $157.52 | $195K | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | Silberstein Asaf, EVP and COO | MExercise | +2.44K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | WILSON JOHN MICHAEL Chief Quality Officer and CTO | FTax | −713.00 | $157.52 | $112K | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | WILSON JOHN MICHAEL, Chief Quality Officer and CTO | MExercise | +1.40K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | HOU HONG Q President and CEO | FTax | −4.14K | $157.52 | $652K | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-10 | HOU HONG Q, President and CEO | MExercise | +8.13K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-09 | 2026-06-05 | HOU HONG Q President and CEO | SSale | −2.00K | $162.10 | $324K | Yes (planned) | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Fischer Gregory Michael Director | MExercise | +5.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Cardenuto Rodolpho C Director | MExercise | +5.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Gillai Saar Director | MExercise | +5.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Ruehl Julie Garcia Director | MExercise | +2.66K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Li Ye Jane Director | MExercise | +5.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Walsh Paul V Jr Director | MExercise | +5.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-03 | Silberstein Asaf EVP and COO | SSale | −2.00K | $164.00 | $328K | No | Form 4 ↗ |
| 2026-04-24 | 2026-04-22 | Walsh Paul V Jr Director | SSale | −500.00 | $105.93 | $53.0K | Yes (planned) | Form 4 ↗ |
| 2026-04-14 | 2026-04-10 | HOU HONG Q President and CEO | SSale | −2.00K | $90.11 | $180K | Yes (planned) | Form 4 ↗ |
| 2026-04-13 | 2026-04-09 | Burvill Martin Director | SSale | −2.50K | $88.98 | $222K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Lin Mark EVP and CFO | AAward | +450.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Green Jason Elliot EVP and CCO | AAward | +542.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Silberstein Asaf EVP and COO | AAward | +488.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | WILSON JOHN MICHAEL Chief Quality Officer and CTO | AAward | +394.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | HOU HONG Q President and CEO | AAward | +1.07K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-24 | Lin Mark EVP and CFO | SSale | −9.19K | $75.05 | $689K | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | DDisposition | −3.85K | $76.52 | $294K | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | AAward | +7.74K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | FTax | −6.88K | $76.52 | $527K | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | AAward | +13.7K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | FTax | −4.78K | $76.52 | $366K | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Lin Mark, EVP and CFO | AAward | +9.39K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Green Jason Elliot EVP and CCO | FTax | −5.69K | $76.52 | $435K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Green Jason Elliot, EVP and CCO | AAward | +14.5K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Silberstein Asaf EVP and COO | FTax | −6.81K | $76.52 | $521K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Silberstein Asaf, EVP and COO | AAward | +13.4K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Silberstein Asaf, EVP and COO | FTax | −4.96K | $76.52 | $380K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | Silberstein Asaf, EVP and COO | AAward | +9.76K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | WILSON JOHN MICHAEL Chief Quality Officer and CTO | FTax | −4.75K | $76.52 | $363K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | WILSON JOHN MICHAEL, Chief Quality Officer and CTO | AAward | +9.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | WILSON JOHN MICHAEL, Chief Quality Officer and CTO | FTax | −2.85K | $76.52 | $218K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | WILSON JOHN MICHAEL, Chief Quality Officer and CTO | AAward | +5.60K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | HOU HONG Q President and CEO | FTax | −13.9K | $76.52 | $1.06M | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | HOU HONG Q, President and CEO | AAward | +27.3K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | HOU HONG Q, President and CEO | FTax | −16.5K | $76.52 | $1.27M | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | HOU HONG Q, President and CEO | AAward | +32.5K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-20 | 2026-03-18 | Walsh Paul V Jr Director | SSale | −500.00 | $80.87 | $40.4K | Yes (planned) | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also SMTC’s full analysis or the market-wide insider trading feed. The tabs above jump to SMTC’s other SEC data.
Source: SEC Form 4 filings for SMTC, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.