SEMTECH CORP Insider Trading Activity
Every SEC Form 4 insider transaction reported for SEMTECH CORP (SMTC), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are SMTC insiders buying or selling?
In the last 12 months, SEMTECH CORP insiders reported 0 open-market purchases ($0) and 51 sales ($18.6M) — net selling of $18.6M. Since January 2018, Trabud has recorded 299 Form 4 filings for SMTC: 4 buys ($835.1K) and 295 sells ($126.5M).
Source: SEC EDGAR Form 4
What stands out
- No SEMTECH CORP insider made an open-market purchase in the last 12 months; the 51 reported open-market sales totaled $18.6M.
Key Statistics (January 2018 – Oct 9, 2026)
Total Form 4 filings
299
SEC EDGAR
Insider filers
33
Insider buys (4)
$835.1K
Insider sells (295)
$126.5M
Insider sentiment
Net sellingNet insider flow of $125.6M in net selling since January 2018, and $18.6M in net selling over the last 12 months.
Recent SMTC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | Jason Elliot Green | EVP and CCO | Sale | 2.8K | $190.35 | $526.5K | SEC ↗ |
| Oct 5, 2026 | Mark Lin | EVP and CFO | Sale | 967 | $178.87 | $173.0K | SEC ↗ |
| Oct 5, 2026 | Hong Q Hou | President and CEO | Sale | 2.0K | $191.21 | $382.4K | SEC ↗ |
| Sep 25, 2026 | Paul V Walsh Jr | Director | Sale | 500 | $172.61 | $86.3K | SEC ↗ |
| Sep 18, 2026 | Rodolpho C Cardenuto | Director | Sale | 5.3K | $165.00 | $878.0K | SEC ↗ |
| Sep 14, 2026 | Mark Lin | EVP and CFO | Sale | 683 | $159.90 | $109.2K | SEC ↗ |
| Sep 9, 2026 | Julie Garcia Ruehl | Director | Sale | 1.5K | $145.00 | $217.5K | SEC ↗ |
| Sep 9, 2026 | Hong Q Hou | President and CEO | Sale | 2.0K | $138.71 | $277.4K | SEC ↗ |
| Aug 21, 2026 | Paul V Walsh Jr | Director | Sale | 500 | $135.48 | $67.7K | SEC ↗ |
| Aug 19, 2026 | Asaf Silberstein | EVP and COO | Sale | 5.0K | $150.00 | $750.0K | SEC ↗ |
| Aug 11, 2026 | Hong Q Hou | President and CEO | Sale | 2.0K | $140.00 | $280.0K | SEC ↗ |
| Jul 24, 2026 | Paul V Walsh Jr | Director | Sale | 500 | $133.07 | $66.5K | SEC ↗ |
| Jul 16, 2026 | Asaf Silberstein | EVP and COO | Sale | 3.0K | $145.04 | $435.1K | SEC ↗ |
| Jul 14, 2026 | Hong Q Hou | President and CEO | Sale | 2.0K | $133.00 | $266.0K | SEC ↗ |
| Jul 10, 2026 | Asaf Silberstein | EVP and COO | Sale | 8.5K | $127.80 | $1.1M | SEC ↗ |
| Jul 9, 2026 | Jason Elliot Green | EVP and CCO | Sale | 2.3K | $129.90 | $294.1K | SEC ↗ |
| Jul 6, 2026 | Mark Lin | EVP and CFO | Sale | 970 | $150.41 | $145.9K | SEC ↗ |
| Jul 2, 2026 | Gregory Michael Fischer | Director | Sale | 1.5K | $156.24 | $234.4K | SEC ↗ |
| Jul 1, 2026 | Hong Q Hou | President and CEO | Sale | 9.6K | $152.57 | $1.5M | SEC ↗ |
| Jun 26, 2026 | Paul V Walsh Jr | Director | Sale | 500 | $164.99 | $82.5K | SEC ↗ |
| Jun 24, 2026 | John Michael Wilson | Chief Quality Officer and CTO | Sale | 5.5K | $170.00 | $935.0K | SEC ↗ |
| Jun 12, 2026 | Mark Lin | EVP and CFO | Sale | 683 | $155.16 | $106.0K | SEC ↗ |
| Jun 9, 2026 | Hong Q Hou | President and CEO | Sale | 2.0K | $162.10 | $324.2K | SEC ↗ |
| Jun 5, 2026 | Asaf Silberstein | EVP and COO | Sale | 2.0K | $164.00 | $328.0K | SEC ↗ |
| Jun 1, 2026 | Ye Jane Li | Director | Sale | 5.3K | $166.84 | $881.8K | SEC ↗ |
Showing the 25 most recent of 299 Form 4 filings for SEMTECH CORP.
Most active SMTC insiders
- Emeka Chukwu42 filings
- Mohan Maheswaran36 filings
- Asaf Silberstein32 filings
- Mark Lin19 filings
- James Jungsup Kim18 filings
Ask anything about SMTC insider activity
Use Trabud's AI agent to query SEMTECH CORP's Form 4 history in plain English — "Show me SMTC CEO purchases this year" or compare it against any other ticker.
Open the AI agentSMTC insider trading FAQ
Are SEMTECH CORP insiders buying or selling?
In the last 12 months, SEMTECH CORP insiders reported 0 open-market purchases ($0) and 51 sales ($18.6M) — net selling of $18.6M. Since January 2018, Trabud has recorded 299 Form 4 filings for SMTC: 4 buys ($835.1K) and 295 sells ($126.5M). Over the full record that is net selling of $125.6M.
How many insiders trade SMTC stock?
33 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SEMTECH CORP. The most recent filing was accepted on Oct 9, 2026.
Where does Trabud get SMTC insider trading data?
All SMTC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.