Semtech Corporation (SMTC) Insider Trading
Over the last 3 months, SMTC insiders made 0 open-market buys and 22 sales, a net sale of -$6.7M (SEC Form 4). Over the last 6 months, 342 institutions increased and 315 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
22
Net (3m)
-$6.7M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price -11.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 21, 2026 | Walsh Paul V Jrdirector | Sell | 500 | $135.48 |
| Aug 19, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 5,000 | $150.00 |
| Aug 11, 2026 | HOU HONG Qdirector, officer: President and CEO | Sell | 2,000 | $140.00 |
| Jul 24, 2026 | Walsh Paul V Jrdirector | Sell | 500 | $133.07 |
| Jul 16, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 3,000 | $145.04 |
| Jul 14, 2026 | HOU HONG Qdirector, officer: President and CEO | Sell | 2,000 | $133.00 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 273 | $126.60 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 1,400 | $128.70 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 437 | $124.19 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 2,448 | $125.18 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 3,354 | $129.94 |
| Jul 10, 2026 | Silberstein Asafofficer: EVP and COO | Sell | 588 | $127.61 |
| Jul 9, 2026 | Green Jason Elliotofficer: EVP and CCO | Sell | 1,132 | $129.32 |
| Jul 6, 2026 | Lin Markofficer: EVP and CFO | Option | 3,164 | — |
| Jul 6, 2026 | Lin Markofficer: EVP and CFO | Sell | 970 | $150.41 |
| Jul 6, 2026 | Lin Markofficer: EVP and CFO | Tax | 1,561 | $161.85 |
| Jul 6, 2026 | HOU HONG Qdirector, officer: President and CEO | Option | 6,484 | — |
| Jul 6, 2026 | HOU HONG Qdirector, officer: President and CEO | Tax | 3,300 | $161.85 |
| Jul 2, 2026 | Fischer Gregory Michaeldirector | Sell | 1,500 | $156.24 |
| Jul 1, 2026 | HOU HONG Qdirector, officer: President and CEO | Sell | 7,319 | $152.43 |
| Jul 1, 2026 | HOU HONG Qdirector, officer: President and CEO | Sell | 2,286 | $152.99 |
| Jun 26, 2026 | Walsh Paul V Jrdirector | Sell | 500 | $164.99 |
| Jun 24, 2026 | WILSON JOHN MICHAELofficer: Chief Quality Officer and CTO | Sell | 5,500 | $170.00 |
| Jun 12, 2026 | Lin Markofficer: EVP and CFO | Option | 2,349 | — |
| Jun 12, 2026 | WILSON JOHN MICHAELofficer: Chief Quality Officer and CTO | Tax | 713 | $157.52 |
| Jun 12, 2026 | Silberstein Asafofficer: EVP and COO | Tax | 1,241 | $157.52 |
| Jun 12, 2026 | Lin Markofficer: EVP and CFO | Tax | 1,196 | $157.52 |
| Jun 12, 2026 | Green Jason Elliotofficer: EVP and CCO | Tax | 988 | $157.52 |
| Jun 12, 2026 | Silberstein Asafofficer: EVP and COO | Option | 2,438 | — |
| Jun 12, 2026 | HOU HONG Qdirector, officer: President and CEO | Option | 8,129 | — |
Source: SMTC SEC Form 4 filings, latest Aug 21, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SMTC positions over the last 6 months (SEC Form 13F).
Increased
342
New positions
284
Reduced
315
Sold out
49
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 14.2M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 9.7M | Aug 7, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 7.5M | Jul 17, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6.9M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 5.3M | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 5.2M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.2M | Aug 13, 2026 |
| CAPITAL RESEARCH GLOBAL INVESTORS | Reduced | 4.2M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.1M | May 15, 2026 |
| STATE STREET CORP | Increased | 4.1M | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 3.5M | Aug 14, 2026 |
| STATE STREET CORP | Reduced | 3.4M | Aug 7, 2026 |
| Capital Research Global Investors | Reduced | 3.0M | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.5M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 2.4M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.