Semtech Corp (SMTC): Congress and insider trades

Who in Congress and inside the company traded SMTC, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Semtech Corp (SMTC) is a listed stock on NASDAQ.
  • 1 member of Congress filed 2 buys and 3 sells of SMTC, the latest published 2026-09-07 (7 September 2026).
  • Insiders filed 0 open market buys worth $0 and 20 sells worth $5.7M, the latest filed 2026-09-25 (25 September 2026).
  • Across 2 scored buys, Congress averaged +39.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 2 1 members
Congress sells 3
Insider buys 0 $0
Insider sells 20 $5.7M
Congress buys vs S&P, 90d +39.0% 2 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in SMTC

as of 2026-09-07
  1. Gil Cisneros5 trades
Congress trades in SMTC, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
7 Sep 2026 Gil Cisneros (D-CA) sell 1K–15K 50 n/a
7 Sep 2026 Gil Cisneros (D-CA) sell 1K–15K 45 n/a
3 Jul 2026 Gil Cisneros (D-CA) sell 1K–15K 2 n/a
8 Apr 2026 Gil Cisneros (D-CA) buy 1K–15K 35 +35.4%
16 Feb 2026 Gil Cisneros (D-CA) buy 1K–15K 24 +42.6%

Insider trades in SMTC

as of 2026-09-25
Open market insider trades in SMTC, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
25 Sep 2026 Walsh Paul V Jr sell 500 $172.61 $86.3K n/a
14 Sep 2026 Lin Mark sell 683 $159.90 $109K n/a
9 Sep 2026 HOU HONG Q sell 2,000 $138.71 $277K n/a
9 Sep 2026 Ruehl Julie Garcia sell 1,500 $145.00 $218K n/a
24 Jul 2026 Walsh Paul V Jr sell 500 $133.07 $66.5K n/a
16 Jul 2026 Silberstein Asaf sell 3,000 $145.04 $435K n/a
14 Jul 2026 HOU HONG Q sell 2,000 $133.00 $266K n/a
10 Jul 2026 Silberstein Asaf sell 8,500 $127.80 $1.1M n/a
9 Jul 2026 Green Jason Elliot sell 2,264 $129.90 $294K n/a
6 Jul 2026 Lin Mark sell 970 $150.41 $146K n/a
26 Jun 2026 Walsh Paul V Jr sell 500 $164.99 $82.5K n/a
24 Jun 2026 WILSON JOHN MICHAEL sell 5,500 $170.00 $935K n/a
12 Jun 2026 Lin Mark sell 683 $155.16 $106K n/a
9 Jun 2026 HOU HONG Q sell 2,000 $162.10 $324K n/a
22 May 2026 Walsh Paul V Jr sell 500 $138.21 $69.1K n/a
24 Apr 2026 Walsh Paul V Jr sell 500 $105.93 $53.0K n/a
14 Apr 2026 HOU HONG Q sell 2,000 $90.11 $180K n/a
13 Apr 2026 Burvill Martin sell 2,500 $88.98 $222K n/a
25 Mar 2026 Lin Mark sell 9,186 $75.05 $689K n/a
20 Mar 2026 Walsh Paul V Jr sell 500 $80.87 $40.4K n/a

Frequently asked questions

Who has bought SMTC?

2 Congress buys by 1 member and 0 insider buys are on file. The tables on this page list every one.

Did buying SMTC after a disclosure beat the market?

Across 2 scored buys, Congress averaged +39.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.