Lam Research Corp Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 144 trades in Lam Research Corp (NASDAQ: LRCX) since 2012, across 27 members, worth an estimated $1.9M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 78 buys against 66 sells, a modestly buy-led skew, with Democratic members responsible for 60% of the trades and Republican members 40%. The most recent disclosure shown was filed September 2026, and David J. Taylor has filed the most LRCX transactions among those shown, with 11. Other recent filers include Sheldon Whitehouse, Rohit Khanna, and Alan Armstrong. One notable disclosed move was a purchase by Markwayne Mullin on December 29, 2025, up 75.1% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. Lam Research Corp's current Quantellect Tide Score is 67 out of 100 (High Tide), Top 13% of universe (3990); the Tide Score is generated algorithmically from public filings and market data and is not investment advice. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Lam Research Corp (LRCX) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Lam Research congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | Owner | |
|---|---|---|---|---|---|---|---|---|
 Sheldon Whitehouse Senate | Sep 2, 2026 | Aug 13, 2026 | 20 days | Sell |  $1,001 - $15,000 | -8.71% | Spouse | |
 Rohit Khanna House | Sep 4, 2026 | Aug 3, 2026 | 32 days | Sell | $1,001 - $15,000 | +4.43% | Spouse | |
Rohit Khanna House | Jul 6, 2026 | Jun 30, 2026 | 6 days | Buy | $1,001 - $15,000 | -29.00% | Spouse | |
 David J. Taylor House | Jun 12, 2026 | Jun 5, 2026 | 7 days | Sell | $1,001 - $15,000 | +1.44% | Self | |
David J. Taylor House | May 7, 2026 | Apr 27, 2026 | 10 days | Sell | $1,001 - $15,000 | +18.57% | Self | |
David J. Taylor House | May 7, 2026 | Apr 27, 2026 | 10 days | Sell | $1,001 - $15,000 | +18.57% | Self | |
Rohit Khanna House | Apr 7, 2026 | Mar 30, 2026 | 8 days | Buy | $1,001 - $15,000 | +53.88% | Child | |
 Alan Armstrong Senate | Jul 21, 2026 | Mar 27, 2026 | 116 days | Buy | $1,001 - $15,000 | +45.52% | Self | |
David J. Taylor House | Mar 20, 2026 | Mar 12, 2026 | 8 days | Buy | $1,001 - $15,000 | +46.86% | Self | |
David J. Taylor House | Mar 6, 2026 | Feb 26, 2026 | 8 days | Sell | $1,001 - $15,000 | +28.84% | Self |
Lam Research (LRCX) congressional trading FAQ
Can members of Congress legally trade Lam Research (LRCX) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Lam Research (LRCX), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; it does not imply any trade was improper.
Are congressional Lam Research (LRCX) trades public?
Yes. Every congressional trade in Lam Research (LRCX) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Lam Research (LRCX)?
Members of Congress have disclosed 144 trades in Lam Research (LRCX) worth $1.9M across 27 members, according to public STOCK Act filings.
Which members of Congress have traded Lam Research (LRCX)?
Recent and active filers of Lam Research (LRCX) disclosures include David J. Taylor, Rohit Khanna, Sheldon Whitehouse. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Lam Research (LRCX) more?
Across disclosed Lam Research (LRCX) trades, 60% were by Democrats and 40% by Republicans, led by Democrats (60%).
What is the most recent congressional Lam Research (LRCX) trade?
The most recent disclosed Lam Research (LRCX) filing reported a sell by Rohit Khanna, filed Sep 3, 2026.
What is Lam Research (LRCX)'s Tide Score?
Lam Research (LRCX) has a Quantellect Tide Score of 67 (High Tide). The Tide Score is a 0-100 read blending price forecast, smart-money flow, technicals, and social sentiment; higher is more bullish.
Browse all stocks Congress tradesCongressional trading overviewLam Research (LRCX) stock overview
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.