Sign up
Quantellect · Congress · Issuer Profile
NASDAQ: LRCXLam Research Corp
TechnologyMkt Cap $392.91BCongress ownership rank #180

Lam Research Corp Congressional Trading

According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 142 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 64 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 July 2026, and David J. Taylor has filed the most LRCX transactions among those shown, with 11. Other recent filers include Rohit Khanna, Alan Armstrong, and Cleo Fields. One notable disclosed move was a purchase by Markwayne Mullin on December 29, 2025, up 79.1% 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. 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

Trades
23
Politicians
9
Filings
18
Disclosed Vol
$373.51K
Buys
9
39%
Sells
14
61%

Price & congressional trade timeline

Party breakdown

Lam Research congressional trading activity

PoliticianPublishedTradedFiled AfterTypeSizeReturnOwner
Jul 6, 2026Jun 30, 20266 daysBUY
$1,001 - $15,000
-27.39%Spouse
Jun 12, 2026Jun 5, 20267 daysSELL
$1,001 - $15,000
+3.75%Self
May 7, 2026Apr 27, 202610 daysSELL
$1,001 - $15,000
+21.27%Self
May 7, 2026Apr 27, 202610 daysSELL
$1,001 - $15,000
+21.27%Self
Apr 7, 2026Mar 30, 20268 daysBUY
$1,001 - $15,000
+57.39%Child
Jul 21, 2026Mar 27, 2026116 daysBUY
$1,001 - $15,000
+48.84%Self
Mar 20, 2026Mar 12, 20268 daysBUY
$1,001 - $15,000
+50.20%Self
Mar 6, 2026Feb 26, 20268 daysSELL
$1,001 - $15,000
+31.78%Self
Mar 6, 2026Feb 26, 20268 daysSELL
$1,001 - $15,000
+31.78%Self
Mar 9, 2026Feb 5, 202632 daysBUY
$15,001 - $50,000
+47.69%Spouse
Go to

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 142 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, Alan Armstrong. 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) trade was a purchase by Alan Armstrong, filed Jul 20, 2026.

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.