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Stock filings

LRCX insider trades & Congress trades

Lam Research Corp: public insider filings and Congress disclosures, in one place.

9insider buys + sells
1Congress trades
0 / 8insider buys / sells, 90 days
–latest buying cluster

Bourse has recorded 9 open-market insider transactions in Lam Research Corp (LRCX) (0 purchases with code P and 9 sales with code S), the most recent on November 2, 2026.

In the last 90 days: 0 purchases by 0 insiders ($0) and 8 sales by 4 ($38.8M).

Members of Congress have disclosed 1 trades in LRCX (0 purchases, 1 sales), the latest transaction dated August 13, 2026. Congress filings can arrive up to 45 days after the trade.

Insider transactions

SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.

DateInsiderRoleTypeSharesPriceValueAfter 1M
Nov 2, 2026Mayer Bethany–Sell719$242.59$174K–
Oct 23, 2026Archer TimothyPresident and CEOSell31,400$227.02$7.13M–
Sep 9, 2026Archer TimothyPresident and CEOSell30,000$319.26$9.58M+0.1%
Sep 9, 2026Mayer Bethany–Sell9,557$314.74$3.01M+0.1%
Sep 2, 2026Varadarajan SeshasayeeSenior Vice PresidentSell20,000$291.32$5.83M+0.2%
Sep 2, 2026Varadarajan SeshasayeeSenior Vice PresidentSell12,270$291.32$3.57M+0.2%
Sep 2, 2026Varadarajan SeshasayeeSenior Vice PresidentSell27,480$291.32$8.01M+0.2%
Aug 31, 2026Harter AvaChief Legal OfficerSell5,000$302.46$1.51M+0.2%
Aug 6, 2026Archer TimothyPresident and CEOSell30,000$300.00$9.00M+0.0%

Congress trades

Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.

TradedMemberPartyTypeAmountDisclosedFiling
Aug 13, 2026Sheldon WhitehousesenateSell$1,001 - $15,000Sep 2, 2026–

Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.

New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.

See these filings as they land

Bourse collects Congress trades, SEC Form 4 insider filings and 13F fund holdings in one live feed, and flags insider buying clusters automatically. Free to start.

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