Company / CIK 0000707549
LAM RESEARCH CORP
- Ticker
- LRCX
- Size, estimated from filings
- Mega cap ($200B and up)
- Insiders on file
- 19
- Members of Congress who traded it
- 8
- Federal contracts on record
- none matched
- Lobbying filings on record
- 18
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 9, 2026
LAM RESEARCH CORP (LRCX) has 19 insiders on file who disclosed 173 transactions in the last 12 months (0 open-market buys, 101 sales, about $274.9M at reported prices), and 18 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 10 lobbying filings naming it as client report $450K in 2026.
LAM RESEARCH CORP in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in LAM RESEARCH CORP over the last 12 months; the most active is ARCHER TIMOTHY with $97M.
Lobbying spend by quarter
How much has LAM RESEARCH CORP reported spending on federal lobbying?
LAM RESEARCH CORP reported $810K in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| DEVGAN ANIRUDH | President and CEO | 1 | 0 | 0 | September 21, 2026 |
| Brennan Ita M | Director | 1 | 0 | 0 | September 14, 2026 |
| BRANDT ERIC | Director | 46 | 0 | 45 | September 11, 2026 |
| ARCHER TIMOTHY | President and CEO | 22 | 0 | 9 | September 10, 2026 |
| Mayer Bethany | Director | 6 | 0 | 3 | September 10, 2026 |
| Varadarajan Seshasayee | Senior Vice President | 15 | 0 | 7 | September 3, 2026 |
| Harter Ava | Chief Legal Officer | 15 | 0 | 9 | September 1, 2026 |
| Dineen John M. | Director | 1 | 0 | 0 | August 27, 2026 |
| TALWALKAR ABHIJIT Y | Director | 3 | 0 | 1 | July 14, 2026 |
| Fernandes Neil J | Senior Vice President | 10 | 0 | 6 | June 2, 2026 |
| FIELDS MARK | Director | 1 | 0 | 0 | March 18, 2026 |
| Bettinger Douglas R | Chief Financial Officer & EVP | 21 | 0 | 7 | March 5, 2026 |
| Vahedi Vahid | Senior Vice President | 9 | 0 | 5 | March 2, 2026 |
| LORD PATRICK J | Executive Vice President | 6 | 0 | 4 | March 2, 2026 |
| Correia Christina | CVP , Chief Accounting Officer | 10 | 0 | 5 | March 2, 2026 |
| Kang Ho Kyu | Director | 2 | 0 | 1 | November 10, 2025 |
| Ahmed Sohail U | Director | 3 | 0 | 0 | November 10, 2025 |
| CANNON MICHAEL R | Director | 1 | 0 | 0 | November 10, 2025 |
| Mehra Jyoti | Director | 1 | 0 | 0 | November 10, 2025 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded LRCX
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the LRCX page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| David J. Taylor | Representative (OH, District 2), Republican | 11 | 1 | 10 | $39K–$235K | June 5, 2026 |
| Sheldon Whitehouse | Senator (RI), Democrat | 1 | 0 | 1 | $1,001–$15K | August 13, 2026 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
| Cleo Fields | Representative (LA, District 6), Democrat | 1 | 1 | 0 | $15K–$50K | February 3, 2026 |
| John Boozman | Senator (AR), Republican | 1 | 0 | 1 | $1,001–$15K | January 8, 2026 |
| Markwayne Mullin | Senator (OK), Republican | 1 | 1 | 0 | $50K–$100K | December 29, 2025 |
| Val T. Hoyle | Representative (OR, District 4), Democrat | 1 | 0 | 1 | $1,001–$15K | September 23, 2025 |
| Jonathan L. Jackson | Representative (IL, District 1), Democrat | 1 | 0 | 1 | $1,001–$15K | September 3, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mayer Bethany | LRCX | Sell S | September 9, 2026 | September 10, 2026 | 1d | 9,557 | $315 | $3.0M | indirect | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | September 9, 2026 | September 10, 2026 | 1d | 30,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell S | September 9, 2026 | September 10, 2026 | 1d | 30,000 | $319 | $9.6M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | September 9, 2026 | September 10, 2026 | 1d | 30,000 | $30 | $901K | 10b5-1 plan | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 27,480 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 12,270 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Sell S | September 2, 2026 | September 3, 2026 | 1d | 27,480 | $291 | $8.0M | 10b5-1 plan | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 27,480 | $30 | $825K | 10b5-1 plan | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Sell S | September 2, 2026 | September 3, 2026 | 1d | 12,270 | $291 | $3.6M | 10b5-1 plan | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 12,270 | $60 | $735K | 10b5-1 plan | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Sell S | September 2, 2026 | September 3, 2026 | 1d | 20,000 | $291 | $5.8M | 10b5-1 plan | Form 4 ↗ | |
| Harter Ava | LRCX | Sell S | August 31, 2026 | September 1, 2026 | 1d | 5,000 | $302 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 30,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell S | August 6, 2026 | August 7, 2026 | 1d | 30,000 | $300 | $9.0M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 30,000 | $30 | $901K | 10b5-1 plan | Form 4 ↗ | |
| Harter Ava | LRCX | Sell F | August 5, 2026 | August 6, 2026 | 1d | 5,790 | $307 | $1.8M | Form 4 ↗ | ||
| TALWALKAR ABHIJIT Y | LRCX | Sell S | July 13, 2026 | July 14, 2026 | 1d | 18,282 | $335 | $6.1M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | July 2, 2026 | July 6, 2026 | 4d | 30,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell S | July 2, 2026 | July 6, 2026 | 4d | 30,000 | $390 | $11.7M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | July 2, 2026 | July 6, 2026 | 4d | 30,000 | $30 | $901K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 642 | $364 | $234K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 5,717 | $363 | $2.1M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 2,604 | $362 | $943K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,756 | $361 | $634K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 664 | $360 | $239K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 780 | $359 | $280K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,880 | $358 | $673K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,455 | $357 | $520K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,653 | $356 | $589K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,331 | $356 | $473K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,461 | $354 | $517K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,172 | $354 | $414K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 36 | $351 | $13K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,517 | $350 | $531K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 4,334 | $349 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 6,592 | $348 | $2.3M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 3,442 | $347 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 2,832 | $346 | $979K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 3,208 | $345 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,481 | $344 | $509K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 3,644 | $343 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,070 | $342 | $366K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,277 | $341 | $435K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,895 | $340 | $644K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 1,083 | $339 | $367K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 11, 2026 | June 15, 2026 | 4d | 974 | $338 | $329K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,600 | $373 | $597K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 7,700 | $372 | $2.9M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 8,233 | $371 | $3.1M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 5,037 | $370 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 4,198 | $369 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 4,030 | $368 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 5,803 | $367 | $2.1M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,200 | $365 | $438K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 2,300 | $364 | $838K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 2,345 | $363 | $852K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 2,708 | $362 | $981K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 819 | $361 | $296K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,906 | $360 | $686K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 3,828 | $359 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,100 | $358 | $394K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 1,393 | $357 | $498K | 10b5-1 plan | Form 4 ↗ | |
| BRANDT ERIC | LRCX | Sell S | June 12, 2026 | June 15, 2026 | 3d | 300 | $356 | $107K | 10b5-1 plan | Form 4 ↗ | |
| Fernandes Neil J | LRCX | Sell S | June 1, 2026 | June 2, 2026 | 1d | 7,659 | $310 | $2.4M | 10b5-1 plan | Form 4 ↗ | |
| Fernandes Neil J | LRCX | Sell S | May 1, 2026 | May 4, 2026 | 3d | 18,170 | $255 | $4.6M | 10b5-1 plan | Form 4 ↗ | |
| Harter Ava | LRCX | Option / conversion M | April 27, 2026 | April 28, 2026 | 1d | 6,010 | — | — | derivative | Form 4 ↗ | |
| Harter Ava | LRCX | Sell S | April 27, 2026 | April 28, 2026 | 1d | 6,010 | $259 | $1.6M | Form 4 ↗ | ||
| Harter Ava | LRCX | Option / conversion M | April 27, 2026 | April 28, 2026 | 1d | 6,010 | $77 | $463K | Form 4 ↗ | ||
| TALWALKAR ABHIJIT Y | LRCX | Other G | March 10, 2026 | March 11, 2026 | 1d | 4,571 | — | — | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 4, 2026 | March 5, 2026 | 1d | 26,480 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Option / conversion M | March 4, 2026 | March 5, 2026 | 1d | 51,270 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Sell S | March 4, 2026 | March 5, 2026 | 1d | 50,057 | $224 | $11.2M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 4, 2026 | March 5, 2026 | 1d | 26,480 | $98 | $2.6M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 4, 2026 | March 5, 2026 | 1d | 51,270 | $49 | $2.5M | Form 4 ↗ | ||
| Harter Ava | LRCX | Sell S | March 4, 2026 | March 5, 2026 | 1d | 1,500 | $223 | $334K | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 11,710 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 37,980 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 16,620 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Sell S | March 2, 2026 | March 3, 2026 | 1d | 40,329 | $230 | $9.3M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 11,710 | $30 | $352K | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 37,980 | $54 | $2.1M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | March 2, 2026 | March 3, 2026 | 1d | 16,620 | $60 | $995K | Form 4 ↗ | ||
| Harter Ava | LRCX | Sell S | March 2, 2026 | March 3, 2026 | 1d | 4,000 | $233 | $930K | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 18,820 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 5,525 | $234 | $1.3M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 2,186 | $234 | $511K | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 2,826 | $234 | $661K | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 38,136 | $234 | $8.9M | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 12,547 | — | — | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 18,820 | — | — | derivative | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 5,047 | $234 | $1.2M | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 2,572 | $234 | $602K | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 3,168 | $234 | $741K | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 26,126 | $234 | $6.1M | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 12,547 | — | — | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 11,065 | — | — | derivative | Form 4 ↗ | |
| Vahedi Vahid | LRCX | Sell F | — | March 2, 2026 | — | 3,382 | $234 | $791K | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,923 | $234 | $450K | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 2,994 | $234 | $700K | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 24,675 | $234 | $5.8M | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 9,053 | — | — | Form 4 ↗ | ||
| Harter Ava | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 8,685 | — | — | derivative | Form 4 ↗ | |
| Harter Ava | LRCX | Sell F | — | March 2, 2026 | — | 3,199 | $234 | $748K | Form 4 ↗ | ||
| Harter Ava | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,988 | $234 | $465K | Form 4 ↗ | ||
| Harter Ava | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 7,106 | — | — | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 10,113 | — | — | derivative | Form 4 ↗ | |
| Fernandes Neil J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 3,290 | $234 | $769K | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,809 | $234 | $423K | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,298 | $234 | $304K | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 10,694 | $234 | $2.5M | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 8,274 | — | — | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 76,580 | — | — | derivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 19,584 | $234 | $4.6M | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 8,111 | $234 | $1.9M | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 9,975 | $234 | $2.3M | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 134,624 | $234 | $31.5M | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 51,053 | — | — | Form 4 ↗ | ||
| LORD PATRICK J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 4,469 | $234 | $1.0M | Form 4 ↗ | ||
| LORD PATRICK J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,755 | $234 | $410K | Form 4 ↗ | ||
| LORD PATRICK J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 2,325 | $234 | $544K | Form 4 ↗ | ||
| LORD PATRICK J | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 31,406 | $234 | $7.3M | Form 4 ↗ | ||
| Correia Christina | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 1,362 | — | — | derivative | Form 4 ↗ | |
| Correia Christina | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,421 | $234 | $332K | Form 4 ↗ | ||
| Correia Christina | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 942 | $234 | $220K | Form 4 ↗ | ||
| Correia Christina | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 11,963 | $234 | $2.8M | Form 4 ↗ | ||
| Correia Christina | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 996 | $234 | $233K | Form 4 ↗ | ||
| Correia Christina | LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 4,306 | $234 | $1.0M | Form 4 ↗ | ||
| Correia Christina | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 12,979 | — | — | Form 4 ↗ | ||
| Correia Christina | LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 3,180 | — | — | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Other G | February 24, 2026 | February 25, 2026 | 1d | 7,080 | — | — | Form 4 ↗ | ||
| BRANDT ERIC | LRCX | Sell S | February 6, 2026 | February 9, 2026 | 3d | 18,000 | $230 | $4.1M | Form 4 ↗ | ||
| BRANDT ERIC | LRCX | Sell S | February 6, 2026 | February 9, 2026 | 3d | 17,000 | $221 | $3.8M | Form 4 ↗ | ||
| DEVGAN ANIRUDH | LRCX | Other A | February 6, 2026 | February 9, 2026 | 3d | 1,141 | — | — | Form 4 ↗ | ||
| Bettinger Douglas R | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 51,280 | — | — | derivative | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 76,920 | — | — | Form 4 ↗ | ||
| Correia Christina | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 6,030 | — | — | derivative | Form 4 ↗ | |
| Correia Christina | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 9,045 | — | — | Form 4 ↗ | ||
| Fernandes Neil J | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 14,380 | — | — | derivative | Form 4 ↗ | |
| Fernandes Neil J | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 21,570 | — | — | Form 4 ↗ | ||
| LORD PATRICK J | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 42,230 | — | — | derivative | Form 4 ↗ | |
| LORD PATRICK J | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 63,345 | — | — | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 33,180 | — | — | derivative | Form 4 ↗ | |
| Vahedi Vahid | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 49,770 | — | — | Form 4 ↗ | ||
| Varadarajan Seshasayee | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 35,950 | — | — | derivative | Form 4 ↗ | |
| Varadarajan Seshasayee | LRCX | Option / conversion M | February 3, 2026 | February 5, 2026 | 2d | 53,925 | — | — | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Option / conversion M | February 4, 2026 | February 5, 2026 | 1d | 181,020 | — | — | derivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | February 4, 2026 | February 5, 2026 | 1d | 271,530 | — | — | Form 4 ↗ | ||
| ARCHER TIMOTHY | LRCX | Option / conversion M | December 17, 2025 | December 18, 2025 | 1d | 113,300 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell S | December 17, 2025 | December 18, 2025 | 1d | 113,300 | $164 | $18.6M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Option / conversion M | December 17, 2025 | December 18, 2025 | 1d | 113,300 | $18 | $2.0M | 10b5-1 plan | Form 4 ↗ | |
| ARCHER TIMOTHY | LRCX | Sell S | December 17, 2025 | December 18, 2025 | 1d | 50,000 | $164 | $8.2M | 10b5-1 plan | Form 4 ↗ | |
| Bettinger Douglas R | LRCX | Sell S | November 14, 2025 | November 17, 2025 | 3d | 40,080 | $151 | $6.0M | Form 4 ↗ | ||
| Mayer Bethany | LRCX | Other G | November 10, 2025 | November 10, 2025 | 0d | 1,622 | — | — | 10b5-1 planindirect | Form 4 ↗ | |
| Mayer Bethany | LRCX | Other G | November 10, 2025 | November 10, 2025 | 0d | 1,622 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Mayer Bethany | LRCX | Sell S | November 7, 2025 | November 10, 2025 | 3d | 30 | $160 | $4,786 | 10b5-1 plan | Form 4 ↗ | |
| Mayer Bethany | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Mehra Jyoti | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| Kang Ho Kyu | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| FIELDS MARK | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| Dineen John M. | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| CANNON MICHAEL R | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| Brennan Ita M | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| BRANDT ERIC | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| TALWALKAR ABHIJIT Y | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| Ahmed Sohail U | LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | Form 4 ↗ | ||
| Ahmed Sohail U | LRCX | Other G | November 6, 2025 | November 10, 2025 | 4d | 2,950 | — | — | indirect | Form 4 ↗ | |
| Ahmed Sohail U | LRCX | Other G | November 6, 2025 | November 10, 2025 | 4d | 2,950 | — | — | Form 4 ↗ | ||
| Mayer Bethany | LRCX | Sell S | November 3, 2025 | November 4, 2025 | 1d | 1,298 | $160 | $208K | 10b5-1 plan | Form 4 ↗ | |
| Kang Ho Kyu | LRCX | Sell F | October 31, 2025 | November 3, 2025 | 3d | 664 | $157 | $105K | Form 4 ↗ | ||
| Harter Ava | LRCX | Option / conversion M | October 27, 2025 | October 28, 2025 | 1d | 6,010 | — | — | derivative | Form 4 ↗ | |
| Harter Ava | LRCX | Sell S | October 27, 2025 | October 28, 2025 | 1d | 6,010 | $157 | $946K | Form 4 ↗ | ||
| Harter Ava | LRCX | Option / conversion M | October 27, 2025 | October 28, 2025 | 1d | 6,010 | $77 | $463K | Form 4 ↗ | ||
| Harter Ava | LRCX | Sell S | October 27, 2025 | October 28, 2025 | 1d | 3,000 | $157 | $472K | Form 4 ↗ | ||
| Vahedi Vahid | LRCX | Sell S | October 13, 2025 | October 14, 2025 | 1d | 52,190 | $139 | $7.2M | 10b5-1 plan | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "LAM RESEARCH CORP". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q3 | MERCURY PUBLIC AFFAIRS, LLC | Science/Technology | $80,000 | LDA ↗ |
| 2026 Q3 | AKIN GUMP STRAUSS HAUER & FELD | — | — | LDA ↗ |
| 2026 Q2 | LAM RESEARCH CORPORATION | Budget/Appropriations | $80,000 | LDA ↗ |
| 2026 Q2 | MERCURY PUBLIC AFFAIRS, LLC | Science/Technology | $80,000 | LDA ↗ |
| 2026 Q2 | THE GALLAGHER GROUP, LLC | Defense | $40,000 | LDA ↗ |
| 2026 Q2 | AKIN GUMP STRAUSS HAUER & FELD | — | — | LDA ↗ |
| 2026 Q1 | LAM RESEARCH CORPORATION | Budget/Appropriations | $80,000 | LDA ↗ |
| 2026 Q1 | MERCURY PUBLIC AFFAIRS, LLC | Science/Technology | $60,000 | LDA ↗ |
| 2026 Q1 | THE GALLAGHER GROUP, LLC | Defense | $30,000 | LDA ↗ |
| 2026 Q1 | AKIN GUMP STRAUSS HAUER & FELD | — | — | LDA ↗ |
| 2025 Q4 | LAM RESEARCH CORPORATION | Budget/Appropriations | $80,000 | LDA ↗ |
| 2025 Q4 | MERCURY PUBLIC AFFAIRS, LLC | Science/Technology | $60,000 | LDA ↗ |
| 2025 Q4 | THE GALLAGHER GROUP, LLC | Defense | $30,000 | LDA ↗ |
| 2025 Q4 | AKIN GUMP STRAUSS HAUER & FELD | — | — | LDA ↗ |
| 2025 Q3 | LAM RESEARCH CORPORATION | Budget/Appropriations | $80,000 | LDA ↗ |
| 2025 Q3 | MERCURY PUBLIC AFFAIRS, LLC | Science/Technology | $80,000 | LDA ↗ |
| 2025 Q3 | THE GALLAGHER GROUP, LLC | Defense | $30,000 | LDA ↗ |
| 2025 Q3 | AKIN GUMP STRAUSS HAUER & FELD | — | — | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded LRCX, by number of filers in common. It shows overlap in public filings and nothing else.
- MICROSOFT CORP MSFT 8 filers in common
- AMAZON COM INC AMZN 7 filers in common
- Apple Inc. AAPL 7 filers in common
- JPMORGAN CHASE & CO JPM 7 filers in common
- Meta Platforms, Inc. META 6 filers in common
- NVIDIA CORP NVDA 6 filers in common
- VISA INC. V 6 filers in common
- MICRON TECHNOLOGY INC MU 5 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 10 | 14 | October 7, 2025 | June 12, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 4 | 4 | January 16, 2026 | September 2, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 52 | 174 | October 14, 2025 | September 10, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 18 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.