LRCX
LAM RESEARCH CORP
NASDAQ · Technology · Semiconductors · US
$288.11
+6.98%0
Insider buys (3m)
7
Insider sells (3m)
-$48.9M
Net value (3m)
-30.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 10, 2026 | ARCHER TIMOTHY · officer: President and CEO | M-Exempt | 30,000 | $30 |
| Sep 10, 2026 | Mayer Bethany · director | Sale | 9,557 | $315 |
| Sep 10, 2026 | ARCHER TIMOTHY · officer: President and CEO | Sale | 30,000 | $319 |
| Sep 3, 2026 | Varadarajan Seshasayee · officer: Senior Vice President | M-Exempt | 12,270 | $60 |
| Sep 3, 2026 | Varadarajan Seshasayee · officer: Senior Vice President | M-Exempt | 27,480 | $30 |
| Sep 3, 2026 | Varadarajan Seshasayee · officer: Senior Vice President | Sale | 27,480 | $291 |
| Sep 1, 2026 | Harter Ava · officer: Chief Legal Officer | Sale | 5,000 | $302 |
| Aug 7, 2026 | ARCHER TIMOTHY · officer: President and CEO | M-Exempt | 30,000 | $30 |
| Aug 7, 2026 | ARCHER TIMOTHY · officer: President and CEO | Sale | 30,000 | $300 |
| Aug 6, 2026 | Harter Ava · officer: Chief Legal Officer | F-InKind | 5,790 | $307 |
| Jul 14, 2026 | TALWALKAR ABHIJIT Y · director | Sale | 18,282 | $335 |
| Jul 6, 2026 | ARCHER TIMOTHY · officer: President and CEO | M-Exempt | 30,000 | $30 |
| Jul 6, 2026 | ARCHER TIMOTHY · officer: President and CEO | Sale | 30,000 | $390 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 3,828 | $359 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 8,233 | $371 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 664 | $360 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 5,803 | $367 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 1,100 | $358 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 4,198 | $369 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 4,334 | $349 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 3,644 | $343 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 642 | $364 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 1,653 | $356 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 1,895 | $340 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 5,717 | $363 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 2,300 | $364 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 1,461 | $354 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 974 | $338 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 819 | $361 |
| Jun 15, 2026 | BRANDT ERIC · director | Sale | 1,393 | $357 |
Institutional positioning
13F filings over the trailing two quarters
New 1029Increased 1942Reduced 2242Sold out 103
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 132,905,820 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 132,830,776 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 81,683,639 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 81,155,744 | May 15, 2026 |
| STATE STREET CORP | Increased | 60,704,130 | Aug 7, 2026 |
| STATE STREET CORP | Reduced | 59,158,300 | May 15, 2026 |
| Invesco Ltd. | Increased | 52,319,973 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | Increased | 45,317,479 | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 37,060,963 | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 36,635,534 | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 35,175,926 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 34,506,240 | Aug 12, 2026 |
| FMR LLC | Increased | 33,677,858 | Aug 13, 2026 |
| FMR LLC | Increased | 33,574,842 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 32,712,933 | May 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 10, 2026