LRCX
Lam Research insider trading
Information Technology · Heavy selling
Close · Oct 5, 2026
$345.80
+132.9% over 12 months
Share price and insider trades
LRCX closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$177M
Insiders buying0
Insiders selling9
Valuation, profit and volume
P/E (trailing)60.0Sector median 32.1
Market value$432.74BSemiconductor Equipment & Materials
Profit margin31.3%Revenue growth +30.0%
Volume vs. 50-day0.8×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 Lam Research insiders reported open-market purchases totaling $0, while 9 insiders reported sales totaling $177M. 58 of 69 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales. 78 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 10SEC | Timothy ArcherCEO, President | Sell Plan | 30,000 | $319.26 | $9.6M | +8.3% | — |
| Sep 10SEC | Bethany MayerDirector | Sell | 9,557 | $314.74 | $3.0M | +9.9% | — |
| Sep 3SEC | Seshasayee VaradarajanPresident | Sell Plan | 27,480 | $291.32 | $8.0M | +18.7% | — |
| Sep 3SEC | Seshasayee VaradarajanPresident | Sell Plan | 20,000 | $291.32 | $5.8M | +18.7% | — |
| Sep 3SEC | Seshasayee VaradarajanPresident | Sell Plan | 12,270 | $291.32 | $3.6M | +18.7% | — |
| Sep 1SEC | Ava HarterGeneral Counsel | Sell Plan | 5,000 | $302.46 | $1.5M | +14.3% | — |
| Aug 7SEC | Timothy ArcherCEO, President | Sell Plan | 30,000 | $300.00 | $9.0M | +15.3% | — |
| Jul 14SEC | Abhijit Y TalwalkarDirector | Sell Plan | 18,282 | $335.00 | $6.1M | +3.2% | — |
| Jul 6SEC | Timothy ArcherCEO, President | Sell Plan | 30,000 | $390.01 | $11.7M | -11.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 8,233 | $371.17 | $3.1M | -6.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 7,700 | $372.23 | $2.9M | -7.1% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 6,592 | $347.86 | $2.3M | -0.6% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 5,803 | $367.01 | $2.1M | -5.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 5,717 | $362.95 | $2.1M | -4.7% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 5,037 | $370.27 | $1.9M | -6.6% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 4,198 | $369.16 | $1.5M | -6.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 4,334 | $348.73 | $1.5M | -0.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 4,030 | $368.03 | $1.5M | -6.0% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 3,828 | $359.08 | $1.4M | -3.7% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 3,644 | $342.91 | $1.2M | +0.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 3,442 | $346.79 | $1.2M | -0.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 3,208 | $344.92 | $1.1M | +0.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 2,708 | $362.40 | $981K | -4.6% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 2,832 | $345.84 | $979K | -0.0% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 2,604 | $362.20 | $943K | -4.5% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 2,345 | $363.33 | $852K | -4.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 2,300 | $364.41 | $838K | -5.1% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,906 | $360.15 | $686K | -4.0% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,880 | $358.22 | $673K | -3.5% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,895 | $339.75 | $644K | +1.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,756 | $361.05 | $634K | -4.2% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,600 | $373.09 | $597K | -7.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,653 | $356.27 | $589K | -2.9% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,517 | $349.79 | $531K | -1.1% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,455 | $357.06 | $520K | -3.2% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,461 | $354.08 | $517K | -2.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,481 | $343.96 | $509K | +0.5% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,393 | $357.24 | $498K | -3.2% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,331 | $355.50 | $473K | -2.7% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,200 | $365.16 | $438K | -5.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,277 | $340.68 | $435K | +1.5% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,172 | $353.52 | $414K | -2.2% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,100 | $357.98 | $394K | -3.4% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,083 | $338.62 | $367K | +2.1% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 1,070 | $341.81 | $366K | +1.2% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 974 | $337.56 | $329K | +2.4% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 819 | $361.21 | $296K | -4.3% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 780 | $359.24 | $280K | -3.7% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 664 | $360.24 | $239K | -4.0% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 642 | $364.00 | $234K | -5.0% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 300 | $355.71 | $107K | -2.8% | — |
| Jun 15SEC | Eric BrandtDirector | Sell Plan | 36 | $350.77 | $13K | -1.4% | — |
| Jun 2SEC | Neil J FernandesPresident | Sell Plan | 7,659 | $309.60 | $2.4M | +11.7% | — |
| May 4SEC | Neil J FernandesPresident | Sell Plan | 18,170 | $255.14 | $4.6M | +35.5% | — |
| Apr 28SEC | Ava HarterGeneral Counsel | Sell | 6,010 | $258.66 | $1.6M | +33.7% | — |
| Mar 5SEC | Douglas R BettingerCFO | Sell | 50,057 | $224.03 | $11.2M | +54.4% | — |
| Mar 5SEC | Ava HarterGeneral Counsel | Sell | 1,500 | $222.66 | $334K | +55.3% | — |
| Mar 3SEC | Douglas R BettingerCFO | Sell | 40,329 | $230.22 | $9.3M | +50.2% | — |
| Mar 3SEC | Ava HarterGeneral Counsel | Sell | 4,000 | $232.50 | $930K | +48.7% | — |
| Feb 9SEC | Eric BrandtDirector | Sell | 18,000 | $230.00 | $4.1M | +50.3% | — |
| Feb 9SEC | Eric BrandtDirector | Sell | 17,000 | $220.95 | $3.8M | +56.5% | — |
| Dec 18SEC | Timothy ArcherCEO, President | Sell Plan | 113,300 | $163.86 | $18.6M | +111.0% | — |
| Dec 18SEC | Timothy ArcherCEO, President | Sell Plan | 50,000 | $163.86 | $8.2M | +111.0% | — |
| Nov 17SEC | Douglas R BettingerCFO | Sell | 40,080 | $150.60 | $6.0M | +129.6% | — |
| Nov 10SEC | Bethany MayerDirector | Sell Plan | 30 | $159.52 | $5K | +116.8% | — |
| Nov 4SEC | Bethany MayerDirector | Sell Plan | 1,298 | $159.99 | $208K | +116.1% | — |
| Oct 28SEC | Ava HarterGeneral Counsel | Sell | 6,010 | $157.46 | $946K | +119.6% | — |
| Oct 28SEC | Ava HarterGeneral Counsel | Sell | 3,000 | $157.48 | $472K | +119.6% | — |
| Oct 14SEC | Vahid VahediPresident | Sell Plan | 52,190 | $138.90 | $7.2M | +149.0% | — |
Insiders at Lam Research
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Timothy ArcherCEO, President | — | $57.0M | Sep 10, 2026 | — |
| Eric BrandtDirector | — | $47.0M | Jun 15, 2026 | — |
| Douglas R BettingerCFO | — | $26.5M | Mar 5, 2026 | — |
| Seshasayee VaradarajanPresident | — | $17.4M | Sep 3, 2026 | — |
| Vahid VahediPresident | — | $7.2M | Mar 2, 2026 | — |
| Neil J FernandesPresident | — | $7.0M | Jun 2, 2026 | — |
| Abhijit Y TalwalkarDirector | — | $6.1M | Jul 14, 2026 | — |
| Ava HarterGeneral Counsel | — | $5.7M | Sep 1, 2026 | — |
| Bethany MayerDirector | — | $3.2M | Sep 10, 2026 | — |
| Patrick J LordPresident | — | — | Mar 2, 2026 | — |
| Christina CorreiaCvp , Chief Accounting Officer | — | — | Mar 2, 2026 | — |
| Anirudh DevganDirector | — | — | Feb 9, 2026 | — |
| Mark FieldsDirector | — | — | Nov 10, 2025 | — |
| Michael R CannonDirector | — | — | Nov 10, 2025 | — |
| Ita M BrennanDirector | — | — | Nov 10, 2025 | — |
| John M. DineenDirector | — | — | Nov 10, 2025 | — |
| Sohail U AhmedDirector | — | — | Nov 10, 2025 | — |
| Jyoti MehraDirector | — | — | Nov 10, 2025 | — |
| Ho Kyu KangDirector | — | — | Nov 10, 2025 | — |
Insider activity at other Information Technology companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about LRCX insiders
Are Lam Research insiders buying LRCX stock?
In the past 12 months, 0 insiders reported open-market purchases of LRCX worth $0.
Are Lam Research insiders selling LRCX stock?
9 insiders reported sales worth $177M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.