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LRCX
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Lam Research Corporation

LRCX · Technology · Lam Research Corporation designs, manufactures, markets, refurbishes, and services semiconductor processing equipment used in the fabricati…

Lam Research Corporation (LRCX), in the Technology sector, has 33 disclosed filings on Paydirt over the trailing twelve months from 6 members of Congress and 8 corporate insiders: 5 purchases and 28 sales, 1 filed past the deadline. Filers took a median of 3 days from execution to disclosure, and the most recent trade was executed Nov 2 and filed Nov 3. The most active filer was David J. Taylor with 7 filings. Data as of Nov 7 2026.

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Filings, ttm
33
5 buys · 28 sells · 1 late
Traders, ttm
14
6 congress · 8 insiders
Volume, ttmiDollar value disclosed in the window
$170.0M
estimated for Congress, as filed for insiders
Median delay
3d
execution to disclosure
Last traded
Nov 2
Filed Nov 3
ADViAverage daily dollar volume
$3.1B
market data
Share price · 12M
$200 (+21.0%)
$433$286$139Nov 10 2025May 12Nov 6

Adjusted for splits and dividends.

Volume by month
$41.5M$20.7M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $33KFeb 2025 · buys $8KFeb 2025 · sells $9.9MMar 2025 · sells $8KApr 2025 · buys $83KApr 2025 · sells $75KMay 2025 · sells $132KJun 2025 · buys $33KJun 2025 · sells $33KAug 2025 · buys $33KSep 2025 · buys $32KSep 2025 · sells $57KOct 2025 · sells $8.7MNov 2025 · sells $6.2MDec 2025 · sells $26.8MJan 2026 · buys $75KJan 2026 · sells $65KFeb 2026 · buys $33KFeb 2026 · sells $7.9MMar 2026 · buys $8KMar 2026 · sells $21.8MApr 2026 · sells $1.6MMay 2026 · sells $4.7MJun 2026 · sells $41.5MJul 2026 · buys $16KJul 2026 · sells $17.8MAug 2026 · sells $9.0MSep 2026 · sells $31.5MOct 2026 · buys $8KOct 2026 · sells $7.1MNov 2026 · sells $174K
Buys $328K Sells $195.1M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
DT David J. Taylor Representative 9 filings · 2 buys, 7 sales TA Timothy Archer President and CEO 5 filings · 0 buys, 5 sales AH Ava Harter Chief Legal Officer 5 filings · 0 buys, 5 sales MM Markwayne Mullin Senator (Spouse) 4 filings · 3 buys, 1 sale EB Eric Brandt Director 3 filings · 0 buys, 3 sales DB Douglas R Bettinger Chief Financial Officer & EVP 3 filings · 0 buys, 3 sales JS Jefferson Shreve Representative 3 filings · 1 buy, 3 sales JB John Boozman Senator (Joint) 3 filings · 0 buys, 3 sales
All 25 filers BM Bethany Mayer Director 3 filings · 0 buys, 3 sales SW Sheldon Whitehouse Senator (Spouse) 3 filings · 0 buys, 3 sales NF Neil J Fernandes Senior Vice President 2 filings · 0 buys, 2 sales JJ Jonathan Jackson Representative (Spouse) 2 filings · 1 buy, 1 sale RB Rob Bresnahan Representative (Joint) 2 filings · 1 buy, 1 sale VH Valerie Hoyle Representative (Spouse) 2 filings · 1 buy, 2 sales SV Seshasayee Varadarajan Senior Vice President 2 filings · 0 buys, 2 sales AA Alan Armstrong Senator (Joint) 1 filing · 1 buy, 0 sales BD Byron Donalds Representative (Spouse) 1 filing · 1 buy, 0 sales CF Cleo Fields Representative 1 filing · 1 buy, 0 sales GC Gilbert Cisneros Representative 1 filing · 0 buys, 1 sale JJ Julie Johnson Representative (Joint) 1 filing · 0 buys, 1 sale MG Marjorie Taylor Greene Representative 1 filing · 1 buy, 0 sales MG Marjorie Taylor Mrs Greene Representative 1 filing · 1 buy, 0 sales AT Abhijit Y Talwalkar Director 1 filing · 0 buys, 1 sale VV Vahid Vahedi Senior Vice President 1 filing · 0 buys, 1 sale WK William R. Keating Representative 1 filing · 0 buys, 1 sale
Recent filings
Bethany MayerSALE Director $174K
719 sh × $242.59
Exec Nov 2
Filed Nov 3 · 2:58 PM ET
David J. TaylorPURCHASE Representative $8K
$1K–15K bracket
Exec Oct 15
Filed Oct 29
Timothy ArcherSALE President and CEO $7.1M
31,400 sh × $227.02
Exec Oct 23
Filed Oct 26 · 1:49 PM ET
Timothy ArcherSALE President and CEO $9.6M
30,000 sh × $319.26
Exec Sep 9
Filed Sep 10 · 1:05 PM ET
Bethany MayerSALE Director $3.0M
9,557 sh × $314.74
Exec Sep 9
Filed Sep 10 · 1:04 PM ET
Seshasayee VaradarajanSALE Senior Vice President $17.4M
59,750 sh across 3 lots
Exec Sep 2
Filed Sep 3 · 3:06 PM ET
Sheldon WhitehouseSALE Senator (Spouse) $8K
$1K–15K bracket
Exec Aug 13
Filed Sep 2
Ava HarterSALE Chief Legal Officer $1.5M
5,000 sh × $302.46
Exec Aug 31
Filed Sep 1 · 12:08 PM ET
Timothy ArcherSALE President and CEO $9.0M
30,000 sh × $300.00
Exec Aug 6
Filed Aug 7 · 1:24 PM ET
Alan ArmstrongPURCHASE Senator $16K
2 lots · $2K–30K bracket
Exec Mar 27
Filed Jul 21 †
Abhijit Y TalwalkarSALE Director $6.1M
18,282 sh × $335.00
Exec Jul 13
Filed Jul 14 · 12:56 PM ET
Timothy ArcherSALE President and CEO $11.7M
30,000 sh × $390.01
Exec Jul 2
Filed Jul 6 · 12:33 PM ET
Eric BrandtSALE Director $19.1M
54,464 sh across 25 lots
Exec Jun 11
Filed Jun 15 · 5:30 PM ET
Eric BrandtSALE Director $20.0M
54,500 sh across 17 lots
Exec Jun 12
Filed Jun 15 · 5:30 PM ET
David J. TaylorSALE Representative $8K
$1K–15K bracket
Exec Jun 5
Filed Jun 12
Neil J FernandesSALE Senior Vice President $2.4M
7,659 sh × $309.60
Exec Jun 1
Filed Jun 2 · 5:30 PM ET
David J. TaylorSALE Representative $16K
2 lots · $2K–30K bracket
Exec Apr 27
Filed May 7
Neil J FernandesSALE Senior Vice President $4.6M
18,170 sh × $255.14
Exec May 1
Filed May 4 · 5:30 PM ET
Ava HarterSALE Chief Legal Officer $1.6M
6,010 sh × $258.66
Exec Apr 27
Filed Apr 28 · 5:30 PM ET
David J. TaylorPURCHASE Representative $8K
$1K–15K bracket
Exec Mar 12
Filed Mar 20
David J. TaylorSALE Representative $16K
2 lots · $2K–30K bracket
Exec Feb 26
Filed Mar 6
Ava HarterSALE Chief Legal Officer $334K
1,500 sh × $222.66
Exec Mar 4
Filed Mar 5 · 5:30 PM ET
Douglas R BettingerSALE Chief Financial Officer & EVP $11.2M
50,057 sh × $224.03
Exec Mar 4
Filed Mar 5 · 5:30 PM ET
Ava HarterSALE Chief Legal Officer $930K
4,000 sh × $232.50
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
Douglas R BettingerSALE Chief Financial Officer & EVP $9.3M
40,329 sh × $230.22
Exec Mar 2
Filed Mar 3 · 5:30 PM ET