Congress Trades

Timothy ArcherFiled

President and CEOExecutiveCIK 1343600
Net · 12 months
-$57M
Open-market buys − sales
Sold · 12 months
$57M
$30.3M in 90d · 50 sales on record
Bought · 12 months
$0
$0 in 90d · 0 buys on record
Under 10b5-1
100%
Share of sale value under a trading plan
Last trade
Sep 9, 2026
Filed Sep 10, 2026 · 93 rows

Monthly open-market value · 24 months Filed

  • Bought (open market)
  • Sold (open market)

Unusual activity Estimated

Whale score 95Whale watch
  • 29Exec saleSep 9, 2026

    LRCX CEO Timothy Archer sold $9.6M (10b5-1 plan)

    Timothy ArcherLRCX4
    Details
    Insider
    Timothy Archer
    Company
    LAM RESEARCH CORP
    Ticker
    LRCX
    Tx kind
    open_market_sale
    Tx date
    Sep 9, 2026
    Shares
    30,000
    Price
    $319
    Value
    $9.6M
    Is 10b5 1
    Yes
  • 50Insider overlapAug 13, 2026

    Sen. Sheldon Whitehouse partially sold LRCX 7 days after its CEO sold $9M

    DSheldon WhitehouseTimothy ArcherLRCXFiling4
    Details
    Politician
    Sheldon Whitehouse
    Ticker
    LRCX
    Asset
    Lam Research Corporation - Common Stock
    Tx type
    partial_sale
    Tx date
    Aug 13, 2026
    Filing date
    Sep 2, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    20
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2026-08-06","shares":30000,"price":300,"value":9000000,"is_10b5_1":true}
    Days between
    7
    Opposite side
    No
  • 29Exec saleAug 6, 2026

    LRCX CEO Timothy Archer sold $9M (10b5-1 plan)

    Timothy ArcherLRCX4
    Details
    Insider
    Timothy Archer
    Company
    LAM RESEARCH CORP
    Ticker
    LRCX
    Tx kind
    open_market_sale
    Tx date
    Aug 6, 2026
    Shares
    30,000
    Price
    $300
    Value
    $9M
    Is 10b5 1
    Yes
  • 31Exec saleJul 2, 2026

    LRCX CEO Timothy Archer sold $11.7M (10b5-1 plan)

    Timothy ArcherLRCX4
    Details
    Insider
    Timothy Archer
    Company
    LAM RESEARCH CORP
    Ticker
    LRCX
    Tx kind
    open_market_sale
    Tx date
    Jul 2, 2026
    Shares
    30,000
    Price
    $390
    Value
    $11.7M
    Is 10b5 1
    Yes
  • 50Insider overlapJun 5, 2026

    Rep. David J. Taylor sold LRCX 27 days before its CEO sold $11.7M

    RDavid J. TaylorTimothy ArcherLRCXFiling4
    Details
    Politician
    David J. Taylor
    Ticker
    LRCX
    Asset
    Lam Research Corporation - Common Stock (LRCX)
    Tx type
    sell
    Tx date
    Jun 5, 2026
    Filing date
    Jun 12, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    7
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2026-07-02","shares":30000,"price":390.01,"value":11700300,"is_10b5_1":true}
    Days between
    -27
    Opposite side
    No
  • 50Insider overlapJan 16, 2026

    Rep. David J. Taylor sold LRCX 30 days after its CEO sold $18.6M

    RDavid J. TaylorTimothy ArcherLRCXFiling4
    Details
    Politician
    David J. Taylor
    Ticker
    LRCX
    Asset
    Lam Research Corporation - Common Stock (LRCX)
    Tx type
    sell
    Tx date
    Jan 16, 2026
    Filing date
    Feb 2, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    17
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2025-12-17","shares":113300,"price":163.86,"value":18565338,"is_10b5_1":true}
    Days between
    30
    Opposite side
    No
  • 50Insider overlapJan 8, 2026

    Rep. David J. Taylor sold LRCX 22 days after its CEO sold $18.6M

    RDavid J. TaylorTimothy ArcherLRCXFiling4
    Details
    Politician
    David J. Taylor
    Ticker
    LRCX
    Asset
    Lam Research Corporation - Common Stock (LRCX)
    Tx type
    sell
    Tx date
    Jan 8, 2026
    Filing date
    Jan 21, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Amount mid
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    13
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2025-12-17","shares":113300,"price":163.86,"value":18565338,"is_10b5_1":true}
    Days between
    22
    Opposite side
    No
  • 50Insider overlapJan 8, 2026

    Rep. David J. Taylor sold LRCX 22 days after its CEO sold $18.6M

    RDavid J. TaylorTimothy ArcherLRCXFiling4
    Details
    Politician
    David J. Taylor
    Ticker
    LRCX
    Asset
    Lam Research Corporation - Common Stock (LRCX)
    Tx type
    sell
    Tx date
    Jan 8, 2026
    Filing date
    Jan 21, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Amount mid
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    13
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2025-12-17","shares":113300,"price":163.86,"value":18565338,"is_10b5_1":true}
    Days between
    22
    Opposite side
    No
  • 50Insider overlapJan 8, 2026

    Sen. John Boozman partially sold LRCX 22 days after its CEO sold $18.6M

    RJohn BoozmanTimothy ArcherLRCXFiling4
    Details
    Politician
    John Boozman
    Ticker
    LRCX
    Asset
    Lam Research Corp
    Tx type
    partial_sale
    Tx date
    Jan 8, 2026
    Filing date
    Feb 15, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    38
    Is whale
    No
    Insider trade
    {"insider":{"slug":"timothy-archer","name":"Timothy Archer","title":"President and CEO","short_title":"CEO"},"company":"LAM RESEARCH CORP","ticker":"LRCX","tx_kind":"open_market_sale","tx_date":"2025-12-17","shares":113300,"price":163.86,"value":18565338,"is_10b5_1":true}
    Days between
    22
    Opposite side
    No
  • 34Exec saleDec 17, 2025

    LRCX CEO Timothy Archer sold $18.6M (10b5-1 plan)

    Timothy ArcherLRCX4
    Details
    Insider
    Timothy Archer
    Company
    LAM RESEARCH CORP
    Ticker
    LRCX
    Tx kind
    open_market_sale
    Tx date
    Dec 17, 2025
    Shares
    113,300
    Price
    $164
    Value
    $18.6M
    Is 10b5 1
    Yes

Transactions

Independent third-party platform; not affiliated with or endorsed by any member of Congress. Data sourced from publicly available filings and records. Portfolio, holdings, returns, and allocations are estimates and may differ from actual values. Informational and educational only; not investment advice. Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4; the whale score is a model ranking of that filed activity.