Lam Research Corporation
Could not find a ticker for this position, may be a filing error
A maker of the machinery that fabricates silicon chips—the etch, deposition, and cleaning tools used by manufacturers like Samsung, SK hynix, Micron, and TSMC to build memory and logic semiconductors. Founded in 1980 by Dr. David K. Lam in Santa Clara, California, the company's name isn't an acronym despite jokes about "Let's All Move"—it simply honors its founder's surname. Its product families include Kiyo and Flex etch tools and ALTUS and VECTOR deposition systems.
1.25% Convertible Senior Notes Due 2018
Granted 1.91M · Sold 1.09M
Granted 750.1K · Sold 335.6K
Granted 168.7K · Sold 106.4K
Granted 284.1K · Sold 206.6K
Granted 32.3K · Sold 9.0K
Granted 36.0K · Sold 144.0K
Sold 706.3K
Granted 755.3K · Bought 7.5K · Sold 405.3K
Granted 32.9K · Sold 17.3K
Granted 219.7K · Sold 79.8K
Granted 58.6K · Sold 146.8K
Granted 36.7K · Sold 1.3K
Granted 7.6K · Sold 0.11
Granted 7.6K · Sold 3.0K
Granted 30.2K · Sold 99.2K
Granted 23.0K · Sold 7.0K
Granted 60.0K
Granted 57.5K · Sold 34.0K
Granted 43.2K · Bought 9.46 · Sold 20.5K
Granted 52.3K · Bought 1.7K
Granted 46.4K · Sold 4.7K
Granted 23.4K · Sold 5.0K
Granted 238.7K · Sold 107.1K
Granted 532.1K · Sold 373.7K
Granted 6.9K · Sold 7.6K
Granted 24.5K
Granted 26.9K · Sold 3.0K
Granted 45.8K · Sold 6.6K
Granted 6.9K
Granted 15.5K · Sold 19.1K
Granted 6.0K
Granted 30.9K · Sold 23.6K
Granted 25.7K · Sold 10.2K
Granted 255 · Sold 400
Granted 27.2K · Sold 7.0K
Granted 35.8K · Sold 67.2K
Granted 294.2K · Sold 1.10M
Granted 5.4K
Granted 5.0K
Granted 8.9K
Granted 7.5K
Granted 5.3K
Granted 15.8K · Sold 7.9K
Granted 4.2K · Sold 2.9K
Granted 5.3K
Granted 3.1K · Sold 225
Granted 960
Granted 1.1K
Granted 60.0K · Sold 256.9K
Granted 22.2K · Sold 96.0K
Granted 27.0K · Sold 72.0K
Granted 125.5K · Sold 52.5K
Granted 24.3K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Archer TimothyPresident and CEO · 263 transactions | — | 1.17M | 1.91M | — | 1.09M |
| Bettinger Douglas RChief Financial Officer & EVP · 184 transactions | — | 1.08M | 750.1K | — | 335.6K |
| Vahedi VahidSenior Vice President · 67 transactions | — | 276.9K | 168.7K | — | 106.4K |
| Varadarajan SeshasayeeSenior Vice President · 72 transactions | — | 227.6K | 284.1K | — | 206.6K |
| Cannon Michael RDirector · 17 transactions | — | 191.4K | 32.3K | — | 9.0K |
| Brandt EricDirector · 65 transactions | — | 167.3K | 36.0K | — | 144.0K |
| Bagley James WExecutive Chairman · 54 transactions | — | 142.0Kas of Mar 2011 | — | — | 706.3K |
| Anstice Martin BChief Executive Officer · 96 transactions | — | 134.4Kas of May 2018 | 755.3K | 7.5K | 405.3K |
| Talwalkar Abhijit YDirector · 29 transactions | — | 105.4K | 32.9K | — | 17.3K |
| Lord Patrick JExecutive Vice President · 137 transactions | — | 98.8K | 219.7K | — | 79.8K |
| Inman Grant MDirector · 27 transactions | — | 87.6Kas of Nov 2014 | 58.6K | — | 146.8K |
| Correia ChristinaCVP , Chief Accounting Officer · 16 transactions | — | 71.5K | 36.7K | — | 1.3K |
| Ahmed Sohail UDirector · 27 transactions | — | 65.8K | 7.6K | — | 0.11 |
| Mayer BethanyDirector · 17 transactions | — | 64.4K | 7.6K | — | 3.0K |
| Arscott David GDirector · 17 transactions | — | 63.9Kas of Jan 2011 | 30.2K | — | 99.2K |
| Marks JeffreyVice President · 5 transactions | — | 61.7Kas of Aug 2010 | 23.0K | — | 7.0K |
| Spivey WilliamDirector · 5 transactions | — | 60.0Kas of Nov 2014 | 60.0K | — | — |
| Fernandes Neil JSenior Vice President · 28 transactions | — | 59.5K | 57.5K | — | 34.0K |
| Harter AvaChief Legal Officer · 16 transactions | — | 59.2K | 43.2K | 9.46 | 20.5K |
| Lego Catherine PDirector · 20 transactions | — | 50.0Kas of Apr 2022 | 52.3K | 1.7K | — |
| El Mansy Youssef ADirector · 38 transactions | — | 37.8Kas of Feb 2020 | 46.4K | — | 4.7K |
| Bondur Thomas JVice President · 7 transactions | — | 34.5Kas of Dec 2010 | 23.4K | — | 5.0K |
| O'Dowd Sarah AChief Legal Officer & SVP · 73 transactions | — | 32.1Kas of Dec 2019 | 238.7K | — | 107.1K |
| Gottscho Richard AExecutive Vice President & CTO · 143 transactions | — | 30.4Kas of Mar 2023 | 532.1K | — | 373.7K |
| Srinivasan MukundVice President · 12 transactions | — | 28.9Kas of Jan 2012 | 6.9K | — | 7.6K |
| Wolpert Patricia SDirector · 5 transactions | — | 24.5Kas of Feb 2010 | 24.5K | — | — |
| Saraswat KrishnaDirector · 9 transactions | — | 23.9Kas of Nov 2015 | 26.9K | — | 3.0K |
| Meikle Scott GeraldSenior Vice President · 44 transactions | — | 23.2Kas of Mar 2023 | 45.8K | — | 6.6K |
| Morita MasayukiVice President · 5 transactions | — | 23.0Kas of Mar 2012 | 6.9K | — | — |
| Hariri AbdiVice President · 7 transactions | — | 18.6Kas of Feb 2009 | 15.5K | — | 19.1K |
| Mehra JyotiDirector · 6 transactions | — | 18.5K | 6.0K | — | — |
| Jennings KevinSenior Vice President · 32 transactions | — | 18.2Kas of Jul 2020 | 30.9K | — | 23.6K |
| Heckart ChristineDirector · 31 transactions | — | 15.5Kas of Feb 2019 | 25.7K | — | 10.2K |
| Schisler George MChief Legal Officer · 6 transactions | — | 15.3Kas of May 2024 | 255 | — | 400 |
| Watanabe SeiichiDirector · 13 transactions | — | 14.5Kas of Feb 2009 | 27.2K | — | 7.0K |
| Berdahl Robert MDirector · 29 transactions | — | 11.6Kas of Feb 2012 | 35.8K | — | 67.2K |
| Newberry Stephen GDirector · 69 transactions | — | 9.8Kas of Nov 2018 | 294.2K | — | 1.10M |
| Kang Ho KyuDirector · 7 transactions | — | 9.7K | 5.4K | — | — |
| Dineen John M.Director · 4 transactions | — | 9.1K | 5.0K | — | — |
| Perdikou KimDirector · 2 transactions | — | 8.9Kas of Feb 2012 | 8.9K | — | — |
| Tsai Lih Shyng (Rick)Director · 9 transactions | — | 7.5Kas of Nov 2023 | 7.5K | — | — |
| Fields MarkDirector · 3 transactions | — | 5.9K | 5.3K | — | — |
| Hahn AvaChief Legal Officer & SVP · 19 transactions | — | 5.8Kas of Jan 2024 | 15.8K | — | 7.9K |
| Corrreia ChristinaCVP , Chief Accounting Officer · 15 transactions | — | 5.5Kas of Apr 2024 | 4.2K | — | 2.9K |
| Brennan Ita MDirector · 3 transactions | — | 5.3K | 5.3K | — | — |
| Varon Leslie FDirector · 7 transactions | — | 2.8Kas of Nov 2023 | 3.1K | — | 225 |
| Koh Young BumDirector · 1 transaction | — | 2.0Kas of Nov 2017 | 960 | — | — |
| Devgan AnirudhDirector · 1 transaction | — | 1.8K | 1.1K | — | — |
| Bright Nicolas JSenior Vice President · 26 transactions | — | 1.2Kas of May 2006 | 60.0K | — | 256.9K |
| Harris Jack RaymondDirector · 16 transactions | — | 0as of Dec 2009 | 22.2K | — | 96.0K |
| Elkus Richard J JrDirector · 18 transactions | — | 0as of Mar 2010 | 27.0K | — | 72.0K |
| Maddock Ernest EChief Financial Officer · 20 transactions | — | 0as of Mar 2013 | 125.5K | — | 52.5K |
| Whitaker DelbertDirector · 2 transactions | — | 0as of Jun 2012 | 24.3K | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over all recorded history: -5.62M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.