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Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.
Congressional Trades
32
All tracked trades
Members Trading
15
Unique members
Net Activity
-12
10 buys · 22 sells
Members Who Traded This Stock
32 trade events
| Date | Member | Stock | Type | Amount | Filed | Signal |
|---|---|---|---|---|---|---|
| 2026-06-05 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 130d ago | — | |
| 2026-04-27 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 166d ago | — | |
| 2026-04-27 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 166d ago | — | |
| 2026-03-12 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 214d ago | — | |
| 2026-02-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 228d ago | — | |
| 2026-02-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 228d ago | — | |
| 2026-02-03 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 238d ago | — | |
| 2026-01-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 260d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 247d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 272d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 272d ago | — | |
| 2025-12-29 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 277d ago | — | |
| 2025-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 375d ago | — | |
| 2025-09-22 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 378d ago | — | |
| 2025-09-03 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 370d ago | — | |
| 2025-08-28 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 412d ago | — | |
| 2025-08-07 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 410d ago | — | |
| 2025-07-18 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 413d ago | — | |
| 2025-05-13 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 496d ago | — | |
| 2025-04-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 524d ago | — | |
| 2025-04-07 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 524d ago | — | |
| 2025-04-04 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 561d ago | — | |
| 2025-03-31 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 557d ago | — | |
| 2024-11-25 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 692d ago | — | |
| 2024-10-29 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 403d ago | — | |
| 2024-10-17 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 713d ago | — | |
| 2024-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 747d ago | — | |
| 2024-07-30 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 778d ago | — | |
| 2024-01-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 987d ago | — | |
| 2024-01-19 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 978d ago | — | |
| 2022-10-12 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1440d ago | — | |
| 2022-01-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1705d ago | — |
2026-06-05
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
130d ago
2026-04-27
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
166d ago
2026-04-27
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
166d ago
2026-03-12
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
214d ago
2026-02-26
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
228d ago
2026-02-26
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
228d ago
2026-02-03
Cleo Fields
LRCX
Amount
$15,001 - $50,000
Filed
238d ago
2026-01-16
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
260d ago
2026-01-08
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
247d ago
2026-01-08
David J. Taylor
LRCX
Amount
$15,001 - $50,000
Filed
272d ago
2026-01-08
David J. Taylor
LRCX
Amount
$15,001 - $50,000
Filed
272d ago
2025-12-29
Markwayne Mullin
LRCX
Amount
$50,001 - $100,000
Filed
277d ago
2025-09-23
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
375d ago
2025-09-22
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
378d ago
2025-09-03
Jonathan Jackson
LRCX
Amount
$1,001 - $15,000
Filed
370d ago
2025-08-28
Sheldon Whitehouse
LRCX
Amount
$15,001 - $50,000
Filed
412d ago
2025-08-07
Byron Donalds
LRCX
Amount
$1,001 - $15,000
Filed
410d ago
2025-07-18
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
413d ago
2025-05-13
Markwayne Mullin
LRCX
Amount
$15,001 - $50,000
Filed
496d ago
2025-04-16
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
524d ago
2025-04-07
Julie Johnson
LRCX
Amount
$1,001 - $15,000
Filed
524d ago
2025-04-04
Marjorie Taylor Greene
LRCX
Amount
$1,001 - $15,000
Filed
561d ago
2025-03-31
Jefferson Shreve
LRCX
Amount
$50,001 - $100,000
Filed
557d ago
2024-11-25
Marjorie Taylor Mrs Greene
LRCX
Amount
$1,001 - $15,000
Filed
692d ago
2024-10-29
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
403d ago
2024-10-17
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
713d ago
2024-09-23
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
747d ago
2024-07-30
John James
LRCX
Amount
$1,001 - $15,000
Filed
778d ago
2024-01-23
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
987d ago
2024-01-19
Jonathan Jackson
LRCX
Amount
$15,001 - $50,000
Filed
978d ago
2022-10-12
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
1440d ago
2022-01-26
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
1705d ago
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Trade Timeline
Congressional activity, newest first
David J. Taylor
2026-06-05 · Sale
$1,001 - $15,000
David J. Taylor
2026-04-27 · Sale
$1,001 - $15,000
David J. Taylor
2026-04-27 · Sale
$1,001 - $15,000
David J. Taylor
2026-03-12 · Purchase
$1,001 - $15,000
David J. Taylor
2026-02-26 · Sale
$1,001 - $15,000
David J. Taylor
2026-02-26 · Sale
$1,001 - $15,000
Cleo Fields
2026-02-03 · Purchase
$15,001 - $50,000
David J. Taylor
2026-01-16 · Sale
$1,001 - $15,000
John Boozman
2026-01-08 · Sale
$1,001 - $15,000
David J. Taylor
2026-01-08 · Sale
$15,001 - $50,000
David J. Taylor
2026-01-08 · Sale
$15,001 - $50,000
Markwayne Mullin
2025-12-29 · Purchase
$50,001 - $100,000
Valerie Hoyle
2025-09-23 · Sale
$1,001 - $15,000
David J. Taylor
2025-09-22 · Sale
$1,001 - $15,000
Jonathan Jackson
2025-09-03 · Sale
$1,001 - $15,000
Sheldon Whitehouse
2025-08-28 · Sale
$15,001 - $50,000
Byron Donalds
2025-08-07 · Purchase
$1,001 - $15,000
David J. Taylor
2025-07-18 · Sale
$1,001 - $15,000
Markwayne Mullin
2025-05-13 · Purchase
$15,001 - $50,000
John Boozman
2025-04-16 · Sale
$1,001 - $15,000
Julie Johnson
2025-04-07 · Sale
$1,001 - $15,000
Marjorie Taylor Greene
2025-04-04 · Purchase
$1,001 - $15,000
Jefferson Shreve
2025-03-31 · Purchase
$50,001 - $100,000
Marjorie Taylor Mrs Greene
2024-11-25 · Purchase
$1,001 - $15,000
Valerie Hoyle
2024-10-29 · Purchase
$1,001 - $15,000
Josh Gottheimer
2024-10-17 · Sale
$1,001 - $15,000
Josh Gottheimer
2024-09-23 · Sale
$1,001 - $15,000
John James
2024-07-30 · Sale
$1,001 - $15,000
Kathy Manning
2024-01-23 · Sale
$1,001 - $15,000
Jonathan Jackson
2024-01-19 · Purchase
$15,001 - $50,000
Kathy Manning
2022-10-12 · Sale
$1,001 - $15,000
Josh Gottheimer
2022-01-26 · Sale
$1,001 - $15,000