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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
24
All tracked trades
Members Trading
14
Unique members
Net Activity
-8
8 buys · 16 sells
Members Who Traded This Stock
24 trade events
| Date | Member | Stock | Type | Amount | Filed | Signal |
|---|---|---|---|---|---|---|
| 2026-01-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 121d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 108d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 133d ago | — | |
| 2025-12-29 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 138d ago | — | |
| 2025-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 236d ago | — | |
| 2025-09-22 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 239d ago | — | |
| 2025-09-03 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 231d ago | — | |
| 2025-08-28 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 273d ago | — | |
| 2025-08-07 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 271d ago | — | |
| 2025-07-18 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 274d ago | — | |
| 2025-05-13 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 357d ago | — | |
| 2025-04-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 385d ago | — | |
| 2025-04-07 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 385d ago | — | |
| 2025-04-04 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 422d ago | — | |
| 2025-03-31 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 418d ago | — | |
| 2024-11-25 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 553d ago | — | |
| 2024-10-29 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 264d ago | — | |
| 2024-10-17 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 574d ago | — | |
| 2024-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 608d ago | — | |
| 2024-07-30 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 639d ago | — | |
| 2024-01-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 848d ago | — | |
| 2024-01-19 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 839d ago | — | |
| 2022-10-12 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1301d ago | — | |
| 2022-01-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1566d ago | — |
2026-01-16
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
121d ago
2026-01-08
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
108d ago
2026-01-08
David J. Taylor
LRCX
Amount
$15,001 - $50,000
Filed
133d ago
2025-12-29
Markwayne Mullin
LRCX
Amount
$50,001 - $100,000
Filed
138d ago
2025-09-23
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
236d ago
2025-09-22
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
239d ago
2025-09-03
Jonathan Jackson
LRCX
Amount
$1,001 - $15,000
Filed
231d ago
2025-08-28
Sheldon Whitehouse
LRCX
Amount
$15,001 - $50,000
Filed
273d ago
2025-08-07
Byron Donalds
LRCX
Amount
$1,001 - $15,000
Filed
271d ago
2025-07-18
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
274d ago
2025-05-13
Markwayne Mullin
LRCX
Amount
$15,001 - $50,000
Filed
357d ago
2025-04-16
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
385d ago
2025-04-07
Julie Johnson
LRCX
Amount
$1,001 - $15,000
Filed
385d ago
2025-04-04
Marjorie Taylor Greene
LRCX
Amount
$1,001 - $15,000
Filed
422d ago
2025-03-31
Jefferson Shreve
LRCX
Amount
$50,001 - $100,000
Filed
418d ago
2024-11-25
Marjorie Taylor Mrs Greene
LRCX
Amount
$1,001 - $15,000
Filed
553d ago
2024-10-29
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
264d ago
2024-10-17
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
574d ago
2024-09-23
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
608d ago
2024-07-30
John James
LRCX
Amount
$1,001 - $15,000
Filed
639d ago
2024-01-23
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
848d ago
2024-01-19
Jonathan Jackson
LRCX
Amount
$15,001 - $50,000
Filed
839d ago
2022-10-12
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
1301d ago
2022-01-26
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
1566d ago
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Trade Timeline
Congressional activity, newest first
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
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