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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 | 59d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 46d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 71d ago | — | |
| 2025-12-29 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 76d ago | — | |
| 2025-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 174d ago | — | |
| 2025-09-22 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 177d ago | — | |
| 2025-09-03 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 169d ago | — | |
| 2025-08-28 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 211d ago | — | |
| 2025-08-07 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 209d ago | — | |
| 2025-07-18 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 212d ago | — | |
| 2025-05-13 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 295d ago | — | |
| 2025-04-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 323d ago | — | |
| 2025-04-07 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 323d ago | — | |
| 2025-04-04 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 360d ago | — | |
| 2025-03-31 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 356d ago | — | |
| 2024-11-25 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 491d ago | — | |
| 2024-10-29 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 202d ago | — | |
| 2024-10-17 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 512d ago | — | |
| 2024-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 546d ago | — | |
| 2024-07-30 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 577d ago | — | |
| 2024-01-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 786d ago | — | |
| 2024-01-19 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 777d ago | — | |
| 2022-10-12 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1239d ago | — | |
| 2022-01-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1504d ago | — |
2026-01-16
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
59d ago
2026-01-08
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
46d ago
2026-01-08
David J. Taylor
LRCX
Amount
$15,001 - $50,000
Filed
71d ago
2025-12-29
Markwayne Mullin
LRCX
Amount
$50,001 - $100,000
Filed
76d ago
2025-09-23
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
174d ago
2025-09-22
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
177d ago
2025-09-03
Jonathan Jackson
LRCX
Amount
$1,001 - $15,000
Filed
169d ago
2025-08-28
Sheldon Whitehouse
LRCX
Amount
$15,001 - $50,000
Filed
211d ago
2025-08-07
Byron Donalds
LRCX
Amount
$1,001 - $15,000
Filed
209d ago
2025-07-18
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
212d ago
2025-05-13
Markwayne Mullin
LRCX
Amount
$15,001 - $50,000
Filed
295d ago
2025-04-16
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
323d ago
2025-04-07
Julie Johnson
LRCX
Amount
$1,001 - $15,000
Filed
323d ago
2025-04-04
Marjorie Taylor Greene
LRCX
Amount
$1,001 - $15,000
Filed
360d ago
2025-03-31
Jefferson Shreve
LRCX
Amount
$50,001 - $100,000
Filed
356d ago
2024-11-25
Marjorie Taylor Mrs Greene
LRCX
Amount
$1,001 - $15,000
Filed
491d ago
2024-10-29
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
202d ago
2024-10-17
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
512d ago
2024-09-23
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
546d ago
2024-07-30
John James
LRCX
Amount
$1,001 - $15,000
Filed
577d ago
2024-01-23
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
786d ago
2024-01-19
Jonathan Jackson
LRCX
Amount
$15,001 - $50,000
Filed
777d ago
2022-10-12
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
1239d ago
2022-01-26
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
1504d 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