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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 | 170d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 157d ago | — | |
| 2026-01-08 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 182d ago | — | |
| 2025-12-29 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 187d ago | — | |
| 2025-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 285d ago | — | |
| 2025-09-22 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 288d ago | — | |
| 2025-09-03 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 280d ago | — | |
| 2025-08-28 | LRCXLam Research Corp | Sell | $15,001 - $50,000 | 322d ago | — | |
| 2025-08-07 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 320d ago | — | |
| 2025-07-18 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 323d ago | — | |
| 2025-05-13 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 406d ago | — | |
| 2025-04-16 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 434d ago | — | |
| 2025-04-07 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 434d ago | — | |
| 2025-04-04 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 471d ago | — | |
| 2025-03-31 | LRCXLam Research Corp | Buy | $50,001 - $100,000 | 467d ago | — | |
| 2024-11-25 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 602d ago | — | |
| 2024-10-29 | LRCXLam Research Corp | Buy | $1,001 - $15,000 | 313d ago | — | |
| 2024-10-17 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 623d ago | — | |
| 2024-09-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 657d ago | — | |
| 2024-07-30 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 688d ago | — | |
| 2024-01-23 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 897d ago | — | |
| 2024-01-19 | LRCXLam Research Corp | Buy | $15,001 - $50,000 | 888d ago | — | |
| 2022-10-12 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1350d ago | — | |
| 2022-01-26 | LRCXLam Research Corp | Sell | $1,001 - $15,000 | 1615d ago | — |
2026-01-16
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
170d ago
2026-01-08
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
157d ago
2026-01-08
David J. Taylor
LRCX
Amount
$15,001 - $50,000
Filed
182d ago
2025-12-29
Markwayne Mullin
LRCX
Amount
$50,001 - $100,000
Filed
187d ago
2025-09-23
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
285d ago
2025-09-22
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
288d ago
2025-09-03
Jonathan Jackson
LRCX
Amount
$1,001 - $15,000
Filed
280d ago
2025-08-28
Sheldon Whitehouse
LRCX
Amount
$15,001 - $50,000
Filed
322d ago
2025-08-07
Byron Donalds
LRCX
Amount
$1,001 - $15,000
Filed
320d ago
2025-07-18
David J. Taylor
LRCX
Amount
$1,001 - $15,000
Filed
323d ago
2025-05-13
Markwayne Mullin
LRCX
Amount
$15,001 - $50,000
Filed
406d ago
2025-04-16
John Boozman
LRCX
Amount
$1,001 - $15,000
Filed
434d ago
2025-04-07
Julie Johnson
LRCX
Amount
$1,001 - $15,000
Filed
434d ago
2025-04-04
Marjorie Taylor Greene
LRCX
Amount
$1,001 - $15,000
Filed
471d ago
2025-03-31
Jefferson Shreve
LRCX
Amount
$50,001 - $100,000
Filed
467d ago
2024-11-25
Marjorie Taylor Mrs Greene
LRCX
Amount
$1,001 - $15,000
Filed
602d ago
2024-10-29
Valerie Hoyle
LRCX
Amount
$1,001 - $15,000
Filed
313d ago
2024-10-17
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
623d ago
2024-09-23
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
657d ago
2024-07-30
John James
LRCX
Amount
$1,001 - $15,000
Filed
688d ago
2024-01-23
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
897d ago
2024-01-19
Jonathan Jackson
LRCX
Amount
$15,001 - $50,000
Filed
888d ago
2022-10-12
Kathy Manning
LRCX
Amount
$1,001 - $15,000
Filed
1350d ago
2022-01-26
Josh Gottheimer
LRCX
Amount
$1,001 - $15,000
Filed
1615d 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