LRCX Insider Trading
LAM RESEARCH CORP | Special Industry Machinery, NEC
Comprehensive Trading Performance Summary
The investment history of corporate insiders at LAM RESEARCH CORP provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Special Industry Machinery, NEC sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2013-02-07 21:29 | 2013-02-05 | MADDOCK ERNEST E | Officer - Chief Financial Officer | OPT+S | $42.28 | 12,030 | $508,636 | 62,777 | 0.0% |
| 2013-01-31 01:17 | 2013-01-28 | MADDOCK ERNEST E | Officer - Chief Financial Officer | OPT+S | $41.69 | 12,450 | $519,001 | 62,777 | 0.0% |
| 2011-06-03 01:35 | 2011-06-01 | Anstice Martin B | Officer - President & COO | OPT+S | $48.00 | 15,000 | $720,000 | 67,768 | 0.0% |
| 2011-05-12 21:13 | 2011-05-10 | Anstice Martin B | Officer - President & COO | OPT+S | $48.03 | 10,000 | $480,270 | 67,768 | 0.0% |
| 2011-03-30 00:05 | 2011-03-28 | Gottscho Richard A | Officer - Senior Vice President | SELL | $54.61 | 4,266 | $232,966 | 66,004 | -6.1% |
| 2011-03-10 01:19 | 2011-03-08 | Srinivasan Mukund | Officer - Vice President | SELL | $56.59 | 4,533 | $256,522 | 39,129 | -10.4% |
| 2011-03-10 01:16 | 2011-03-08 | O'Dowd Sarah A | Officer - VP, Chief Legal Officer | SELL | $58.01 | 1,000 | $58,010 | 39,727 | -2.5% |
| 2011-03-10 01:02 | 2011-03-07 | BAGLEY JAMES W | Officer - Executive Chairman | SELL | $58.10 | 40,000 | $2,323,800 | 142,000 | -22.0% |
| 2011-03-09 01:11 | 2011-03-04 | INMAN GRANT M | Director | OPT+S | $57.58 | 15,000 | $863,730 | 87,198 | 0.0% |
| 2011-03-04 22:55 | 2011-03-02 | O'Dowd Sarah A | Officer - VP, Chief Legal Officer | SELL | $57.35 | 5,000 | $286,755 | 30,179 | -14.2% |
| 2011-03-04 22:44 | 2011-03-02 | MADDOCK ERNEST E | Officer - Chief Financial Officer | OPT+S | $56.65 | 25,000 | $1,416,175 | 38,259 | 0.0% |
| 2011-03-04 05:02 | 2011-03-01 | Gottscho Richard A | Officer - Senior Vice President | OPT+S | $55.26 | 48,835 | $2,698,642 | 60,276 | 0.0% |
| 2011-02-15 02:54 | 2011-02-11 | BERDAHL ROBERT M | Director | OPT+S | $53.70 | 32,948 | $1,769,252 | 7,950 | 0.0% |
| 2011-02-02 23:04 | 2011-01-31 | Gottscho Richard A | Officer - Senior Vice President | SELL | $50.00 | 6,105 | $305,268 | 67,862 | -8.3% |
| 2010-12-16 22:24 | 2010-12-14 | Bondur Thomas J | Officer - Vice President | OPT+S | $52.57 | 5,000 | $262,825 | 34,505 | 0.0% |
| 2010-12-08 22:53 | 2010-12-06 | Srinivasan Mukund | Officer - Vice President | SELL | $49.38 | 3,114 | $153,769 | 37,715 | -7.6% |
| 2010-12-08 23:01 | 2010-12-07 | O'Dowd Sarah A | Officer - VP, Chief Legal Officer | SELL | $50.00 | 3,213 | $160,650 | 40,972 | -7.3% |
| 2010-12-08 22:37 | 2010-12-07 | MADDOCK ERNEST E | Officer - Chief Financial Officer | SELL | $50.00 | 3,050 | $152,500 | 42,591 | -6.7% |
| 2010-11-09 00:57 | 2010-11-04 | Gottscho Richard A | Officer - Vice President | SELL | $47.90 | 5,945 | $284,766 | 75,688 | -7.3% |
| 2010-11-09 01:11 | 2010-11-05 | ARSCOTT DAVID G | Director | OPT+S | $47.85 | 12,000 | $574,200 | 60,733 | 0.0% |
| 2010-11-04 00:30 | 2010-11-02 | Anstice Martin B | Officer - Chief Operating Officer | SELL | $45.85 | 11,959 | $548,308 | 54,795 | -17.9% |
| 2010-11-02 00:20 | 2010-10-28 | O'Dowd Sarah A | Officer - VP, Chief Legal Officer | SELL | $44.76 | 7,207 | $322,585 | 44,185 | -14.0% |
| 2010-10-27 20:09 | 2010-10-26 | Anstice Martin B | Officer - Chief Operating Officer | OPT+S | $44.58 | 2,849 | $127,008 | 66,754 | 0.0% |
| 2010-10-27 20:21 | 2010-10-25 | BERDAHL ROBERT M | Director | OPT+S | $45.21 | 12,000 | $542,520 | 22,698 | 0.0% |
| 2010-10-27 20:31 | 2010-10-25 | INMAN GRANT M | Director | OPT+S | $44.70 | 12,000 | $536,400 | 83,998 | 0.0% |
| 2010-08-12 01:27 | 2010-06-16 | Gottscho Richard A | Officer - Vice President | SELL | $42.90 | 5,229 | $224,324 | 82,578 | -6.0% |
| 2010-03-15 20:15 | 2010-03-11 | ELKUS RICHARD J JR | Director | OPT+S | $34.88 | 12,000 | $418,560 | 59,368 | 0.0% |
| 2010-01-06 01:39 | 2010-01-04 | Gottscho Richard A | Officer - Vice President | SELL | $40.00 | 20,000 | $800,000 | 39,531 | -33.6% |
| 2009-12-15 22:24 | 2009-12-11 | BERDAHL ROBERT M | Director | OPT+S | $38.26 | 6,000 | $229,560 | 17,948 | 0.0% |
| 2009-12-04 01:55 | 2009-12-02 | HARRIS JACK RAYMOND | Director | OPT+S | $36.15 | 24,000 | $867,542 | 33,578 | 0.0% |
| 2009-12-04 02:50 | 2009-12-02 | Marks Jeffrey | Officer - VP & GM, Clean Business | SELL | $35.26 | 7,000 | $246,826 | 39,747 | -15.0% |
| 2009-12-04 02:04 | 2009-12-02 | INMAN GRANT M | Director | OPT+S | $36.06 | 16,000 | $576,920 | 79,248 | 0.0% |
| 2009-12-03 01:41 | 2009-11-30 | ELKUS RICHARD J JR | Director | OPT+S | $33.99 | 18,000 | $611,782 | 54,618 | 0.0% |
| 2009-12-03 01:55 | 2009-12-01 | ARSCOTT DAVID G | Director | OPT+S | $35.11 | 24,000 | $842,640 | 60,983 | 0.0% |
| 2009-06-02 01:45 | 2009-05-28 | ELKUS RICHARD J JR | Director | OPT+S | $25.75 | 24,000 | $617,976 | 54,618 | 0.0% |
| 2009-05-07 01:22 | 2009-05-04 | ELKUS RICHARD J JR | Director | SELL | $28.18 | 18,000 | $507,175 | 54,618 | -24.8% |
| 2009-05-02 00:40 | 2009-04-29 | NEWBERRY STEPHEN G | Officer - President and CEO | OPT+S | $27.05 | 194,600 | $5,264,339 | 60,130 | 0.0% |
| 2009-03-17 00:03 | 2009-03-12 | Gottscho Richard A | Officer - Vice President | SELL | $22.00 | 2,197 | $48,334 | 69,837 | -3.0% |
| 2009-02-14 01:08 | 2009-02-13 | INMAN GRANT M | Director | SELL | $21.75 | 37,750 | $821,123 | 71,248 | -34.6% |
| 2008-08-28 20:40 | 2008-08-27 | BERDAHL ROBERT M | Director | SELL | $37.69 | 2,000 | $75,380 | 9,818 | -16.9% |
| 2008-08-06 00:46 | 2008-08-05 | Anstice Martin B | Officer - Chief Financial Officer | BUY | $33.45 | 7,480 | $250,240 | 12,841 | +139.5% |
| 2007-05-25 22:51 | 2007-05-23 | Watanabe Seiichi | Director | SELL | $51.22 | 7,000 | $358,561 | 4,440 | -61.2% |
| 2007-05-08 01:47 | 2007-05-04 | Gottscho Richard A | Officer - Vice President | SELL | $54.93 | 364 | $19,995 | 48,800 | -0.7% |
| 2007-04-24 20:18 | 2007-04-20 | INMAN GRANT M | Director | OPT+S | $52.69 | 30,000 | $1,580,586 | 101,190 | 0.0% |
| 2007-03-13 01:57 | 2007-03-08 | BERDAHL ROBERT M | Director | SELL | $45.46 | 2,300 | $104,564 | 7,140 | -24.4% |
| 2006-11-22 02:05 | 2006-11-21 | ARSCOTT DAVID G | Director | OPT+S | $55.26 | 54,000 | $2,984,110 | 38,735 | 0.0% |
| 2006-11-18 02:16 | 2006-11-15 | HARRIS JACK RAYMOND | Director | OPT+S | $54.50 | 36,000 | $1,961,860 | 11,330 | 0.0% |
| 2006-10-19 02:33 | 2006-10-16 | HARRIS JACK RAYMOND | Director | OPT+S | $51.68 | 36,000 | $1,860,530 | 11,330 | 0.0% |
| 2006-05-24 02:42 | 2006-05-19 | ARSCOTT DAVID G | Director | SELL | $47.28 | 9,182 | $434,163 | 0 | -100.0% |
| 2006-05-09 01:16 | 2006-05-05 | BERDAHL ROBERT M | Director | OPT+S | $53.22 | 2,000 | $106,434 | 0 | 0.0% |
How to Interpret $LRCX Trades
Not every insider transaction in LAM RESEARCH CORP is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $LRCX shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for LRCX
Insider activity data for LAM RESEARCH CORP is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $LRCX, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.