Ernest E. Maddock serves as Executive at LAM RESEARCH CORP, where they oversee executive responsibilities. Since joining the company, Ernest E. Maddock has executed 76 insider transactions totaling $3.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 24, 2015 involved selling 26,425 shares valued at $0.
Ernest E. Maddock currently holds 9,595 shares of LAM RESEARCH CORP (LRCX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Ernest E. Maddock has been a net seller of LRCX stock. They have purchased $731.3K and sold $2.6M worth of shares.
Ernest E. Maddock's most recent insider trade was on Apr 24, 2015, when they sold 26,425 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Feb 2, 2015 | RVBD | $0 | Award | 90,257 | $N/A | Discretionary |
| Jan 1, 2015 | RVBD | $0 | Award | 26,425 | $N/A | Discretionary |
| May 15, 2014 | RVBD | $271.7K | Payment | 14,092 | $19.28 | Discretionary |
| May 6, 2013 | RVBD | $0 | Award | 75,000 | $N/A | Discretionary |
| Mar 4, 2013 | LRCX | $140.9K | Payment | 3,309 | $42.59 | Discretionary |
| Mar 4, 2013 | LRCX | $0 | Disposition | 522 | $N/A | Discretionary |
| Mar 4, 2013 | LRCX | $152.5K | Payment | 3,581 | $42.59 | Discretionary |
| Feb 5, 2013 | LRCX | $121.0K | Sale | 2,862 | $42.28 | Discretionary |
| Feb 5, 2013 | LRCX | $139.6K | Sale | 3,300 | $42.30 | Discretionary |
| Feb 5, 2013 | LRCX | $248.0K | Sale | 5,868 | $42.27 | Discretionary |
| Feb 5, 2013 | LRCX | $243.1K | Option Exercise | 12,030 | $20.21 | Discretionary |
| Jan 28, 2013 | LRCX | $166.1K | Sale | 3,986 | $41.68 | Discretionary |
| Jan 28, 2013 | LRCX | $352.9K | Sale | 8,464 | $41.69 | Discretionary |
| Jan 28, 2013 | LRCX | $251.6K | Option Exercise | 12,450 | $20.21 | Discretionary |
| Feb 7, 2012 | LRCX | $0 | Award | 18,441 | $N/A | Discretionary |
| Feb 6, 2012 | LRCX | $195.5K | Payment | 4,523 | $43.23 | Discretionary |
| Feb 5, 2012 | LRCX | $198.4K | Payment | 4,490 | $44.19 | Discretionary |
| Mar 4, 2011 | LRCX | $0 | Award | 13,728 | $N/A | Discretionary |
| Mar 2, 2011 | LRCX | $505.3K | Option Exercise | 25,000 | $20.21 | Discretionary |
| Mar 2, 2011 | LRCX | $1.4M | Sale | 25,000 | $56.65 | Discretionary |
| Feb 25, 2011 | LRCX | $411.4K | Payment | 7,432 | $55.35 | Discretionary |
| Dec 7, 2010 | LRCX | $152.5K | Sale | 3,050 | $50.00 | Discretionary |
| Feb 5, 2010 | LRCX | $0 | Award | 24,030 | $N/A | Discretionary |
| Feb 26, 2009 | LRCX | $0 | Award | 19,792 | $N/A | Discretionary |