MADDOCK ERNEST E

CIK: 0001227050Chief Financial Officer
OfficerDirector
Primary company: LAM RESEARCH CORP (LRCX)

MADDOCK ERNEST E is a corporate insider (Chief Financial Officer) at LAM RESEARCH CORP (LRCX) filing SEC Form 4 transactions. 171 transactions across 9 companies, totaling $974,214 in purchases and $5,622,037 in sales. Source: SEC EDGAR.

Total Transactions
171
Total Buy Value
$974K
Total Sell Value
$5.62M
Net Activity
$-4.65M
Last Transaction
Jun 2026
Companies
9

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
62
Price
-
Value
-
Type
Award
Shares
4,725
Price
-
Value
-
Type
J
Shares
2
Price
-
Value
-
Type
Award
Shares
2,575
Price
-
Value
-
Type
Award
Shares
668
Price
-
Value
-
Type
Award
Shares
94
Price
-
Value
-
Type
J
Shares
2
Price
-
Value
-
Type
J
Shares
2
Price
-
Value
-
Type
Award
Shares
87
Price
$48.62
Value
$4K
Type
J
Shares
3
Price
-
Value
-
Type
Award
Shares
80
Price
$51.60
Value
$4K
Type
Award
Shares
76
Price
$51.54
Value
$4K
Type
Award
Shares
1,500
Price
-
Value
-
Type
Award
Shares
13,558
Price
-
Value
-
Type
J
Shares
6
Price
-
Value
-
Type
Award
Shares
8,198
Price
-
Value
-
Type
Award
Shares
2,971
Price
-
Value
-
Type
Award
Shares
78
Price
-
Value
-
Type
J
Shares
3
Price
-
Value
-
Type
Purchase
Shares
10,000
Price
$24.29
Value
$243K