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MADDOCK ERNEST E

Director at Ultra Clean · Director at Ouster · Director at Teradyne · and 2 more. Filing since 7 Dec 2010. CIK 0001227050

UCTT Ultra Clean Holdings, Inc. Director · 2 trades OUST Ouster, Inc. Director · 3 trades TER Teradyne Director · 1 trade MU Micron Technology SVP & Chief Financial Officer · 4 trades LRCX Lam Research Chief Financial Officer · 4 trades
Company
Date
Role
Action
Shares
Amount
Of holding
UCTT Ultra Clean Holdings, Inc.
7 Mar 2025
Director
Bought
10,000
$242.90K
×10
OUST Ouster, Inc.
16 Aug 2024
Director
Bought
8,000
$62.32K
13.1%
TER Teradyne
1 Feb 2024
Director
Bought
1,000
$94.07K
26.8%
OUST Ouster, Inc.
15 Nov 2023
Director
Bought
7,000
$37.01K
18.0%
OUST Ouster, Inc.
21 Aug 2023
Director
Bought
7,000
$42.14K
21.9%
UCTT Ultra Clean Holdings, Inc.
31 Jul 2018
Director
Bought
1,000
$13.40K
18.4%
MU Micron Technology
11 Aug 2017
SVP & Chief Financial Officer
Bought
3,400
$94.82K
1.8%
MU Micron Technology
21 Jan 2016
CFO & VP, Finance
Bought
10,000
$106.94K
8.8%
MU Micron Technology
24 Dec 2015
CFO & VP, Finance
Bought
10,000
$143.20K
9.7%
MU Micron Technology
9 Jul 2015
CFO & VP, Finance
Bought
5,000
$87.50K
14.7%
LRCX Lam Research
5 Feb 2013
Chief Financial Officer
Sold, plan not stated
12,030
$508.64K
100%
LRCX Lam Research
28 Jan 2013
Chief Financial Officer
Sold, plan not stated
12,450
$519.00K
100%
LRCX Lam Research
2 Mar 2011
Chief Financial Officer
Sold, plan not stated
25,000
$1.42M
39.5%
LRCX Lam Research
7 Dec 2010
Chief Financial Officer
Sold, plan not stated
3,050
$152.50K
6.7%
14 decisions on file.