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Insiders · Profile

St Dennis Thomas

Director at FORMFACTOR · Director at AXCELIS TECHNOLOGIES · Director at VEECO INSTRUMENTS · and 1 more. Filing since 31 Aug 2007. CIK 0001339595

FORM FORMFACTOR INC Director · 48 trades ACLS AXCELIS TECHNOLOGIES INC Director · 8 trades VECO VEECO INSTRUMENTS INC Director · 4 trades AMAT Applied Materials Senior Vice President · 4 trades
Company
Date
Role
Action
Shares
Amount
Of holding
FORM FORMFACTOR INC
15 Jun 2026
Director
Sold at will
2,800
$424.17K
8.8%
ACLS AXCELIS TECHNOLOGIES INC
22 May 2026
Director
Sold at will
900
$139.83K
4.8%
FORM FORMFACTOR INC
19 May 2026
Director
Sold at will
1,000
$115.84K
3.0%
VECO VEECO INSTRUMENTS INC
11 May 2026
Director
Sold at will
1,400
$86.70K
2.2%
FORM FORMFACTOR INC
10 Feb 2026
Director
Sold at will
7,431
$697.35K
19.1%
FORM FORMFACTOR INC
17 Nov 2025
Director
Sold at will
2,000
$99.69K
4.9%
FORM FORMFACTOR INC
29 May 2025
Director
Sold at will
3,000
$93.72K
6.8%
FORM FORMFACTOR INC
5 Nov 2024
Director
Sold at will
3,100
$121.23K
7.6%
VECO VEECO INSTRUMENTS INC
13 May 2024
Director
Sold at will
4,000
$150.89K
7.2%
FORM FORMFACTOR INC
10 May 2024
Director
Sold at will
2,000
$112.60K
5.2%
VECO VEECO INSTRUMENTS INC
30 Nov 2023
Director
Sold at will
7,005
$199.78K
11.8%
FORM FORMFACTOR INC
14 Nov 2023
Director
Sold at will
3,792
$144.99K
8.9%
FORM FORMFACTOR INC
16 Feb 2023
Director
Sold, plan not stated
13,000
$419.97K
29.6%
ACLS AXCELIS TECHNOLOGIES INC
13 Feb 2023
Director
Sold, plan not stated
12,000
$1.52M
53.0%
ACLS AXCELIS TECHNOLOGIES INC
18 Nov 2022
Director
Sold, plan not stated
3,000
$229.98K
11.7%
VECO VEECO INSTRUMENTS INC
16 May 2022
Director
Bought
2,500
$54.00K
5.0%
ACLS AXCELIS TECHNOLOGIES INC
10 Feb 2022
Director
Sold, plan not stated
3,000
$218.43K
11.6%
FORM FORMFACTOR INC
8 Feb 2022
Director
Sold, plan not stated
6,000
$249.77K
13.0%
ACLS AXCELIS TECHNOLOGIES INC
30 Aug 2021
Director
Sold, plan not stated
3,500
$176.12K
11.9%
ACLS AXCELIS TECHNOLOGIES INC
11 May 2020
Director
Sold, plan not stated
6,000
$159.66K
23.9%
FORM FORMFACTOR INC
11 May 2020
Director
Sold, plan not stated
6,000
$148.69K
16.7%
FORM FORMFACTOR INC
10 Feb 2020
Director
Sold, plan not stated
10,000
$259.38K
21.7%
ACLS AXCELIS TECHNOLOGIES INC
10 Feb 2020
Director
Sold, plan not stated
8,500
$240.30K
25.3%
FORM FORMFACTOR INC
20 Nov 2019
Director
Sold, plan not stated
5,000
$113.41K
9.8%
FORM FORMFACTOR INC
20 Aug 2019
Director
Sold, plan not stated
3,000
$51.78K
5.6%
FORM FORMFACTOR INC
20 Feb 2019
Director
Sold, plan not stated
8,000
$127.90K
15.1%
ACLS AXCELIS TECHNOLOGIES INC
20 Feb 2019
Director
Sold, plan not stated
5,000
$112.15K
15.5%
FORM FORMFACTOR INC
6 Mar 2018
Director
Sold, plan not stated
20,867
$283.29K
33.9%
FORM FORMFACTOR INC
14 Jun 2017
Director
Sold, plan not stated
400
$5.57K
1.0%
FORM FORMFACTOR INC
5 Jun 2017
Director
Sold, plan not stated
128,733
$1.88M
76.0%
FORM FORMFACTOR INC
2 Jun 2017
Director
Sold, plan not stated
156,600
$2.29M
79.4%
FORM FORMFACTOR INC
11 May 2017
Director
Sold, plan not stated
13,962
$189.20K
7.0%
FORM FORMFACTOR INC
9 May 2017
Director
Sold, plan not stated
62,088
$854.85K
25.1%
FORM FORMFACTOR INC
24 Feb 2017
Director
Sold, plan not stated
2,700
$30.31K
1.6%
FORM FORMFACTOR INC
22 Feb 2017
Director
Sold, plan not stated
17,597
$206.76K
9.6%
FORM FORMFACTOR INC
21 Feb 2017
Director
Sold, plan not stated
7,368
$88.05K
4.3%
FORM FORMFACTOR INC
17 Feb 2017
Director
Sold, plan not stated
84,214
$998.26K
33.8%
FORM FORMFACTOR INC
16 Feb 2017
Director
Sold, plan not stated
105,100
$1.24M
38.9%
FORM FORMFACTOR INC
15 Feb 2017
Director
Sold, plan not stated
58,170
$705.68K
26.1%
FORM FORMFACTOR INC
14 Feb 2017
Director
Sold, plan not stated
80,397
$965.22K
32.8%
FORM FORMFACTOR INC
13 Feb 2017
Director
Sold, plan not stated
18,404
$223.65K
10.0%
FORM FORMFACTOR INC
5 Aug 2016
Director
Sold, plan not stated
23,120
$242.90K
12.3%
FORM FORMFACTOR INC
21 May 2015
EXECUTIVE CHAIRMAN
Sold, plan not stated
130,000
$1.16M
82.2%
FORM FORMFACTOR INC
7 May 2015
EXECUTIVE CHAIRMAN
Sold, plan not stated
10,606
$87.85K
6.3%
FORM FORMFACTOR INC
6 May 2015
EXECUTIVE CHAIRMAN
Sold, plan not stated
10,607
$87.52K
6.7%
FORM FORMFACTOR INC
5 May 2015
EXECUTIVE CHAIRMAN
Sold, plan not stated
92,782
$781.51K
40.0%
FORM FORMFACTOR INC
9 Mar 2015
CEO
Sold, plan not stated
27,500
$250.41K
34.5%
FORM FORMFACTOR INC
6 Mar 2015
CEO
Sold, plan not stated
2,500
$22.75K
3.0%
FORM FORMFACTOR INC
5 Mar 2015
CEO
Sold, plan not stated
60,000
$550.84K
42.2%
FORM FORMFACTOR INC
2 Mar 2015
CEO
Sold, plan not stated
13,548
$137.46K
8.7%
FORM FORMFACTOR INC
8 Aug 2014
CEO
Bought
5,000
$34.18K
5.5%
FORM FORMFACTOR INC
7 May 2014
CEO
Sold, plan not stated
9,904
$57.19K
9.9%
FORM FORMFACTOR INC
28 Feb 2014
CEO
Sold, plan not stated
13,528
$96.15K
15.2%
FORM FORMFACTOR INC
11 Feb 2014
CEO
Sold, plan not stated
6,990
$45.21K
11.6%
FORM FORMFACTOR INC
16 Sep 2013
CEO
Sold, plan not stated
5,689
$41.30K
11.5%
FORM FORMFACTOR INC
7 May 2013
CEO
Sold, plan not stated
1,868
$9.59K
5.2%
FORM FORMFACTOR INC
12 Feb 2013
CEO
Sold, plan not stated
7,500
$34.56K
19.4%
FORM FORMFACTOR INC
14 Sep 2012
CEO
Sold, plan not stated
5,560
$30.36K
20.2%
FORM FORMFACTOR INC
7 May 2012
CEO
Sold, plan not stated
1,888
$11.50K
13.1%
FORM FORMFACTOR INC
14 Sep 2011
CEO
Sold, plan not stated
5,552
$41.58K
37.0%
AMAT Applied Materials
30 Dec 2008
Senior Vice President
Sold, plan not stated
40,000
$401.60K
12.5%
AMAT Applied Materials
16 Dec 2008
Senior Vice President
Sold, plan not stated
34,000
$356.32K
8.7%
AMAT Applied Materials
8 Dec 2008
Senior Vice President
Sold, plan not stated
35,000
$347.90K
8.2%
AMAT Applied Materials
31 Aug 2007
Senior Vice President
Sold, plan not stated
20,000
$428.09K
5.9%
64 decisions on file.