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SLESSOR MIKE
CEO at FORMFACTOR. Filing since 7 Nov 2013.
CIK 0001590177
Company
Date
Role
Action
Shares
Amount
Of holding
FORM
FORMFACTOR INC
16 Sep 2026
CEO
Sold on a plan
17,510
$1.83M
3.6%
FORM
FORMFACTOR INC
14 Aug 2026
CEO
Sold on a plan
16,002
$2.10M
3.2%
FORM
FORMFACTOR INC
15 Jul 2026
CEO
Sold on a plan
4,735
$560.19K
1.1%
FORM
FORMFACTOR INC
10 Jun 2026
CEO
Sold on a plan
11,890
$1.44M
2.7%
FORM
FORMFACTOR INC
13 May 2026
CEO
Sold on a plan
9,438
$1.19M
2.1%
FORM
FORMFACTOR INC
15 Apr 2026
CEO
Sold on a plan
11,294
$1.44M
2.5%
FORM
FORMFACTOR INC
18 Mar 2026
CEO
Sold on a plan
10,227
$973.08K
2.2%
FORM
FORMFACTOR INC
18 Feb 2026
CEO
Sold on a plan
8,664
$815.60K
1.8%
FORM
FORMFACTOR INC
15 Jan 2026
CEO
Sold on a plan
13,088
$1.01M
2.7%
FORM
FORMFACTOR INC
6 Jan 2026
CEO
Sold on a plan
39,606
$2.57M
7.5%
FORM
FORMFACTOR INC
17 Dec 2025
CEO
Sold on a plan
7,669
$432.22K
1.4%
FORM
FORMFACTOR INC
19 Nov 2025
CEO
Sold on a plan
8,403
$420.69K
1.6%
FORM
FORMFACTOR INC
1 Jul 2025
CEO
Sold on a plan
4,000
$136.12K
0.8%
FORM
FORMFACTOR INC
2 Jun 2025
CEO
Sold on a plan
4,000
$119.32K
0.8%
FORM
FORMFACTOR INC
1 May 2025
CEO
Sold on a plan
4,000
$126.88K
0.8%
FORM
FORMFACTOR INC
1 Apr 2025
CEO
Sold on a plan
4,000
$112.98K
0.8%
FORM
FORMFACTOR INC
3 Mar 2025
CEO
Sold on a plan
4,000
$132.20K
0.8%
FORM
FORMFACTOR INC
3 Feb 2025
CEO
Sold on a plan
4,000
$155.94K
0.8%
FORM
FORMFACTOR INC
2 Jan 2025
CEO
Sold on a plan
4,000
$177.77K
0.8%
FORM
FORMFACTOR INC
2 Dec 2024
CEO
Sold on a plan
4,000
$162.34K
0.8%
FORM
FORMFACTOR INC
1 Nov 2024
CEO
Sold on a plan
4,000
$155.25K
0.8%
FORM
FORMFACTOR INC
1 Oct 2024
CEO
Sold on a plan
4,000
$181.13K
0.7%
FORM
FORMFACTOR INC
3 Sep 2024
CEO
Sold on a plan
4,000
$185.24K
0.7%
FORM
FORMFACTOR INC
1 Aug 2024
CEO
Sold on a plan
4,000
$203.73K
0.8%
FORM
FORMFACTOR INC
1 Jul 2024
CEO
Sold on a plan
4,000
$236.00K
0.8%
FORM
FORMFACTOR INC
3 Jun 2024
CEO
Sold on a plan
4,000
$217.50K
0.8%
FORM
FORMFACTOR INC
1 May 2024
CEO
Sold on a plan
4,000
$174.98K
0.8%
FORM
FORMFACTOR INC
1 Apr 2024
CEO
Sold on a plan
4,000
$183.75K
0.8%
FORM
FORMFACTOR INC
1 Mar 2024
CEO
Sold on a plan
4,000
$173.52K
0.8%
FORM
FORMFACTOR INC
13 Feb 2023
CEO
Sold, plan not stated
10,000
$319.67K
2.1%
FORM
FORMFACTOR INC
5 Nov 2021
CEO
Sold, plan not stated
25,000
$1.12M
6.0%
FORM
FORMFACTOR INC
26 May 2021
CEO
Sold, plan not stated
15,010
$520.51K
4.3%
FORM
FORMFACTOR INC
12 May 2021
CEO
Sold, plan not stated
25,000
$853.58K
6.7%
FORM
FORMFACTOR INC
11 May 2021
CEO
Sold, plan not stated
25,000
$895.64K
6.7%
FORM
FORMFACTOR INC
24 Feb 2021
CEO
Sold, plan not stated
15,000
$704.25K
4.1%
FORM
FORMFACTOR INC
10 Feb 2021
CEO
Sold, plan not stated
25,000
$1.16M
6.5%
FORM
FORMFACTOR INC
9 Feb 2021
CEO
Sold, plan not stated
25,000
$1.15M
6.5%
FORM
FORMFACTOR INC
19 Nov 2020
CEO
Sold, plan not stated
14,112
$546.71K
3.7%
FORM
FORMFACTOR INC
5 Nov 2020
CEO
Sold, plan not stated
25,000
$832.61K
6.2%
FORM
FORMFACTOR INC
4 Nov 2020
CEO
Sold, plan not stated
25,000
$794.33K
6.2%
FORM
FORMFACTOR INC
8 Sep 2020
CEO
Sold, plan not stated
25,000
$577.55K
6.2%
FORM
FORMFACTOR INC
4 Sep 2020
CEO
Sold, plan not stated
25,000
$611.11K
6.2%
FORM
FORMFACTOR INC
3 Sep 2020
CEO
Sold, plan not stated
25,000
$642.48K
6.2%
FORM
FORMFACTOR INC
2 Sep 2020
CEO
Sold, plan not stated
25,000
$675.57K
6.2%
FORM
FORMFACTOR INC
2 Jun 2020
CEO
Sold, plan not stated
16,000
$401.95K
5.0%
FORM
FORMFACTOR INC
12 May 2020
CEO
Sold, plan not stated
25,000
$614.93K
7.2%
FORM
FORMFACTOR INC
11 May 2020
CEO
Sold, plan not stated
25,000
$610.31K
7.2%
FORM
FORMFACTOR INC
2 Mar 2020
CEO
Sold, plan not stated
15,856
$351.39K
4.7%
FORM
FORMFACTOR INC
10 Feb 2020
CEO
Sold, plan not stated
50,000
$1.30M
12.9%
FORM
FORMFACTOR INC
2 Dec 2019
CEO
Sold, plan not stated
14,976
$341.70K
4.3%
FORM
FORMFACTOR INC
12 Nov 2019
CEO
Sold, plan not stated
25,000
$565.52K
6.6%
FORM
FORMFACTOR INC
11 Nov 2019
CEO
Sold, plan not stated
25,000
$559.41K
6.6%
FORM
FORMFACTOR INC
5 Sep 2019
CEO
Sold, plan not stated
14,835
$267.50K
4.0%
FORM
FORMFACTOR INC
4 Sep 2019
CEO
Sold, plan not stated
25,000
$437.95K
6.6%
FORM
FORMFACTOR INC
3 Sep 2019
CEO
Sold, plan not stated
25,000
$425.81K
6.6%
FORM
FORMFACTOR INC
31 May 2016
CEO
Sold, plan not stated
3,401
$24.92K
1.2%
FORM
FORMFACTOR INC
9 May 2016
CEO
Sold, plan not stated
5,690
$38.69K
2.1%
FORM
FORMFACTOR INC
6 May 2016
CEO
Sold, plan not stated
7,007
$47.93K
2.6%
FORM
FORMFACTOR INC
3 May 2016
CEO
Sold, plan not stated
32,857
$234.54K
11.6%
FORM
FORMFACTOR INC
6 Nov 2015
CEO
Sold, plan not stated
10,883
$92.77K
5.2%
FORM
FORMFACTOR INC
7 May 2015
CEO
Sold, plan not stated
6,674
$55.28K
3.4%
FORM
FORMFACTOR INC
6 May 2015
CEO
Sold, plan not stated
7,002
$57.77K
3.7%
FORM
FORMFACTOR INC
5 May 2015
CEO
Sold, plan not stated
29,165
$245.65K
14.7%
FORM
FORMFACTOR INC
7 Nov 2014
PRESIDENT
Sold, plan not stated
7,515
$65.43K
5.7%
FORM
FORMFACTOR INC
7 May 2014
PRESIDENT
Sold, plan not stated
5,852
$33.79K
5.0%
FORM
FORMFACTOR INC
7 Nov 2013
President
Sold, plan not stated
7,677
$39.09K
7.0%
66 decisions on file.
