Stocks · Technology · Semiconductors & Related Devices

FORMFACTOR INC

FORM Clue Score39
United States Fiscal year ends December CIK 0001039399 Results filed 28 Oct 2026

What the insiders did Net selling

Insider
Date
Role
Action
Shares
Price
Amount
Mike Slessor
14 Oct 2026
CEO
Sold on a plan
1,200
$125.92
$151.10K
Mike Slessor
14 Oct 2026
CEO
Sold on a plan
7,703
$125.36
$965.65K
Mike Slessor
14 Oct 2026
CEO
Sold on a plan
2,195
$124.23
$272.68K
Mike Slessor
16 Sep 2026
CEO
Sold on a plan
1,000
$105.80
$105.80K
Mike Slessor
16 Sep 2026
CEO
Sold on a plan
7,773
$105.12
$817.10K
Mike Slessor
16 Sep 2026
CEO
Sold on a plan
8,737
$104.26
$910.92K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
686
$133.33
$91.46K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
5,535
$132.50
$733.39K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
1,125
$131.65
$148.11K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
3,282
$130.54
$428.43K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
2,892
$129.55
$374.66K
Mike Slessor
14 Aug 2026
CEO
Sold on a plan
2,482
$128.72
$319.48K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
868
$121.30
$105.29K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
300
$120.58
$36.17K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
170
$119.08
$20.24K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
706
$118.21
$83.46K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
1,650
$117.39
$193.69K
Mike Slessor
15 Jul 2026
CEO
Sold on a plan
1,041
$116.56
$121.34K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
1,629
$123.37
$200.97K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
2,500
$122.63
$306.58K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
4,220
$121.72
$513.66K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
975
$121.00
$117.98K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
400
$119.46
$47.78K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
767
$119.00
$91.27K
Mike Slessor
10 Jun 2026
CEO
Sold on a plan
1,399
$117.70
$164.66K
Mike Slessor
13 May 2026
CEO
Sold on a plan
702
$136.15
$95.58K
Mike Slessor
13 May 2026
CEO
Sold on a plan
66
$135.73
$8.96K
Mike Slessor
13 May 2026
CEO
Sold on a plan
200
$132.63
$26.53K
Mike Slessor
13 May 2026
CEO
Sold on a plan
200
$130.57
$26.11K
Mike Slessor
13 May 2026
CEO
Sold on a plan
700
$129.33
$90.53K
Mike Slessor
13 May 2026
CEO
Sold on a plan
700
$128.52
$89.96K
Mike Slessor
13 May 2026
CEO
Sold on a plan
100
$127.47
$12.75K
Mike Slessor
13 May 2026
CEO
Sold on a plan
398
$126.59
$50.38K
Mike Slessor
13 May 2026
CEO
Sold on a plan
1,388
$125.58
$174.31K
Mike Slessor
13 May 2026
CEO
Sold on a plan
2,984
$124.71
$372.13K
Mike Slessor
13 May 2026
CEO
Sold on a plan
1,300
$123.72
$160.84K
Mike Slessor
13 May 2026
CEO
Sold on a plan
700
$122.84
$85.99K
Mike Slessor
15 Apr 2026
CEO
Sold on a plan
767
$129.22
$99.11K
Mike Slessor
15 Apr 2026
CEO
Sold on a plan
5,432
$128.56
$698.34K
Mike Slessor
15 Apr 2026
CEO
Sold on a plan
2,369
$127.65
$302.40K
Mike Slessor
15 Apr 2026
CEO
Sold on a plan
900
$126.58
$113.92K
Mike Slessor
15 Apr 2026
CEO
Sold on a plan
1,826
$125.24
$228.69K
Mike Slessor
18 Mar 2026
CEO
Sold on a plan
2,832
$95.73
$271.11K
Mike Slessor
18 Mar 2026
CEO
Sold on a plan
5,495
$95.21
$523.18K
Mike Slessor
18 Mar 2026
CEO
Sold on a plan
1,900
$94.10
$178.79K
Mike Slessor
18 Feb 2026
CEO
Sold on a plan
2,896
$94.79
$274.51K
Mike Slessor
18 Feb 2026
CEO
Sold on a plan
4,934
$93.97
$463.65K
Mike Slessor
18 Feb 2026
CEO
Sold on a plan
834
$92.85
$77.44K
Mike Slessor
15 Jan 2026
CEO
Sold on a plan
6,112
$77.24
$472.09K
Mike Slessor
15 Jan 2026
CEO
Sold on a plan
6,976
$76.43
$533.18K
Mike Slessor
6 Jan 2026
CEO
Sold on a plan
39,606
$65.00
$2.57M
Mike Slessor
17 Dec 2025
CEO
Sold on a plan
2,063
$56.82
$117.22K
Mike Slessor
17 Dec 2025
CEO
Sold on a plan
5,606
$56.19
$315.00K
Mike Slessor
19 Nov 2025
CEO
Sold on a plan
3,664
$50.60
$185.40K
Mike Slessor
19 Nov 2025
CEO
Sold on a plan
4,739
$49.65
$235.29K

What was left out

Form 4 filings counted 54
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 55
Sales straight out of an exercise 0
Sales at will 20
Transactions with no price 0
Shares from compensation/vesting 329,993
History held since 5 Oct 2006