InsiderClue
Stocks · Technology · Semiconductors & Related Devices

FORMFACTOR INC

FORM Clue Score39
United States Fiscal year ends December CIK 0001039399 Results filed 28 Oct 2026
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What the insiders did Net selling

Individual transactions

75
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
Kelley Steven-Waiss
3 Sep 2026
Director
Sell
2,100
$96.10
$201.81K
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
Dennis Thomas St
15 Jun 2026
Director
Sell
2,800
$151.49
$424.17K
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
Sheri Rhodes
2 Jun 2026
Director
Sell
6,328
$125.40
$793.53K
Rebeca Obregon-Jimenez
21 May 2026
Director
Sell
3,828
$126.48
$484.15K
Brian C White
20 May 2026
Director
Sell
3,250
$126.00
$409.50K
Dennis Thomas St
19 May 2026
Director
Sell
1,000
$115.84
$115.84K
Kelley Steven-Waiss
15 May 2026
Director
Sell
5,400
$125.60
$678.24K
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
Jorge Titinger
13 May 2026
Director
Sell
4,009
$128.79
$516.30K
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
Aric Brendan McKinnis
5 Mar 2026
CFO, SVP Global Finance
Sell
3,462
$90.42
$313.03K
Brian C White
24 Feb 2026
Director
Sell
2,300
$100.01
$230.02K
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
Kevin J Brewer
11 Feb 2026
Director
Sell
3,000
$96.20
$288.60K
Kelley Steven-Waiss
10 Feb 2026
Director
Sell
2,200
$93.70
$206.14K
Sheri Rhodes
10 Feb 2026
Director
Sell
7,634
$92.61
$706.97K
Dennis Thomas St
10 Feb 2026
Director
Sell
1,830
$94.24
$172.46K
Dennis Thomas St
10 Feb 2026
Director
Sell
5,601
$93.71
$524.89K
Jorge Titinger
9 Feb 2026
Director
Sell
2,000
$88.84
$177.68K
Brian C White
9 Feb 2026
Director
Sell
5,500
$90.95
$500.23K
Rebeca Obregon-Jimenez
9 Feb 2026
Director
Sell
2,770
$95.82
$265.42K
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
Kelley Steven-Waiss
2 Dec 2025
Director
Sell
2,700
$55.97
$151.11K
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
Dennis Thomas St
17 Nov 2025
Director
Sell
2,000
$49.85
$99.69K

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