FORMFACTOR INC

By person

10 insiders · 69 transactions

70.0×

Michael D. Slessor holds 70.0 times base salary in stock. $46.53M of shares against $664.62K in salary for 2025.

Salary from the company's own proxy. The shares are what Michael D. Slessor last reported holding, valued at $96.10, the price Common Stock was last bought or sold at on the open market here, on 3 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

SLESSOR MIKE

CEO

—

$12.96M (49) scheduled

−$12.96M

484,204

0.6198%

$46.53M

−9.4%

Rhodes Sheri

Director

—

$1.50M (2)

−$1.50M

5,375

0.0069%

$516.54K

−53.1%

St Dennis Thomas

Director

—

$1.34M (5)

−$1.34M

28,333

0.0363%

$2.72M

−30.1%

STEVEN-WAISS KELLEY

Director

—

$1.24M (4)

−$1.24M

24,426

0.0313%

$2.35M

−32.9%

WHITE BRIAN C

Director

—

$1.14M (3)

−$1.14M

8,653

0.0111%

$831.55K

−26.8%

Obregon-Jimenez Rebeca

Director

—

$749.57K (2)

−$749.57K

13,126

0.0168%

$1.26M

−17.2%

Titinger Jorge

Director

—

$693.98K (2)

−$693.98K

14,836

0.0190%

$1.43M

+14.4%

McKinnis Aric Brendan

CFO, SVP Global Finance

—

$313.03K (1)

−$313.03K

14,152

0.0181%

$1.36M

+24.7%

BREWER KEVIN J

Director

—

$288.60K (1)

−$288.60K

8,105

0.0104%

$778.89K

+77.1%

Shahar Shai

CFO, SVP Global Finance

—

55,968

0.0716%

$5.38M

+43.9%

Individual transactions

Insider

Date

Role

Action

Price

Amount

STEVEN-WAISS KELLEY

3 Sep 2026

Director

Sell

2,100

$96.10

$201.81K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

686

$133.33

$91.46K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

5,535

$132.50

$733.39K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

1,125

$131.65

$148.11K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

3,282

$130.54

$428.43K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

2,892

$129.55

$374.66K

SLESSOR MIKE

14 Aug 2026

CEO

Sold on a plan

2,482

$128.72

$319.48K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

868

$121.30

$105.29K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

300

$120.58

$36.17K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

170

$119.08

$20.24K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

706

$118.21

$83.46K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

1,650

$117.39

$193.69K

SLESSOR MIKE

15 Jul 2026

CEO

Sold on a plan

1,041

$116.56

$121.34K

St Dennis Thomas

15 Jun 2026

Director

Sell

2,800

$151.49

$424.17K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

1,629

$123.37

$200.97K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

2,500

$122.63

$306.58K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

4,220

$121.72

$513.66K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

975

$121.00

$117.98K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

400

$119.46

$47.78K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

767

$119.00

$91.27K

SLESSOR MIKE

10 Jun 2026

CEO

Sold on a plan

1,399

$117.70

$164.66K

Rhodes Sheri

2 Jun 2026

Director

Sell

6,328

$125.40

$793.53K

Obregon-Jimenez Rebeca

21 May 2026

Director

Sell

3,828

$126.48

$484.15K

WHITE BRIAN C

20 May 2026

Director

Sell

3,250

$126.00

$409.50K

St Dennis Thomas

19 May 2026

Director

Sell

1,000

$115.84

$115.84K

STEVEN-WAISS KELLEY

15 May 2026

Director

Sell

5,400

$125.60

$678.24K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

702

$136.15

$95.58K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

$135.73

$8.96K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

200

$132.63

$26.53K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

200

$130.57

$26.11K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

700

$129.33

$90.53K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

700

$128.52

$89.96K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

100

$127.47

$12.75K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

398

$126.59

$50.38K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

1,388

$125.58

$174.31K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

2,984

$124.71

$372.13K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

1,300

$123.72

$160.84K

SLESSOR MIKE

13 May 2026

CEO

Sold on a plan

700

$122.84

$85.99K

Titinger Jorge

13 May 2026

Director

Sell

4,009

$128.79

$516.30K

SLESSOR MIKE

15 Apr 2026

CEO

Sold on a plan

767

$129.22

$99.11K

SLESSOR MIKE

15 Apr 2026

CEO

Sold on a plan

5,432

$128.56

$698.34K

SLESSOR MIKE

15 Apr 2026

CEO

Sold on a plan

2,369

$127.65

$302.40K

SLESSOR MIKE

15 Apr 2026

CEO

Sold on a plan

900

$126.58

$113.92K

SLESSOR MIKE

15 Apr 2026

CEO

Sold on a plan

1,826

$125.24

$228.69K

SLESSOR MIKE

18 Mar 2026

CEO

Sold on a plan

2,832

$95.73

$271.11K

SLESSOR MIKE

18 Mar 2026

CEO

Sold on a plan

5,495

$95.21

$523.18K

SLESSOR MIKE

18 Mar 2026

CEO

Sold on a plan

1,900

$94.10

$178.79K

McKinnis Aric Brendan

5 Mar 2026

CFO, SVP Global Finance

Sell

3,462

$90.42

$313.03K

WHITE BRIAN C

24 Feb 2026

Director

Sell

2,300

$100.01

$230.02K

SLESSOR MIKE

18 Feb 2026

CEO

Sold on a plan

2,896

$94.79

$274.51K

SLESSOR MIKE

18 Feb 2026

CEO

Sold on a plan

4,934

$93.97

$463.65K

SLESSOR MIKE

18 Feb 2026

CEO

Sold on a plan

834

$92.85

$77.44K

BREWER KEVIN J

11 Feb 2026

Director

Sell

3,000

$96.20

$288.60K

STEVEN-WAISS KELLEY

10 Feb 2026

Director

Sell

2,200

$93.70

$206.14K

Rhodes Sheri

10 Feb 2026

Director

Sell

7,634

$92.61

$706.97K

St Dennis Thomas

10 Feb 2026

Director

Sell

1,830

$94.24

$172.46K

St Dennis Thomas

10 Feb 2026

Director

Sell

5,601

$93.71

$524.89K

Titinger Jorge

9 Feb 2026

Director

Sell

2,000

$88.84

$177.68K

WHITE BRIAN C

9 Feb 2026

Director

Sell

5,500

$90.95

$500.23K

Obregon-Jimenez Rebeca

9 Feb 2026

Director

Sell

2,770

$95.82

$265.42K

SLESSOR MIKE

15 Jan 2026

CEO

Sold on a plan

6,112

$77.24

$472.09K

SLESSOR MIKE

15 Jan 2026

CEO

Sold on a plan

6,976

$76.43

$533.18K

SLESSOR MIKE

6 Jan 2026

CEO

Sold on a plan

39,606

$65.00

$2.57M

SLESSOR MIKE

17 Dec 2025

CEO

Sold on a plan

2,063

$56.82

$117.22K

SLESSOR MIKE

17 Dec 2025

CEO

Sold on a plan

5,606

$56.19

$315.00K

STEVEN-WAISS KELLEY

2 Dec 2025

Director

Sell

2,700

$55.97

$151.11K

SLESSOR MIKE

19 Nov 2025

CEO

Sold on a plan

3,664

$50.60

$185.40K

SLESSOR MIKE

19 Nov 2025

CEO

Sold on a plan

4,739

$49.65

$235.29K

St Dennis Thomas

17 Nov 2025

Director

Sell

2,000

$49.85

$99.69K

By person

Individual transactions

What was left out