FORMFACTOR INC

By person

16 insiders · 231 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

—

$33.06M (111) scheduled

−$33.06M

484,204

0.6198%

$46.53M

+125.4%

St Dennis Thomas

Director

—

$13.14M (32) scheduled

−$13.14M

74,333

0.0952%

$7.14M

−65.5%

MAIER LOTHAR

Director

—

$5.49M (1)

−$5.49M

6,770

0.0087%

$650.60K

−87.2%

Shahar Shai

CFO, SVP Global Finance

—

$3.91M (15)

−$3.91M

55,968

0.0716%

$5.38M

—

STEVEN-WAISS KELLEY

Director

—

$2.56M (16)

−$2.56M

24,426

0.0313%

$2.35M

+125.5%

Rhodes Sheri

Director

—

$2.43M (5)

−$2.43M

5,375

0.0069%

$516.54K

+11.2%

DeLateur Richard

Director

—

$2.32M (7) scheduled

−$2.32M

25,000

0.0320%

$2.40M

+13.6%

ROGAS EDWARD JR

Director

—

$2.21M (7)

−$2.21M

61,098

0.0782%

$5.87M

−31.4%

LUDWIG MICHAEL M

SR VP, CFO

—

$1.83M (9) scheduled

−$1.83M

240,387

0.3077%

$23.10M

+14.7%

Obregon-Jimenez Rebeca

Director

—

$1.79M (7)

−$1.79M

13,126

0.0168%

$1.26M

+30.2%

WHITE BRIAN C

Director

—

$1.33M (4)

−$1.33M

8,653

0.0111%

$831.55K

+91.4%

Titinger Jorge

Director

—

$977.93K (3)

−$977.93K

14,836

0.0190%

$1.43M

+207.0%

ZELLNER MICHAEL W

Director

—

$720.62K (4)

−$720.62K

41,875

0.0536%

$4.02M

−12.8%

LINK RAYMOND A

Director

$17.90K (1)

$481.76K (6)

−$463.86K

66,225

0.0848%

$6.36M

+94.2%

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

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

SLESSOR MIKE

1 Aug 2024

CEO

Sold after exercise

1,094

$53.80

$58.86K

SLESSOR MIKE

1 Aug 2024

CEO

Sold after exercise

$52.62

$420.96

SLESSOR MIKE

1 Aug 2024

CEO

Sold after exercise

471

$51.29

$24.16K

SLESSOR MIKE

1 Aug 2024

CEO

Sold after exercise

1,389

$50.28

$69.84K

SLESSOR MIKE

1 Aug 2024

CEO

Sold after exercise

1,038

$48.60

$50.44K

Shahar Shai

7 May 2024

CFO, SVP Global Finance

Sold after exercise

6,094

$55.76

$339.77K

SLESSOR MIKE

12 May 2021

CEO

Sold after exercise

200

$35.68

$7.14K

SLESSOR MIKE

12 May 2021

CEO

Sold after exercise

5,712

$34.83

$198.96K

SLESSOR MIKE

12 May 2021

CEO

Sold after exercise

19,088

$33.92

$647.48K

SLESSOR MIKE

11 May 2021

CEO

Sold after exercise

19,564

$35.95

$703.25K

SLESSOR MIKE

11 May 2021

CEO

Sold after exercise

5,436

$35.39

$192.39K

SLESSOR MIKE

10 Feb 2021

CEO

Sold after exercise

25,000

$46.27

$1.16M

SLESSOR MIKE

9 Feb 2021

CEO

Sold after exercise

3,302

$46.08

$152.16K

SLESSOR MIKE

9 Feb 2021

CEO

Sold after exercise

21,698

$46.08

$999.87K

SLESSOR MIKE

5 Nov 2020

CEO

Sold after exercise

25,000

$33.30

$832.61K

SLESSOR MIKE

4 Nov 2020

CEO

Sold after exercise

25,000

$31.77

$794.33K

SLESSOR MIKE

8 Sep 2020

CEO

Sold after exercise

25,000

$23.10

$577.55K

SLESSOR MIKE

4 Sep 2020

CEO

Sold after exercise

25,000

$24.44

$611.11K

SLESSOR MIKE

3 Sep 2020

CEO

Sold after exercise

25,000

$25.70

$642.48K

SLESSOR MIKE

2 Sep 2020

CEO

Sold after exercise

25,000

$27.02

$675.57K

SLESSOR MIKE

12 May 2020

CEO

Sold after exercise

25,000

$24.60

$614.93K

SLESSOR MIKE

11 May 2020

CEO

Sold after exercise

25,000

$24.41

$610.31K

SLESSOR MIKE

10 Feb 2020

CEO

Sold after exercise

25,000

$26.38

$659.50K

SLESSOR MIKE

10 Feb 2020

CEO

Sold after exercise

25,000

$25.44

$636.05K

SLESSOR MIKE

12 Nov 2019

CEO

Sold after exercise

25,000

$22.62

$565.52K

SLESSOR MIKE

11 Nov 2019

CEO

Sold after exercise

25,000

$22.38

$559.41K

SLESSOR MIKE

5 Sep 2019

CEO

Sold after exercise

14,835

$18.03

$267.50K

SLESSOR MIKE

4 Sep 2019

CEO

Sold after exercise

25,000

$17.52

$437.95K

SLESSOR MIKE

3 Sep 2019

CEO

Sold after exercise

14,835

$17.03

$252.65K

SLESSOR MIKE

3 Sep 2019

CEO

Sold after exercise

10,165

$17.03

$173.15K

LINK RAYMOND A

27 Jun 2019

Director

Sold after exercise

5,000

$15.39

$76.95K

St Dennis Thomas

6 Mar 2018

Director

Sold after exercise

20,867

$13.58

$283.29K

LUDWIG MICHAEL M

22 Feb 2018

SR VP, CFO

Sold after exercise

17,500

$13.00

$227.50K

LUDWIG MICHAEL M

21 Feb 2018

SR VP, CFO

Sold after exercise

25,000

$13.05

$326.34K

LUDWIG MICHAEL M

20 Feb 2018

SR VP, CFO

Sold after exercise

2,500

$13.38

$33.44K

LUDWIG MICHAEL M

15 Feb 2018

SR VP, CFO

Sold after exercise

30,000

$12.73

$381.87K

DeLateur Richard

7 Nov 2017

Director

Sold after exercise

9,000

$17.67

$159.06K

DeLateur Richard

7 Nov 2017

Director

Sold after exercise

6,000

$17.72

$106.31K

ZELLNER MICHAEL W

1 Sep 2017

Director

Sold after exercise

3,725

$15.26

$56.84K

LUDWIG MICHAEL M

23 Aug 2017

SR VP, CFO

Sold after exercise

10,000

$14.07

$140.70K

LUDWIG MICHAEL M

22 Aug 2017

SR VP, CFO

Sold after exercise

20,000

$14.34

$286.70K

LUDWIG MICHAEL M

21 Aug 2017

SR VP, CFO

Sold after exercise

10,000

$13.96

$139.61K

St Dennis Thomas

14 Jun 2017

Director

Sold after exercise

400

$13.93

$5.57K

St Dennis Thomas

5 Jun 2017

Director

Sold after exercise

128,733

$14.58

$1.88M

DeLateur Richard

16 May 2017

Director

Sold after exercise

45,262

$14.08

$637.17K

ROGAS EDWARD JR

15 May 2017

Director

Sold after exercise

6,000

$13.90

$83.42K

St Dennis Thomas

11 May 2017

Director

Sold after exercise

13,962

$13.55

$189.20K

St Dennis Thomas

9 May 2017

Director

Sold after exercise

62,088

$13.77

$854.85K

DeLateur Richard

8 May 2017

Director

Sold after exercise

80,000

$13.80

$1.10M

St Dennis Thomas

24 Feb 2017

Director

Sold after exercise

2,700

$11.23

$30.31K

St Dennis Thomas

22 Feb 2017

Director

Sold after exercise

17,597

$11.75

$206.76K

St Dennis Thomas

21 Feb 2017

Director

Sold after exercise

7,368

$11.95

$88.05K

St Dennis Thomas

17 Feb 2017

Director

Sold after exercise

77,965

$11.85

$923.89K

St Dennis Thomas

17 Feb 2017

Director

Sold after exercise

6,249

$11.90

$74.36K

St Dennis Thomas

16 Feb 2017

Director

Sold after exercise

100,000

$11.79

$1.18M

St Dennis Thomas

16 Feb 2017

Director

Sold after exercise

5,100

$11.98

$61.07K

St Dennis Thomas

15 Feb 2017

Director

Sold after exercise

58,170

$12.13

$705.68K

St Dennis Thomas

14 Feb 2017

Director

Sold after exercise

80,397

$12.01

$965.22K

St Dennis Thomas

13 Feb 2017

Director

Sold after exercise

18,404

$12.15

$223.65K

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