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FORMFACTOR INC

FORM Net selling
CIK 0001039399 #988 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$20.22M
$12.96M on a plan · $0.00 straight out of an exercise
Sold at will
$7.26M
20 of 69 sales
Net
−$20.22M
−$7.26M against sales at will

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

20
Insider
Date
Role
Action
Shares
Price
Amount
STEVEN-WAISS KELLEY
3 Sep 2026
Director
Sell
2,100
$96.10
$201.81K
St Dennis Thomas
15 Jun 2026
Director
Sell
2,800
$151.49
$424.17K
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
Titinger Jorge
13 May 2026
Director
Sell
4,009
$128.79
$516.30K
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
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
STEVEN-WAISS KELLEY
2 Dec 2025
Director
Sell
2,700
$55.97
$151.11K
St Dennis Thomas
17 Nov 2025
Director
Sell
2,000
$49.85
$99.69K
Show all 69 transactions →

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 49
Sales straight out of an exercise 0
Sales at will 20
Transactions with no price 0
Shares from compensation/vesting 341,313
History held since 2 Nov 2016