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FORMFACTOR INC

FORM Net selling
CIK 0001039399 #988 in the set updated 22 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$22.05M
$14.79M on a plan · $0.00 straight out of an exercise
Sold at will
$7.26M
20 of 72 sales
Net
−$22.05M
−$7.26M against sales at will

By person

10 insiders · 72 transactions
74.2×

Michael D. Slessor holds 74.2 times base salary in stock. $49.38M 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 $105.80, the price Common Stock was last bought or sold at on the open market here, on 16 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
SLESSOR MIKE
CEO
—
$14.79M (52) scheduled
−$14.79M
466,694
0.5974%
$49.38M
−12.6%
Rhodes Sheri
Director
—
$1.50M (2)
−$1.50M
5,375
0.0069%
$568.68K
−53.1%
St Dennis Thomas
Director
—
$1.34M (5)
−$1.34M
28,333
0.0363%
$3.00M
−30.1%
STEVEN-WAISS KELLEY
Director
—
$1.24M (4)
−$1.24M
24,426
0.0313%
$2.58M
−32.9%
WHITE BRIAN C
Director
—
$1.14M (3)
−$1.14M
8,653
0.0111%
$915.49K
−26.8%
Obregon-Jimenez Rebeca
Director
—
$749.57K (2)
−$749.57K
13,126
0.0168%
$1.39M
−17.2%
Titinger Jorge
Director
—
$693.98K (2)
−$693.98K
14,836
0.0190%
$1.57M
+14.4%
McKinnis Aric Brendan
CFO, SVP Global Finance
—
$313.03K (1)
−$313.03K
14,152
0.0181%
$1.50M
+24.7%
BREWER KEVIN J
Director
—
$288.60K (1)
−$288.60K
8,105
0.0104%
$857.51K
+77.1%
Shahar Shai
CFO, SVP Global Finance
—
—
—
55,968
0.0716%
$5.92M
+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 72 transactions →

What was left out

Form 4 filings counted 55
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 52
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