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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•66 filings

FORM

FORMFACTOR INC

Net sales of $5.5M over the last 3 months

2 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

−$5,520,597

0 buyers · 2 sellers

12-month purchases

$0.00

0 distinct insiders

12-month sales

$23,439,434

9 distinct insiders

Highlighted alerts

21

56 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

100
Raw transactions
Everything returned by the filing
77
Voluntary view
P/S trades after deterministic checks
46
Administrative noise
Stored, never alerted
46
10b5-1
Shown as informational
SEC ownership XML facts
Code
F
Shares
3,288
Price
$117.39
Footnotes
7

These Performance-based Restricted Stock Units were previously granted and became vested based on the achievement of certain performance criteria in the period 7/1/2023 - 6/30/2026. The Compensation Committee has determined that such performance criteria have been met. Represents the number of shares withheld upon vesting and settlement of the Performance-based Restricted Stock Units to cover tax withholding obligations. These shares of common stock reflect the settlement of restricted stock units of the Issuer. Each Restricted Stock Unit (RSU) is convertible into a share of common stock on a 1-for-1 basis. Represents the number of shares withheld upon vesting of Restricted Stock Units to cover tax withholding obligations. The Restricted Stock Units granted on August 6, 2026 vest in twelve (12) quarterly installments beginning on November 6, 2026 and end on August 6, 2029 and will be settled into shares of common stocks on or following the vesting date. If the reporting person's employment is terminated for any reason before an applicable vesting date, all Restricted Stock Units that have not yet vested shall be forfeited without consideration, except as provided in the change of control severance agreement and any other agreements regarding equity vesting and exercisability between the reporting person and Issuer, which agreements or form agreements are filed with the SEC. The Restricted Stock Units granted on August 7, 2023 vest in twelve (12) quarterly installments beginning on November 7, 2023 and ending on August 7, 2026 and will be settled into shares of common stock on or following the vesting dates.

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

77 transactions

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,200
Price
$125.92
Value
$151,104
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
7,703
Price
$125.36
Value
$965,648
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,195
Price
$124.23
Value
$272,685
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,000
Price
$105.80
Value
$105,800
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
7,773
Price
$105.12
Value
$817,098
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
8,737
Price
$104.26
Value
$910,920
Open SEC filing

STEVEN-WAISS KELLEY

Director

SaleAlert
Shares
2,100
Price
$96.10
Value
$201,810
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
686
Price
$133.33
Value
$91,464
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
5,535
Price
$132.50
Value
$733,388
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,125
Price
$131.65
Value
$148,106
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
3,282
Price
$130.54
Value
$428,432
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,892
Price
$129.55
Value
$374,659
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,482
Price
$128.72
Value
$319,483
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
868
Price
$121.30
Value
$105,288
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
300
Price
$120.58
Value
$36,174
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
170
Price
$119.08
Value
$20,244
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
706
Price
$118.21
Value
$83,456
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,650
Price
$117.39
Value
$193,694
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,041
Price
$116.56
Value
$121,339
Open SEC filing

St Dennis Thomas

Director

SaleAlert
Shares
2,800
Price
$151.49
Value
$424,172
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,629
Price
$123.37
Value
$200,970
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,500
Price
$122.63
Value
$306,575
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
4,220
Price
$121.72
Value
$513,658
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
975
Price
$121.00
Value
$117,975
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
400
Price
$119.46
Value
$47,784
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
767
Price
$119.00
Value
$91,273
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,399
Price
$117.70
Value
$164,662
Open SEC filing

Rhodes Sheri

Director

SaleAlert
Shares
6,328
Price
$125.40
Value
$793,531
Open SEC filing

Obregon-Jimenez Rebeca

Director

SaleAlert
Shares
3,828
Price
$126.48
Value
$484,146
Open SEC filing

WHITE BRIAN C

Director

SaleAlert
Shares
3,250
Price
$126.00
Value
$409,500
Open SEC filing

St Dennis Thomas

Director

SaleAlert
Shares
1,000
Price
$115.84
Value
$115,840
Open SEC filing

STEVEN-WAISS KELLEY

Director

SaleAlert
Shares
5,400
Price
$125.60
Value
$678,241
Open SEC filing

Titinger Jorge

Director

SaleAlert
Shares
4,009
Price
$128.79
Value
$516,299
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
200
Price
$132.63
Value
$26,526
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
200
Price
$130.57
Value
$26,114
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
700
Price
$129.33
Value
$90,531
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
700
Price
$128.52
Value
$89,964
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
100
Price
$127.47
Value
$12,747
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
398
Price
$126.59
Value
$50,383
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,388
Price
$125.58
Value
$174,305
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,984
Price
$124.71
Value
$372,135
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
702
Price
$136.15
Value
$95,577
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
66
Price
$135.73
Value
$8,958
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,300
Price
$123.72
Value
$160,836
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
700
Price
$122.84
Value
$85,988
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
767
Price
$129.22
Value
$99,112
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
5,432
Price
$128.56
Value
$698,338
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,369
Price
$127.65
Value
$302,403
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
900
Price
$126.58
Value
$113,922
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,826
Price
$125.24
Value
$228,688
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,832
Price
$95.73
Value
$271,107
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
5,495
Price
$95.21
Value
$523,179
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
1,900
Price
$94.10
Value
$178,790
Open SEC filing

McKinnis Aric Brendan

CFO, SVP Global Finance

Sale 10b5-1
Shares
3,462
Price
$90.42
Value
$313,034
Open SEC filing

WHITE BRIAN C

Director

SaleAlert
Shares
2,300
Price
$100.01
Value
$230,023
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,896
Price
$94.79
Value
$274,512
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
4,934
Price
$93.97
Value
$463,648
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
834
Price
$92.85
Value
$77,437
Open SEC filing

BREWER KEVIN J

Director

SaleAlert
Shares
3,000
Price
$96.20
Value
$288,600
Open SEC filing

St Dennis Thomas

Director

SaleAlert
Shares
1,830
Price
$94.24
Value
$172,460
Open SEC filing

St Dennis Thomas

Director

SaleAlert
Shares
5,601
Price
$93.71
Value
$524,894
Open SEC filing

Rhodes Sheri

Director

SaleAlert
Shares
7,634
Price
$92.61
Value
$706,973
Open SEC filing

STEVEN-WAISS KELLEY

Director

SaleAlert
Shares
2,200
Price
$93.70
Value
$206,139
Open SEC filing

Obregon-Jimenez Rebeca

Director

SaleAlert
Shares
2,770
Price
$95.82
Value
$265,422
Open SEC filing

WHITE BRIAN C

Director

SaleAlert
Shares
5,500
Price
$90.95
Value
$500,225
Open SEC filing

Titinger Jorge

Director

SaleAlert
Shares
2,000
Price
$88.84
Value
$177,680
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
6,112
Price
$77.24
Value
$472,091
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
6,976
Price
$76.43
Value
$533,176
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
39,606
Price
$65.00
Value
$2,574,390
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
2,063
Price
$56.82
Value
$117,220
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
5,606
Price
$56.19
Value
$315,001
Open SEC filing

STEVEN-WAISS KELLEY

Director

SaleAlert
Shares
2,700
Price
$55.97
Value
$151,106
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
3,664
Price
$50.60
Value
$185,398
Open SEC filing

SLESSOR MIKE

CEO

Sale 10b5-1
Shares
4,739
Price
$49.65
Value
$235,291
Open SEC filing

St Dennis Thomas

Director

SaleAlert
Shares
2,000
Price
$49.85
Value
$99,693
Open SEC filing

STEVEN-WAISS KELLEY

Director

SaleAlert
Shares
3,600
Price
$30.43
Value
$109,530
Open SEC filing

Obregon-Jimenez Rebeca

Director

SaleAlert
Shares
4,000
Price
$29.55
Value
$118,202
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.