Mike Slessor

CEO · FormFactor

Mike Slessor (CEO) filed 13 Form 4 reports in the trailing twelve months (0 purchases, 13 sales), most often in FormFactor, Inc. (FORM). The largest single filing was $2.6M of FORM (39,606 sh × $65.00, as filed), executed Jan 6. Data as of Nov 7 2026.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 13 sells

Median delay

–

measured on stock purchases

Volume, ttmiDollar value disclosed in the trailing twelve months

$14.7M

shares × price, as filed

Last traded

Oct 14

Filed Oct 14

Median ADV $204.8M across their filed names

Open performance→

Volume by month

Buys $0 Sells $16.2M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Technology 13 filings

Sector per market data · by filing · past 12 months

Most traded names

FORM

FormFactor, Inc. FORM · 0 buys · 21 sells 21 filings

Recent filings

FORMSALE FormFactor, Inc. View filing → $1.4M
11,098 sh across 3 lots
Exec Oct 14
Filed Oct 14 · 8:06 PM ET FORMSALE FormFactor, Inc. View filing → $1.8M
17,510 sh across 3 lots
Exec Sep 16
Filed Sep 17 · 7:30 PM ET FORMSALE FormFactor, Inc. View filing → $2.0M
15,316 sh across 5 lots
Exec Aug 14
Filed Aug 17 · 6:16 PM ET FORMSALE FormFactor, Inc. View filing → $420K
3,559 sh across 3 lots
Exec Jul 15
Filed Jul 16 · 5:30 PM ET FORMSALE FormFactor, Inc. View filing → $1.3M
10,723 sh across 5 lots
Exec Jun 10
Filed Jun 11 · 5:30 PM ET FORMSALE FormFactor, Inc. View filing → $707K
5,672 sh across 3 lots
Exec May 13
Filed May 14 · 5:30 PM ET FORMSALE FormFactor, Inc. View filing → $1.3M
10,527 sh across 4 lots
Exec Apr 15
Filed Apr 15 · 5:30 PM ET FORMSALE FormFactor, Inc. View filing → $973K
10,227 sh across 3 lots
Exec Mar 18
Filed Mar 18 · 5:30 PM ET More filings →