LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
FORMCIK 0001039399

FORMFACTOR INC

133 transactions by 9 insiders, from January 6, 2026 to October 14, 2026.

Transactions
1339 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$22.3Mopen market
Net
−$22.3Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Mike SlessorCEO8351/83—$15.3M
Aric Brendan McKinnisCFO26——$313K
Dennis Thomas StDir6——$1.2M
Brian C. WhiteDir4——$1.1M
Kelley Steven-WaissDir4——$1.1M
Rebeca Obregon-JimenezDir3——$750K
Jorge TitingerDir3——$694K
Sheri RhodesDir3——$1.5M
Kevin J. BrewerDir1——$289K

All transactions

133 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Mike SlessorCEOOct 14SPLAN1,200$125.92$151K
Mike SlessorCEOOct 14SPLAN7,703$125.36$966K
Mike SlessorCEOOct 14SPLAN2,195$124.23$273K
Mike SlessorCEOSep 16SPLAN1,000$105.80$106K
Mike SlessorCEOSep 16SPLAN7,773$105.12$817K
Mike SlessorCEOSep 16SPLAN8,737$104.26$911K
Kelley Steven-WaissDirSep 3S2,100$96.10$202K
Mike SlessorCEOAug 14SPLAN686$133.33$91K
Mike SlessorCEOAug 14SPLAN5,535$132.50$733K
Mike SlessorCEOAug 14SPLAN1,125$131.65$148K
Mike SlessorCEOAug 14SPLAN3,282$130.54$428K
Mike SlessorCEOAug 14SPLAN2,892$129.55$375K
Mike SlessorCEOAug 14SPLAN2,482$128.72$319K
Mike SlessorCEODERIVAug 7M5,908$0.00—?
Mike SlessorCEODERIVAug 7M141,792$0.00—?
Mike SlessorCEODERIVAug 7A141,792$0.00—?
Mike SlessorCEODERIVAug 6A27,696$0.00—?
Mike SlessorCEOAug 7F3,288$117.39$386K
Mike SlessorCEOAug 7M5,908$0.00—
Mike SlessorCEOAug 7F78,908$117.39$9.3M
Mike SlessorCEOAug 7M141,792$0.00—
Aric Brendan McKinnisCFODERIVAug 6A6,924$0.00—?
Mike SlessorCEODERIVAug 6M6,031$0.00—?
Mike SlessorCEODERIVAug 5M3,644$0.00—?
Mike SlessorCEOAug 6F3,357$115.21$387K
Mike SlessorCEOAug 6M6,031$0.00—
Mike SlessorCEOAug 5F2,028$114.44$232K
Mike SlessorCEOAug 5M3,644$0.00—
Aric Brendan McKinnisCFODERIVAug 6M1,099$0.00—?
Aric Brendan McKinnisCFODERIVAug 5M521$0.00—?
Aric Brendan McKinnisCFOAug 6F274$115.21$32K
Aric Brendan McKinnisCFOAug 6M1,099$0.00—
Aric Brendan McKinnisCFOAug 5F130$114.44$15K
Aric Brendan McKinnisCFOAug 5M521$0.00—
Mike SlessorCEOJul 15SPLAN868$121.30$105K
Mike SlessorCEOJul 15SPLAN300$120.58$36K
Mike SlessorCEOJul 15SPLAN170$119.08$20K
Mike SlessorCEOJul 15SPLAN706$118.21$83K
Mike SlessorCEOJul 15SPLAN1,650$117.39$194K
Mike SlessorCEOJul 15SPLAN1,041$116.56$121K
Dennis Thomas StDirJun 16G740$0.00—
Dennis Thomas StDirJun 15S2,800$151.49$424K
Mike SlessorCEOJun 10SPLAN1,629$123.37$201K
Mike SlessorCEOJun 10SPLAN2,500$122.63$307K
Mike SlessorCEOJun 10SPLAN4,220$121.72$514K
Mike SlessorCEOJun 10SPLAN975$121.00$118K
Mike SlessorCEOJun 10SPLAN400$119.46$48K
Mike SlessorCEOJun 10SPLAN767$119.00$91K
Mike SlessorCEOJun 10SPLAN1,399$117.70$165K
Aric Brendan McKinnisCFODERIVJun 2M773$0.00—?
Aric Brendan McKinnisCFOJun 2F193$125.11$24K
Aric Brendan McKinnisCFOJun 2M773$0.00—
Sheri RhodesDirJun 2S6,328$125.40$794K
Rebeca Obregon-JimenezDirMay 21S3,828$126.48$484K
Brian C. WhiteDirMay 20S3,250$126.00$410K
Dennis Thomas StDirMay 19S1,000$115.84$116K
Dennis Thomas StDirMay 15A1,347$0.00—
Rebeca Obregon-JimenezDirMay 15A1,347$0.00—
Sheri RhodesDirMay 15A1,347$0.00—
Kelley Steven-WaissDirMay 15A1,347$0.00—
Jorge TitingerDirMay 15A1,347$0.00—
Brian C. WhiteDirMay 15A1,347$0.00—
Jorge TitingerDirMay 13S4,009$128.79$516K
Kelley Steven-WaissDirMay 15S5,400$125.60$678K
Mike SlessorCEOMay 13SPLAN702$136.15$96K
Mike SlessorCEOMay 13SPLAN66$135.73$9K
Mike SlessorCEOMay 13SPLAN200$132.63$27K
Mike SlessorCEOMay 13SPLAN200$130.57$26K
Mike SlessorCEOMay 13SPLAN700$129.33$91K
Mike SlessorCEOMay 13SPLAN700$128.52$90K
Mike SlessorCEOMay 13SPLAN100$127.47$13K
Mike SlessorCEOMay 13SPLAN398$126.59$50K
Mike SlessorCEOMay 13SPLAN1,388$125.58$174K
Mike SlessorCEOMay 13SPLAN2,984$124.71$372K
Mike SlessorCEOMay 13SPLAN1,300$123.72$161K
Mike SlessorCEOMay 13SPLAN700$122.84$86K
Mike SlessorCEODERIVMay 7M5,908$0.00—?
Mike SlessorCEOMay 7F3,288$144.68$476K
Mike SlessorCEOMay 7M5,908$0.00—
Mike SlessorCEODERIVMay 6M6,031$0.00—?
Mike SlessorCEODERIVMay 5M3,644$0.00—?
Mike SlessorCEOMay 6F3,357$149.12$501K
Mike SlessorCEOMay 6M6,031$0.00—
Mike SlessorCEOMay 5F2,028$145.00$294K
Mike SlessorCEOMay 5M3,644$0.00—
Aric Brendan McKinnisCFODERIVMay 6M1,099$0.00—?
Aric Brendan McKinnisCFODERIVMay 5M521$0.00—?
Aric Brendan McKinnisCFOMay 6F274$149.12$41K
Aric Brendan McKinnisCFOMay 6M1,099$0.00—
Aric Brendan McKinnisCFOMay 5F130$145.00$19K
Aric Brendan McKinnisCFOMay 5M521$0.00—
Mike SlessorCEOApr 15SPLAN767$129.22$99K
Mike SlessorCEOApr 15SPLAN5,432$128.56$698K
Mike SlessorCEOApr 15SPLAN2,369$127.65$302K
Mike SlessorCEOApr 15SPLAN900$126.58$114K
Mike SlessorCEOApr 15SPLAN1,826$125.24$229K
Mike SlessorCEOMar 18SPLAN2,832$95.73$271K
Mike SlessorCEOMar 18SPLAN5,495$95.21$523K
Mike SlessorCEOMar 18SPLAN1,900$94.10$179K
Aric Brendan McKinnisCFOMar 5S3,462$90.42$313K
Aric Brendan McKinnisCFODERIVMar 2M773$0.00—?
Aric Brendan McKinnisCFOMar 2F193$99.70$19K
Aric Brendan McKinnisCFOMar 2M773$0.00—
Brian C. WhiteDirFeb 24S2,300$100.01$230K
Mike SlessorCEOFeb 18SPLAN2,896$94.79$275K
Mike SlessorCEOFeb 18SPLAN4,934$93.97$464K
Mike SlessorCEOFeb 18SPLAN834$92.85$77K
Kevin J. BrewerDirFeb 11S3,000$96.20$289K
Mike SlessorCEODERIVFeb 9M5,908$0.00—?
Mike SlessorCEOFeb 9F3,288$94.88$312K
Mike SlessorCEOFeb 9M5,908$0.00—
Dennis Thomas StDirFeb 10S1,830$94.24$172K
Dennis Thomas StDirFeb 10S5,601$93.71$525K
Sheri RhodesDirFeb 10S7,634$92.61$707K
Kelley Steven-WaissDirFeb 10S2,200$93.70$206K
Rebeca Obregon-JimenezDirFeb 9S2,770$95.82$265K
Brian C. WhiteDirFeb 9S5,500$90.95$500K
Jorge TitingerDirFeb 9S2,000$88.84$178K
Aric Brendan McKinnisCFODERIVFeb 6M1,099$0.00—?
Aric Brendan McKinnisCFODERIVFeb 5M521$0.00—?
Aric Brendan McKinnisCFOFeb 6F336$90.29$30K
Aric Brendan McKinnisCFOFeb 6M1,099$0.00—
Aric Brendan McKinnisCFOFeb 5F162$83.87$14K
Aric Brendan McKinnisCFOFeb 5M521$0.00—
Mike SlessorCEODERIVFeb 6M6,031$0.00—?
Mike SlessorCEODERIVFeb 5M3,644$0.00—?
Mike SlessorCEOFeb 6F3,357$90.29$303K
Mike SlessorCEOFeb 6M6,031$0.00—
Mike SlessorCEOFeb 5F2,095$83.87$176K
Mike SlessorCEOFeb 5M3,644$0.00—
Mike SlessorCEOJan 15SPLAN6,112$77.24$472K
Mike SlessorCEOJan 15SPLAN6,976$76.43$533K
Mike SlessorCEOJan 6SPLAN39,606$65.00$2.6M