WallStreetZenWallStreetZen

NASDAQ: FORM
Formfactor Inc Stock Ownership - Who owns Formfactor?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Formfactor Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mike SlessorCEO2026-01-156,112$77.24
$472.09kSell
Mike SlessorCEO2026-01-156,976$76.43
$533.18kSell
Mike SlessorCEO2026-01-0639,606$65.00
$2.57MSell
Mike SlessorCEO2025-12-172,063$56.82
$117.22kSell
Mike SlessorCEO2025-12-175,606$56.19
$315.00kSell
Kelley StevenwaissDirector2025-12-022,700$55.97
$151.11kSell
Aric Brendan McKinnisCFO SVP Global Finance2025-12-02193$56.04
$10.82kSell
Mike SlessorCEO2025-11-193,664$50.60
$185.40kSell
Mike SlessorCEO2025-11-194,739$49.65
$235.29kSell
Dennis Thomas StDirector2025-11-172,000$49.85
$99.69kSell

1 of 5

FORM insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when FORM insiders and whales buy or sell their stock.

FORM Shareholders

What type of owners hold Formfactor Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc14.50%11,236,145$792.04MInstitution
Vanguard Group Inc13.29%10,299,864$726.04MInstitution
Earnest Partners LLC7.67%5,947,088$419.21MInstitution
State Street Corp3.76%2,917,594$205.66MInstitution
Igor Y. Khandros3.59%2,779,420$195.92MInsider
Bank Of America Corp3.27%2,533,340$178.58MInstitution
Reinhart Partners LLC3.10%2,404,854$169.52MInstitution
Alliancebernstein LP3.09%2,397,161$168.98MInstitution
Primecap Management Co3.00%2,324,614$163.86MInstitution
Dimensional Fund Advisors LP2.80%2,170,967$153.03MInstitution

1 of 3

FORM vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
FORM94.45%5.55%Net SellingNet Selling
SLAB81.92%18.08%Net SellingNet Selling
CRUS94.09%3.14%Net SellingNet Selling
ALGM61.75%38.25%Net SellingNet Selling
SIMO20.35%0.00%
View Top Semiconductor Stocks

Formfactor Stock Ownership FAQ

Who owns Formfactor?

Formfactor (NASDAQ: FORM) is owned by 96.71% institutional shareholders, 5.68% Formfactor insiders, and 0.00% retail investors. Igor Y. Khandros is the largest individual Formfactor shareholder, owning 2.78M shares representing 3.59% of the company. Igor Y. Khandros's Formfactor shares are currently valued at $195.92M.

If you're new to stock investing, here's how to buy Formfactor stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.