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FORMFormfactor Inc

Mike Slessor

CEO, Director at Formfactor Inc, as of Oct 14, 2026Sold $16.2M of stock in the past 12 months: 100% under a disclosed plan.

Updated Oct 16, 2026 from SEC filings · covers Oct 17, 2025 to Oct 16, 2026
170K
shares sold, past 12 months
13
days with sales
$2.6M
largest single day, Jan 6, 2026
1
company filed for

Share of stake sold and shares held at Formfactor Inc are being verified and not shown yet. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planOne dollar scale for every month; the tallest bar is labeled
OctNov 2025: $421K under a disclosed planNovDec 2025: $432K under a disclosed planDecJan 2026: $3.6M under a disclosed plan$3.6MJanFeb 2026: $816K under a disclosed planFebMar 2026: $973K under a disclosed planMarApr 2026: $1.4M under a disclosed planAprMay 2026: $1.2M under a disclosed planMayJun 2026: $1.4M under a disclosed planJunJul 2026: $560K under a disclosed planJulAug 2026: $2.1M under a disclosed planAugSep 2026: $1.8M under a disclosed planSepOct 2026: $1.4M under a disclosed planOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Formfactor Inc (FORM)CEO, DirectorOct 25, 2013Oct 14, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.