Mike Slessor Insider Trades & Stock Holdings

CEO · FormFactor, Inc. · Latest filing Oct 14, 2026

Mike Slessor, CEO at FormFactor, Inc. has 1 Form 4 trade on file since Oct 14, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($1.39M), net -$1.39M. Latest filing: disposed of 11.10K shares of $FORM on Oct 14, 2026 at $125.20.

Trades on file

1

Open-market bought

$0

Open-market sold

$1.39M

Net open-market

-$1.39M

Latest filing

Oct 14, 2026

All insider trades by Mike Slessor

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 14, 2026	$FORM	Sell (Open-market sale) 10b5-1	11.10K	$125.20	$1.39M						CEO		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Mike Slessor traded

• $FORM

Frequently asked questions

Has Mike Slessor been buying or selling stock?

Mike Slessor has 0 open-market purchases and 1 open-market sale on file, net -$1.39M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Mike Slessor's latest insider trade?

disposed of 11.10K shares of $FORM on Oct 14, 2026 at $125.20.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.