FormFactor is trading 4.66% down in pre-market at $131.72 after a report disclosed CEO Mike Slessor sold approximately $2.1 million of shares on August 14.

  • The 16,002-share sale occurred under a pre-existing Rule 10b5-1 trading plan, with prices ranging from $128.72 to $133.33.
  • The disclosure follows FormFactor’s sharp recent rally and may be prompting profit-taking, although the transaction was not discretionary.
  • FormFactor closed at $138.16 on August 17, following a 4.98% gain; no newer earnings or major operating announcement was identified.