SLESSOR MIKE 4

What Happened

• Mike Slessor, CEO and Director of FormFactor (FORM), sold a total of 10,227 shares in three open-market transactions on March 18, 2026 for aggregate proceeds of approximately $973,076. The individual sales were: 1,900 shares at $94.10 ($178,790), 5,495 shares at $95.21 ($523,179), and 2,832 shares at $95.73 ($271,107). These were sales (not purchases) and thus are generally considered routine dispositions rather than a bullish insider purchase.

Key Details

• Transaction date: 2026-03-18 (all sales).
• Prices reported (weighted averages): $94.10, $95.21, $95.73.
• Price ranges noted in footnotes: $93.63–$94.48; $94.77–$95.60; $95.66–$95.87. The filer will provide per-price breakdown on request.
• Aggregate proceeds: ~$973,076.
• Sale executed pursuant to a Rule 10b5-1 trading plan adopted August 19, 2025 (automatic plan).
• Shares owned after the transactions: not specified in the information provided in this summary.
• Filing timeliness: report lists the transaction and report date as March 18, 2026; no late-filing indication provided.

Context

• The filing notes these sales were made under a pre-arranged 10b5-1 plan, meaning trades were automated under a plan established earlier and are typically treated as routine insider disposals rather than ad-hoc trades based on current information. This summary is factual and does not speculate on the insider’s motive.