CEO Mike Slessor sells 9,438 shares ($1.2M) via pre-arranged 10b5-1 plan; holdings remain substantial at 447.0K shares.
Mike Slessor, CEO of FormFactor Inc, executed a multi-tranche sale of 9,438 shares on 2026-05-13, raising $1,194,063.98 at prices ranging from $122.84 to $136.15, with a blended average of $126.52. This transaction is part of a pre-arranged 10b5-1 trading plan adopted on 2025-08-19, indicating the sale was scheduled and non-discretionary rather than a discretionary response to current market conditions. Slessor retains 447,037 shares post-transaction, maintaining a substantial ownership stake. Historically, his prior five sales at FormFactor have shown poor timing, with a 0% well-timed rate at the 90-day mark and all prior trades showing positive subsequent returns (indicating he sold before rallies). His cross-ticker track record similarly shows weak timing with a 0.00% well-timed rate, though the stock is currently -19.6% from its 52-week high of $159.09 and trading at $127.99.