Formfactor Inc (FORM) insider trading
Every open-market stock purchase and sale by Formfactor Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Mike Slessor (CEO) and 1 other sold $5.5M in the last 90 days.
- Last insider buy: Raymond A Link (Director), $17.9K, 9 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $23.2M (32 sales). Last close $112.18 on Oct 21, 2026.
Recent FORM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 14, 2026 | Mike Slessor (CEO) | Sold | $966K |
| Oct 14, 2026 | Mike Slessor (CEO) | Sold | $273K |
| Oct 14, 2026 | Mike Slessor (CEO) | Sold | $151K |
| Sep 16, 2026 | Mike Slessor (CEO) | Sold | $911K |
| Sep 16, 2026 | Mike Slessor (CEO) | Sold | $817K |
| Sep 16, 2026 | Mike Slessor (CEO) | Sold | $106K |
| Sep 3, 2026 | Kelley Steven-Waiss (Director) | Sold | $202K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $733K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $428K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $375K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $319K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $148K |
| Aug 14, 2026 | Mike Slessor (CEO) | Sold | $91.5K |
| Aug 7, 2026 | Mike Slessor (CEO) | Sold (not open market) | $9.3M |
| Aug 7, 2026 | Mike Slessor (CEO) | Sold (not open market) | $386K |
| Aug 7, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 7, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 7, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 7, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 7, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 6, 2026 | Mike Slessor (CEO) | Sold (not open market) | $387K |
| Aug 6, 2026 | Aric Brendan McKinnis (CFO) | Sold (not open market) | $31.6K |
| Aug 6, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 6, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
| Aug 6, 2026 | Mike Slessor (CEO) | Bought (not open market) | — |
Who's trading FORM
- Mike Slessor, CEO: sold $16M (52 sales), last Oct 14, 2026
- Kelley Steven-Waiss, Director: sold $1.2M (4 sales), last Sep 3, 2026
- Aric Brendan McKinnis, CFO: sold $313K (1 sale), last Aug 6, 2026
- Thomas St Dennis, Director: sold $1.3M (5 sales), last Jun 16, 2026
- Sheri Rhodes, Director: sold $1.5M (2 sales), last Jun 2, 2026
- Rebeca Obregon-Jimenez, Director: sold $750K (2 sales), last May 21, 2026
- Brian C White, Director: sold $1.1M (3 sales), last May 20, 2026
- Jorge Titinger, Director: sold $694K (2 sales), last May 15, 2026
- Kevin J Brewer, Director: sold $289K (1 sale), last Feb 11, 2026
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