FORMFACTOR INC (FORM) has 8 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 4 sales totalling $4.7M. Most recent filing: Sept. 17, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 17, 2026 filed Sept. 16, 2026 | SLESSOR MIKE CEO | −$1,833,817 | 17,510 | −4% | Yes | |
|
|
||||||
| Sept. 4, 2026 filed Sept. 3, 2026 | STEVEN-WAISS KELLEY Director | −$201,810 | 2,100 | −8% | No | |
|
|
||||||
| Aug. 17, 2026 filed Aug. 14, 2026 | SLESSOR MIKE CEO | −$2,095,532 | 16,002 | −3% | Yes | |
|
|
||||||
| Aug. 10, 2026 filed Aug. 6, 2026 | SLESSOR MIKE CEO | — | +65,504 | — | No | |
|
|
||||||
| Aug. 10, 2026 filed Aug. 6, 2026 | McKinnis Aric Brendan CFO, SVP Global Finance | $0 | 6,924 | 0% | No | |
|
|
||||||
Showing the 5 most recent of 8 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free