# Formfactor Inc (FORM) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/form

> 28 non-derivative transactions: 0 purchases, 16 sales ($4.7M). CIK 1039399.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-16 | SLESSOR MIKE | Director, Officer | S | 1000.0 | 105.8 | 466694.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026062602/0001628280-26-062602-index.htm |
| 2026-09-16 | SLESSOR MIKE | Director, Officer | S | 8737.0 | 104.26 | 475467.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026062602/0001628280-26-062602-index.htm |
| 2026-09-16 | SLESSOR MIKE | Director, Officer | S | 7773.0 | 105.12 | 467694.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026062602/0001628280-26-062602-index.htm |
| 2026-09-03 | STEVEN-WAISS KELLEY | Director | S | 2100.0 | 96.1 | 24426.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026060753/0001628280-26-060753-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 2482.0 | 128.72 | 497724.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 2892.0 | 129.55 | 494832.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 686.0 | 133.33 | 484204.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 1125.0 | 131.65 | 490425.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 5535.0 | 132.5 | 484890.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-14 | SLESSOR MIKE | Director, Officer | S | 3282.0 | 130.54 | 491550.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026057485/0001628280-26-057485-index.htm |
| 2026-08-07 | SLESSOR MIKE | Director, Officer | M | 141792.0 | 0.0 | 576494.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026055434/0001628280-26-055434-index.htm |
| 2026-08-07 | SLESSOR MIKE | Director, Officer | F | 78908.0 | 117.39 | 497586.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026055434/0001628280-26-055434-index.htm |
| 2026-08-07 | SLESSOR MIKE | Director, Officer | M | 5908.0 | 0.0 | 503494.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026055434/0001628280-26-055434-index.htm |
| 2026-08-07 | SLESSOR MIKE | Director, Officer | F | 3288.0 | 117.39 | 500206.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026055434/0001628280-26-055434-index.htm |
| 2026-08-06 | McKinnis Aric Brendan | Officer | F | 274.0 | 115.21 | 14152.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054948/0001628280-26-054948-index.htm |
| 2026-08-06 | McKinnis Aric Brendan | Officer | M | 1099.0 | 0.0 | 14426.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054948/0001628280-26-054948-index.htm |
| 2026-08-06 | SLESSOR MIKE | Director, Officer | M | 6031.0 | 0.0 | 438059.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054951/0001628280-26-054951-index.htm |
| 2026-08-06 | SLESSOR MIKE | Director, Officer | F | 3357.0 | 115.21 | 434702.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054951/0001628280-26-054951-index.htm |
| 2026-08-05 | McKinnis Aric Brendan | Officer | F | 130.0 | 114.44 | 13327.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054948/0001628280-26-054948-index.htm |
| 2026-08-05 | McKinnis Aric Brendan | Officer | M | 521.0 | 0.0 | 13457.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054948/0001628280-26-054948-index.htm |
| 2026-08-05 | SLESSOR MIKE | Director, Officer | F | 2028.0 | 114.44 | 432028.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054951/0001628280-26-054951-index.htm |
| 2026-08-05 | SLESSOR MIKE | Director, Officer | M | 3644.0 | 0.0 | 434056.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026054951/0001628280-26-054951-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 1650.0 | 117.39 | 432456.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 706.0 | 118.21 | 431750.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 300.0 | 120.58 | 431280.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 868.0 | 121.3 | 430412.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 1041.0 | 116.56 | 434106.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |
| 2026-07-15 | SLESSOR MIKE | Director, Officer | S | 170.0 | 119.08 | 431580.0 | https://www.sec.gov/Archives/edgar/data/1039399/000162828026048529/0001628280-26-048529-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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