Who
Mike Slessor
CEO
Company insider
Files Form 4 as: CEO, FormFactor; Director, Benchmark Electronics.
In numbers
- Trades disclosed
- 470
- Buys
- 0
- Sells
- 68
- Bought
- $0
- Sold
- $51.2M
- Companies
- 2
- Companies where not an officer
- 1
- First trade
- 6 Nov 2013
- Last trade
- 14 Oct 2026
- Last filed
- 14 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 14 Oct 2026filed 14 Oct 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $273K2,195 at $124.23 | filing |
| 14 Oct 2026filed 14 Oct 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $966K7,703 at $125.36 | filing |
| 14 Oct 2026filed 14 Oct 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $151K1,200 at $125.92 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $911K8,737 at $104.26 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $817K7,773 at $105.12 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $106K1,000 at $105.80 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $911K8,737 at $104.26 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $817K7,773 at $105.12 | filing |
| 16 Sep 2026filed 17 Sep 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $106K1,000 at $105.80 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $319K2,482 at $128.72 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $375K2,892 at $129.55 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $428K3,282 at $130.54 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $148K1,125 at $131.65 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $733K5,535 at $132.50 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $91K686 at $133.33 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $319K2,482 at $128.72 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $375K2,892 at $129.55 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $428K3,282 at $130.54 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $148K1,125 at $131.65 | filing |
| 14 Aug 2026filed 17 Aug 2026 | FORM FormFactorSemiconductor Equipment | SEC FORM 4 Sold | $733K5,535 at $132.50 | filing |
News
FormFactor (NASDAQ:FORM) CEO Mike Slessor Sells 11,098 Shares of Stockthemarketsdaily.com · 15 Oct 2026FormFactor CEO Mike Slessor Sells 17,510 Sharesyahoo.com · 22 Sep 2026FormFactor Opens Farmers Branch Manufacturing Facility to Support Growing Demand for Advanced Probe Card TechnologiesFORM · manilatimes.net · 22 Oct 2026FormFactor (NASDAQ:FORM) Downgraded by Zacks Research to HoldFORM · dailypolitical.com · 21 Oct 2026Head-To-Head Survey: Micron Technology (NASDAQ:MU) & FormFactor (NASDAQ:FORM)FORM · tickerreport.com · 18 Oct 2026
2 headlines in the last 90 days name Mike Slessor; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.