SLESSOR MIKE
SEC insider (Form 3/4/5 filer). CIK 0001590177. CEO at FORMFACTOR INC (FORM) and 1 other issuer. 124 reported Form 4/5 transactions since Sep 2024; latest on Oct 14, 2026. Located in LIVERMORE, CA.
Companies SLESSOR MIKE has filed insider reports for
- FORMFACTOR INC (FORM): Director, Officer, CEO
- BENCHMARK ELECTRONICS INC (BHE): Director
SLESSOR MIKE
CIK: 0001590177
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)71 (57.3%)
Position reduction
Option Exercises (M)23 (18.5%)
Derivative conversions
Awards (A)6 (4.8%)
Compensation grants
Other (G, F, J, C, D, …)24 (19.4%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (124 total)
- Oct 14, 2026FORM
FORMFACTOR INC
SaleDirect2.2K shares at avg. $124.23$273K - Oct 14, 2026FORM
FORMFACTOR INC
SaleDirect7.7K shares at avg. $125.36$966K - Oct 14, 2026FORM
FORMFACTOR INC
SaleDirect1.2K shares at avg. $125.92$151K - Sep 16, 2026FORM
FORMFACTOR INC
SaleDirect1K shares at avg. $105.80$106K - Sep 16, 2026FORM
FORMFACTOR INC
SaleDirect8.7K shares at avg. $104.26$911K - Sep 16, 2026FORM
FORMFACTOR INC
SaleDirect7.8K shares at avg. $105.12$817K - Aug 14, 2026FORM
FORMFACTOR INC
SaleDirect5.5K shares at avg. $132.50$733K - Aug 14, 2026FORM
FORMFACTOR INC
SaleDirect686 shares at avg. $133.33$91K - Aug 14, 2026FORM
FORMFACTOR INC
SaleDirect2.5K shares at avg. $128.72$319K - Aug 14, 2026FORM
FORMFACTOR INC
SaleDirect2.9K shares at avg. $129.55$375K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 14, 2026 |  FORM FORMFACTOR INC | Sale | 2,195 | $124.23 | $272,685 | Direct |
| Oct 14, 2026 | FORM FORMFACTOR INC | Sale | 7,703 | $125.36 | $965,648 | Direct |
| Oct 14, 2026 | FORM FORMFACTOR INC | Sale | 1,200 | $125.92 | $151,104 | Direct |
| Sep 16, 2026 | FORM FORMFACTOR INC | Sale | 1,000 | $105.80 | $105,800 | Direct |
| Sep 16, 2026 | FORM FORMFACTOR INC | Sale | 8,737 | $104.26 | $910,920 | Direct |
| Sep 16, 2026 | FORM FORMFACTOR INC | Sale | 7,773 | $105.12 | $817,098 | Direct |
| Aug 14, 2026 | FORM FORMFACTOR INC | Sale | 5,535 | $132.50 | $733,388 | Direct |
| Aug 14, 2026 | FORM FORMFACTOR INC | Sale | 686 | $133.33 | $91,464 | Direct |
| Aug 14, 2026 | FORM FORMFACTOR INC | Sale | 2,482 | $128.72 | $319,483 | Direct |
| Aug 14, 2026 | FORM FORMFACTOR INC | Sale | 2,892 | $129.55 | $374,659 | Direct |
1-10 of 124 transactions
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