Exempt Offering Notice · D

FormFactor, Inc.

FORMNASDAQEQUITYCurrent

Exempt Offering Notice

Filed Oct 20, 2026Accepted Oct 20, 2026, 4:48 PM EDTFiling CIK 1039399Accession 0001039399-26-000038

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Structured filing — D

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Issuer

Name: FORMFACTOR INC
CIK: 0001039399
Entity type: Corporation
Jurisdiction: DELAWARE
Phone: 9252944000
Street: 7005 SOUTHFRONT ROAD
City: LIVERMORE
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551
Incorporated more than five years ago: true
Previous issuer names: None
Previous EDGAR names: None

Related person 1

First name: Michael
Middle name: D.
Last name: Slessor
Relationships: Executive Officer · Director
Relationship clarification: Chief Executive Officer and Director
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 2

First name: Aric
Last name: McKinnis
Relationships: Executive Officer
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 3

First name: Thomas
Last name: St. Dennis
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 4

First name: Kelley
Last name: Steven-Waiss
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 5

First name: Rebecca
Last name: Obregon
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 6

First name: Sheri
Last name: Rhodes
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 7

First name: Jorge
Last name: Titinger
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Related person 8

First name: Brian
Last name: White
Relationships: Director
Relationship clarification: [blank]
Street: 7005 Southfront Road
City: Livermore
State / country code: CA
State / country: CALIFORNIA
Postal code: 94551

Offering

Industry: Other Technology
Revenue range: Decline to Disclose
Exemption codes: 06b
Amendment: false
First sale date: 2026-10-06
Offering lasts more than one year: false
Equity securities: true
Business combination: false
Business combination clarification: [blank]
Minimum investment accepted: 0
Total offering amount: 300,000,056
Amount sold: 300,000,056
Remaining amount: 0
Amount clarification: [blank]
Non-accredited investors reported: false
Investors already participating: 1

Commissions, fees and proceeds

Sales commissions: 0
Finders’ fees: 0
Commission / fee clarification: No sales commissions or finders fees were incurred or paid in connection with the offering.
Gross proceeds used: 0
Use of proceeds clarification: Gross proceeds will be used for general corporate purposes and working capital. No proceeds will be used for payments to executive officers, directors or promoters.

Signature authorization

Authorized representative: false

Signature 1

Issuer: FORMFACTOR INC
Signer: Michael D. Slessor
Signed: /s/Michael D. Slessor
Title: President and Chief Executive Officer
Date: 2026-10-20

Company context

FormFactor, Inc. (Nasdaq: FORM) is a leading provider of essential test and measurement technologies along the full IC life cycle - from characterization, modeling, reliability, and design de-bug to qualification and production test. Semiconductor companies rely upon FormFactor’s products and services to accelerate profitability by optimizing device performance and advancing yield knowledge. The Company serves customers through its network of facilities in Asia, Europe, and North America. For more information, visit www.formfactor.com.

Current securities

FORMNASDAQ · EQUITY · Current

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