As of October 22, 2026, Formfactor Inc. is a publicly traded company (Nasdaq: FORM). The largest insider holding is Mike Slessor, the chief executive and a director, with 455,596 shares (0.58% of shares outstanding), per Form 4 of October 14, 2026. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include BlackRock (12.4%), Vanguard (7.61%), Vanguard (5.21%) (Schedule 13G/A, July 28, 2026).
About to sign with, pay or invest in Formfactor Inc.? See the free Snapshot first.
Free to see. No signup.
Is Formfactor Inc. a real, registered company?
- Formfactor Inc files with the SEC under CIK 1039399 (its SEC filings).
- Its shares are listed under the ticker FORM on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Livermore, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under FORMFACTOR INC in our court records and SEC 8-K records (as of 2026-10-22).
- Layoffs: 1 exit or restructuring plan reported on Form 8-K, Item 2.05 (latest filed 2026-01-09, about 300 jobs).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-07-28).
Who is behind Formfactor Inc.?
Formfactor Inc.: incorporated in Delaware; business address in Livermore, California; industry Semiconductors & Related Devices (Form D, 2026-10-20).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2026-10-20)
- : Executive Officer (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
- : Director (Form D, 2026-10-20)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Earnest Partners LLC | 4.8% |
| Schedule 13G/A, 2026-07-28 | Blackrock, Inc. | 12.4% |
| Schedule 13G/A, 2026-05-15 | Earnest Partners LLC | 6.3% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.21% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 7.61% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
Which insiders own Formfactor Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Mike Slessor, the chief executive and a director: 455,596 shares (0.58% of shares outstanding) (Form 4, 2026-10-14).
- Shai Shahar, the chief financial officer and senior vice president global finance: 55,968 shares (0.07% of shares outstanding) (Form 4, 2025-08-08).
- Thomas St. Dennis, a director: 28,333 shares (0.04% of shares outstanding) (Form 4, 2026-06-16).
- Kelley Steven-Waiss, a director: 24,426 shares (0.03% of shares outstanding) (Form 4, 2026-09-04).
- Jorge Titinger, a director: 14,836 shares (0.02% of shares outstanding) (Form 4, 2026-05-19).
Shares outstanding: 78,120,725 as of 2026-07-29, from the company's latest SEC cover page.
How much has Formfactor Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2026-10-20 | $300M | $300M |
| Form D, 2025-01-17 | $15M | $15M |
Red flags found
1 exit or restructuring plan on Form 8-K (latest Form 8-K, 2026-01-09).
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/formfactor