FormFactor, Inc. FormFactor, Inc. (FORM)
Nasdaq: FORM · Semiconductors & Related Devices · Livermore, CA · filing with the SEC since 2002
Grade5.8
◀ Past 6.8● Present 6.3▶ Future 4.3
Who owns FormFactor, Inc. FormFactor, Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 12.4% of Common Stock, as its SCHEDULE 13G/A filed Jul 28, 2026 says.
Directors and officers
9
report now, of 16 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 28, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Earnest Partners LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · reported falling below 5%, from 6.3% in May 15, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 13.7% in Jan 31, 2025
What FORM reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Keystone Photonics
A company bought · acquisition · Nov 2025 · owns, named in the 10-K filed Feb 20, 2026
9 subsidiaries in 6 countries, from the list filed with the 10-K filed Feb 20, 2026.
Insider tradesForm 4
75sales
0purchases
55sales on a scheduled plan
9people selling
$23.4Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 16 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Slessor Mike | CEO | 55 | $16.2M | 55 | 0 | $0 |
| Rhodes Sheri | director | 2 | $1.5M | 0 | 0 | $0 |
| St Dennis Thomas | EXECUTIVE CHAIRMAN | 5 | $1.3M | 0 | 0 | $0 |
| Steven-Waiss Kelley | director | 4 | $1.2M | 0 | 0 | $0 |
| White Brian C | director | 3 | $1.1M | 0 | 0 | $0 |
| Titinger Jorge | SR VP PRODUCT BUSINESS GROUP | 2 | $700,000 | 0 | 0 | $0 |
| Obregon-Jimenez Rebeca | director | 2 | $700,000 | 0 | 0 | $0 |
| Mckinnis Aric Brendan | CFO, SVP Global Finance | 1 | $300,000 | 0 | 0 | $0 |
| Brewer Kevin J | director | 1 | $300,000 | 0 | 0 | $0 |