FormFactor director plans $201,810 stock sale

A FormFactor director filed a Rule 144 notice to sell 2,100 restricted shares of common stock via broker Morgan Stanley Smith Barney.

Rhea-AI Filing Summary

FORMFACTOR, INC. (FORM) received a Rule 144 notice that director Kelley Lynne Steven-Waiss plans to sell restricted common stock. The filing covers a proposed sale of 2,100 shares of common stock, acquired from the issuer on May 16, 2026, to be sold through Morgan Stanley Smith Barney LLC.

The shares are listed on NASDAQ, and the proposed transaction date is September 3, 2026. The filing states an aggregate market value for the covered securities of $201,810.21, providing investors with visibility into a potential insider sale, though the company itself is not a party to the transaction.

Key Figures

Shares proposed for sale: 2,100 shares Aggregate market value: $201,810.21 Proposed sale date: September 3, 2026 +2 more

5 metrics

Shares proposed for sale 2,100 shares Common stock covered by the Rule 144 notice

Aggregate market value $201,810.21 Market value of the 2,100 FormFactor shares covered

Proposed sale date September 3, 2026 Date listed for the Rule 144 sale of common stock

Acquisition date of restricted stock May 16, 2026 Date the restricted shares to be sold were acquired from the issuer

Number of restricted shares to be sold 2,100 shares Restricted stock identified in the securities-to-be-sold section

Key Terms

Rule 144, Restricted Stock, aggregate market value

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock financial

"Common | 05/16/2026 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

aggregate market value financial

"Common ... | 2100 | 201810.21 | 78120725 | 09/03/2026"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for FORM (FormFactor, Inc.)?

It discloses that director Kelley Lynne Steven-Waiss filed a Rule 144 notice for a proposed sale of 2,100 shares of FormFactor common stock, which are restricted shares originally acquired from the issuer.

How many FormFactor (FORM) shares are covered by this Rule 144 notice?

The notice covers a proposed sale of 2,100 shares of FormFactor, Inc. common stock. These are restricted shares identified in the filing under the securities information and securities-to-be-sold sections.

What is the reported market value of the FormFactor (FORM) shares in this Form 144?

The filing lists an aggregate market value of $201,810.21 for the 2,100 FormFactor common shares covered, based on the information provided in the securities information section.

When were the FormFactor (FORM) shares to be sold acquired and in what form?

The shares were acquired on May 16, 2026 as Restricted Stock from the issuer, FormFactor, Inc., according to the securities-to-be-sold section of the notice.

When is the proposed sale date for the FormFactor (FORM) shares under this Form 144?

The proposed sale date stated is September 3, 2026. This date appears in the securities information section as the proposed transaction date for the Rule 144 sale.

Which broker is handling the proposed Rule 144 sale for FormFactor (FORM) shares?

The proposed sale is to be handled through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, as listed in the securities information section.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/03/2026 - 04:30 PM EDT Accepted by SEC EDGAR 09/03/2026 - 04:19 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001498143
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	FORMFACTOR, INC.
SEC File Number	000-50307
Address of Issuer	7005 SOUTHFRONT ROAD LIVERMORE CALIFORNIA 94551
Phone	925-290-4000
Name of Person for Whose Account the Securities are To Be Sold	KELLEY LYNNE STEVEN-WAISS
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	2100	201810.21	78120725	09/03/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/16/2026	Restricted Stock	Issuer			2100	05/16/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/03/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Kelley Lynne Steven-Weiss
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)