Mike Slessor plans sale of 4,735 FORM shares

Accepted by SEC EDGAR 07/15/2026 - 04:14 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

FORM has a notice of proposed sale under Form 144 from Mike Slessor covering 4,735 common shares to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on or about 07/15/2026, with aggregate market value of 560197.38, out of 77,954,772 shares outstanding.

The shares derive from restricted stock acquired from the issuer on 11/05/2024. Slessor also reported past three‑month sales, including 11,890 shares on 06/10/2026 for 1442913.33 and 9,438 shares on 05/13/2026 for 1194065.56.

Key Figures

Shares to be sold: 4735 shares Aggregate market value: 560197.38 Shares outstanding: 77954772 shares +5 more

8 metrics

Shares to be sold 4735 shares Number of common shares covered by the Form 144 notice

Aggregate market value 560197.38 Aggregate market value of the 4,735 common shares to be sold

Shares outstanding 77954772 shares Total common shares outstanding for the issuer

Approximate sale date 07/15/2026 Approximate date for proposed sale of the Form 144 shares

Shares sold 06/10/2026 11890 shares Common shares sold during the past 3 months on 06/10/2026

Proceeds 06/10/2026 sale 1442913.33 Value of FORM common shares sold on 06/10/2026

Shares sold 05/13/2026 9438 shares Common shares sold during the past 3 months on 05/13/2026

Proceeds 05/13/2026 sale 1194065.56 Value of FORM common shares sold on 05/13/2026

Key Terms

Securities Information, Restricted Stock, Securities Sold During The Past 3 Months, Issuer

4 terms

Securities Information regulatory

"144: Securities Information Common | Morgan Stanley Smith Barney"

Restricted Stock financial

"Common | 11/05/2024 | 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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months MIKE SLESSOR"

Issuer regulatory

"Common | 11/05/2024 | Restricted Stock | ISSUER"

FAQ

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

What stock sale is disclosed in the Form 144 filing for FORM?

The filing shows a planned sale of 4,735 FORM common shares through Morgan Stanley Smith Barney, with stated value of 560197.38, to be sold on or about 07/15/2026 on the NASDAQ market.

Who is the reporting person in the FORM Form 144 notice?

The notice lists Mike Slessor, of 7005 Southfront Road, Livermore, CA 94551, as the person associated with the proposed sale and the past three‑month sales of FORM common stock described in the Form 144 information.

How many FORM shares did Mike Slessor sell in the past 3 months?

Slessor reported two past three‑month sales of FORM common shares: 11,890 shares on 06/10/2026 for 1442913.33 and 9,438 shares on 05/13/2026 for 1194065.56, as listed under “Securities Sold During The Past 3 Months.”

When were the FORM restricted shares acquired before this Form 144 sale?

The common shares to be sold under Form 144 were acquired as Restricted Stock from the ISSUER on 11/05/2024, with the date of payment also recorded as 11/05/2024 and the nature of payment described as not applicable.

How many total shares of FORM common stock are outstanding?

The Form 144 information states that there are 77,954,772 FORM common shares outstanding, providing context for the planned sale of 4,735 shares relative to the company’s total common stock base.

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

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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	0001590177
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	MIKE SLESSOR
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	Officer
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	4735	560197.38	77954772	07/15/2026	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	11/05/2024	Restricted Stock	ISSUER			4735	11/05/2024	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MIKE SLESSOR 7005 Southfront Road Livermore CA 94551	Common	06/10/2026	11890	1442913.33
MIKE SLESSOR 7005 Southfront Road Livermore CA 94551	Common	05/13/2026	9438	1194065.56

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock during the period of 11/05/2024 through 05/05/2025
Date of Notice	07/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/19/2025
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/ Mike (Michael) David Slessor
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)