Mike Slessor plans sale of 13,088 shares

Mike Slessor has filed a Form 144 notice to sell 13,088 shares of common stock through Morgan Stanley Smith Barney on the NASDAQ exchange, with an approximate sale date of January 15, 2026 and an aggregate market value of $1,005,295.82.

Rhea-AI Filing Summary

Mike Slessor has filed a Form 144 notice to sell 13,088 shares of common stock through Morgan Stanley Smith Barney on the NASDAQ exchange, with an approximate sale date of January 15, 2026 and an aggregate market value of $1,005,295.82.

The shares to be sold are the same 13,088 common shares that were acquired as restricted stock from the issuer on June 4, 2022, with no separate cash payment noted at that time.

Over the prior three months, Slessor has already sold additional common shares of the same issuer, including 7,669 shares on December 17, 2025 for gross proceeds of $432,236.34, 8,403 shares on November 19, 2025 for $420,670.99, and 39,606 shares on January 6, 2026 for $2,574,390.00.

FAQ

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

What does the latest Form 144 filing for FORM disclose?

The Form 144 notice shows that Mike Slessor plans to sell 13,088 common shares through Morgan Stanley Smith Barney on the NASDAQ, with an aggregate market value of $1,005,295.82 and an approximate sale date of January 15, 2026.

How many FORM shares is Mike Slessor planning to sell under this Form 144?

According to the filing, 13,088 shares of common stock are planned to be sold under this Form 144 notice.

When and how did Mike Slessor acquire the FORM shares being sold?

The filing states that the 13,088 shares being sold were acquired as restricted stock from the issuer on June 4, 2022, with the nature of payment listed as not applicable.

Which broker will handle the planned sale of FORM shares?

The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the broker for the 13,088-share sale on the NASDAQ.

What recent FORM share sales by Mike Slessor are reported in the Form 144?

The notice reports that Mike Slessor sold 7,669 common shares on December 17, 2025 for $432,236.34, 8,403 shares on November 19, 2025 for $420,670.99, and 39,606 shares on January 6, 2026 for $2,574,390.00.

On which exchange are the FORM shares in this Form 144 expected to be sold?

The Form 144 identifies the NASDAQ as the securities exchange where the 13,088 common shares are expected to be sold.

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Accepted by SEC EDGAR 01/15/2026 - 04:03 PM 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	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	13088	1005295.82	77517097	01/15/2026	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	06/04/2022	Restricted Stock	ISSUER			13088	06/04/2022	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	12/17/2025	7669	432236.34
MIKE SLESSOR 7005 Southfront Road Livermore CA 94551	Common	11/19/2025	8403	420670.99
MIKE SLESSOR 7005 Southfront Road Livermore CA 94551	Common	01/06/2026	39606	2574390.00

144: Remarks and Signature

Remarks
Date of Notice	01/15/2026
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)