Director at FormFactor (FORM) sells 2,300 common shares

Rhea-AI Filing Summary

FORMFACTOR INC director Brian C. White sold shares in the company. On February 24, 2026, he completed an open-market sale of 2,300 shares of common stock at $100.01 per share. After this transaction, he directly owned 10,556 shares of FORMFACTOR INC common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WHITE BRIAN C

(Last) (First) (Middle)

7005 SOUTHFRONT ROAD

(Street)

LIVERMORE CA 94551

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FORMFACTOR INC [ FORM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/24/2026		S		2,300	D	$100.01	10,556	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Stan Finkelstein, Attorney-in-fact for Brian White	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did FORM director Brian C. White report on this Form 4?

FORM director Brian C. White reported an open-market sale of 2,300 shares of FORMFACTOR INC common stock. The transaction took place on February 24, 2026, and was reported as a standard sale under transaction code “S.”

At what price did Brian C. White sell FORMFACTOR INC shares?

Brian C. White sold 2,300 shares of FORMFACTOR INC common stock at a price of $100.01 per share. This was an open-market transaction, categorized under transaction code “S” for a sale in the open market or a private transaction.

How many FORMFACTOR INC shares does Brian C. White hold after this transaction?

After the reported sale, Brian C. White directly owns 10,556 shares of FORMFACTOR INC common stock. This post-transaction ownership figure is explicitly disclosed and reflects his remaining direct holdings following the 2,300-share open-market sale.

Is the Brian C. White Form 4 transaction in FORM stock a buy or a sell?

The Form 4 transaction for Brian C. White in FORMFACTOR INC stock is a sell. It is classified with transaction code “S,” indicating an open-market or private sale of 2,300 common shares on February 24, 2026.

What type of security did Brian C. White trade in this FORM Form 4 filing?

The security involved in Brian C. White’s Form 4 filing is FORMFACTOR INC common stock. He executed an open-market sale of 2,300 common shares, and this transaction affected only his non-derivative, directly held equity position in the company.