Were the FORMFACTOR INC CEO’s FORM share sales part of a 10b5-1 trading plan?

Yes. The Form 4 notes the sales occurred automatically under a Rule 10b5-1 trading plan adopted on August 19, 2025. Such plans pre-schedule trades, allowing insiders to sell shares over time according to predetermined instructions.

FormFactor CEO sells 8,664 shares in plan trade

FORMFACTOR INC CEO Mike Slessor reported open-market sales of 8,664 shares of common stock.

Accepted by SEC EDGAR 02/18/2026 - 07:41 PM EST

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Rhea-AI Filing Summary

FORMFACTOR INC CEO Mike Slessor reported open-market sales of 8,664 shares of common stock. The transactions occurred on February 18, 2026 in three tranches at weighted average prices of about $92.85, $93.97, and $94.79 per share.

The filing states the sales were executed automatically under a Rule 10b5-1 trading plan adopted on August 19, 2025. After these sales, Slessor directly holds 471,086 shares of FormFactor common stock.

Insider Trade Summary

Net Seller: 8,664 shares

Net Sell 3 txns

Insider SLESSOR MIKE

Role CEO

Sold 8,664 shs ($816K)

Type	Security	Shares	Price	Value
Sale	Common Stock	834	$92.85	$77K
Sale	Common Stock	4,934	$93.97	$464K
Sale	Common Stock	2,896	$94.79	$275K

Holdings After Transaction: Common Stock — 471,086 shares (Direct)

Footnotes (4)

F1. The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.
F2. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $92.375 through $93.36. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F3. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $93.44 through $94.35. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F4. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $94.36 through $95.25. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

FAQ

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What did FORMFORM FACTOR INC CEO Mike Slessor report in this Form 4 for FORM?

Mike Slessor reported selling 8,664 shares of FORMFACTOR INC common stock. The sales were made in three open-market transactions on February 18, 2026 under a pre-established Rule 10b5-1 trading plan adopted on August 19, 2025.

At what prices did the FORMFACTOR INC CEO sell FORM shares in this filing?

The CEO’s reported sales occurred at weighted average prices near $92.85, $93.97, and $94.79 per share. Each tranche reflects multiple trades within disclosed price ranges, with full price details available to SEC staff or any FormFactor security holder upon request.

How many FORMFACTOR INC shares does the CEO hold after these Form 4 sales for FORM?

After the reported transactions, CEO Mike Slessor directly owns 471,086 shares of FormFactor common stock. This post-transaction balance reflects the cumulative effect of the three open-market sales totaling 8,664 shares on February 18, 2026, as disclosed in the Form 4.

How many FORMFACTOR INC Form 4 transactions are reported for FORM in this filing?

The filing reports three separate non-derivative transactions in FormFactor common stock. All three are coded as open-market sales on February 18, 2026, together totaling 8,664 shares sold and leaving the CEO with 471,086 shares directly owned afterward.

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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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

SLESSOR MIKE

(Last)

(First)

(Middle)

7005 SOUTHFRONT ROAD

(Street)

LIVERMORE

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
X	Officer (give title below)	Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/18/2026		S		834⁽¹⁾	D	$92.85⁽²⁾	478,916	D
Common Stock	02/18/2026		S		4,934⁽¹⁾	D	$93.97⁽³⁾	473,982	D
Common Stock	02/18/2026		S		2,896⁽¹⁾	D	$94.79⁽⁴⁾	471,086	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

2. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $92.375 through $93.36. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

3. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $93.44 through $94.35. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

4. Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $94.36 through $95.25. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Remarks:

	/s/ Stan Finkelstein, Attorney-in-fact for Mike Slessor	02/18/2026
	** 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.

Source: View Original Filing on SEC EDGAR