Cohu (COHU) CEO withholds 13,271 shares for taxes, forfeits 66,006 PSUs

Rhea-AI Filing Summary

Cohu, Inc. President & CEO Luis A. Muller reported routine equity compensation adjustments. On March 14, 2026, 13,271 shares of Common Stock were automatically withheld upon vesting of Restricted Stock Units to cover tax obligations in a transaction exempt under Rule 16(b)-3.

On the same date, 66,006 Performance Stock Units previously reported were forfeited because specified performance goals were not fully achieved. After these changes, Muller directly holds 1,038,779 shares of Cohu common stock, and his position includes 508,101 RSUs that are scheduled to convert one-for-one into common shares upon future vesting and achievement of performance goals.

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^*

Muller Luis A

(Last) (First) (Middle)

17087 VIA DEL CAMPO

(Street)

SAN DIEGO CA 92127

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

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	03/14/2026		F		13,271(1)	D	$0	1,038,779	D
Performance Stock Units	03/14/2026		J		66,006(2)	D	$0	972,773(3)	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:

1. Represents shares that were automatically withheld upon vesting of Restricted Stock Units (RSUs) to cover tax obligations in a transaction exempt under Rule 16(b)-3.

2. Represents shares that were previously reported that have been forfeited as specified performance goals were not fully achieved.

3. Number of shares includes 508,101 RSUs (excluding the impact of shares that will be withheld to cover tax obligations) previously reported that in the future will be converted on a one-for-one basis into shares of Cohu, Inc. Common Stock immediately upon the vesting dates (assuming continued service through the vesting dates and achievement of specified performance goals).

	/s/ Jeffrey D. Jones, by Power of Attorney	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did Cohu (COHU) CEO Luis A. Muller report in this Form 4 filing?

Luis A. Muller reported routine equity compensation adjustments, including tax-related share withholding and forfeiture of certain performance stock units. These changes reflect administration of prior awards rather than new open-market stock purchases or sales.

Why were 13,271 Cohu (COHU) shares withheld from Luis A. Muller?

The 13,271 Cohu shares were automatically withheld when Restricted Stock Units vested to cover Muller’s tax obligations. This tax-withholding disposition was executed at no sale price and is exempt under Rule 16(b)-3, so it does not represent an open-market sale.

What is the significance of the 66,006 forfeited Performance Stock Units at Cohu (COHU)?

The 66,006 Performance Stock Units were forfeited because specified performance goals were not fully achieved. These units had been previously reported, and their forfeiture reflects that certain performance conditions tied to the award were not met.

How many Cohu (COHU) shares does Luis A. Muller hold after these transactions?

After these transactions, Luis A. Muller directly holds 1,038,779 shares of Cohu common stock. His reported holdings also include 508,101 Restricted Stock Units that will convert into shares upon future vesting and achievement of performance goals.

Do these Cohu (COHU) Form 4 transactions indicate open-market buying or selling by the CEO?

No, the filing shows no open-market buying or selling. It records automatic tax-withholding of 13,271 shares upon RSU vesting and forfeiture of 66,006 performance units, both routine equity compensation events rather than discretionary trades.

What are the 508,101 RSUs mentioned in Luis A. Muller’s Cohu (COHU) holdings?

The 508,101 RSUs are previously reported Restricted Stock Units that will convert one-for-one into Cohu common shares upon future vesting dates. Conversion depends on continued service and achievement of specified performance goals associated with the awards.