Cohu CEO Luis Muller sells 27,236 shares at $65

The reported post-sale share count includes RSUs that convert upon vesting, subject to continued service and specified performance goals.

Rhea-AI Filing Summary

COHU Inc.'s President & CEO Luis A. Muller sold 27,236 shares of common stock on September 25, 2026, at an exact execution price of $65.00 per share under a Rule 10b5-1(c) plan. He reported 844,589 shares following the sale, including 508,101 previously reported RSUs.

Insider Trade Summary 10b5-1

Net Seller: 27,236 shares

Net Sell 1 txn

Insider Muller Luis A

Role President & CEO

Sold 27,236 shs ($1.77M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2, F3	27,236	$65.00	$1.77M

Holdings After Transaction: Common Stock — 844,589 shares (Direct)

Footnotes (3)

1. F1. Adoption date of referenced 10b5-1(c) plan is: 05/28/2026
2. F2. The shares with respect to this transaction were sold at an exact execution price of $65.00.
3. F3. 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).

Key Figures

Shares sold: 27,236 shares Execution price: $65.00 per share Shares following transaction: 844,589 shares +1 more

4 metrics

Shares sold 27,236 shares Common stock sold on September 25, 2026

Execution price $65.00 per share Exact execution price for the September 25, 2026 sale

Shares following transaction 844,589 shares Reported after the sale; includes RSUs

RSUs included 508,101 RSUs Previously reported; included in the reported post-sale share count

Key Terms

10b5-1(c) plan, RSUs, one-for-one basis

3 terms

10b5-1(c) plan regulatory

"referenced 10b5-1(c) plan"

RSUs financial

"includes 508,101 RSUs"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

one-for-one basis technical

"converted on a one-for-one basis"

FAQ

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

How many shares did COHU's President & CEO sell, and at what price?

Luis A. Muller, COHU Inc.'s President & CEO, sold 27,236 shares of common stock on September 25, 2026, at an exact execution price of $65.00 per share.

When was the Rule 10b5-1(c) plan for COHU's CEO's sale adopted?

The plan was adopted on May 28, 2026.

What conditions apply to the RSUs included in COHU's CEO's reported share count?

The 508,101 previously reported RSUs are to convert immediately into common stock on a one-for-one basis upon vesting, assuming continued service through the vesting dates and achievement of specified performance goals. The reported count excludes the impact of shares to be withheld for tax obligations.

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

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Available on EDGAR 09/25/2026 - 09:10 PM Accepted by SEC EDGAR 09/25/2026 - 09:09 PM Learn about SEC filing dates

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).

X

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 CALIFORNIA 92127

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

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

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

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

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	09/25/2026(1)		S		27,236	D	$65(2)	844,589(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. Adoption date of referenced 10b5-1(c) plan is: 05/28/2026

2. The shares with respect to this transaction were sold at an exact execution price of $65.00.

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	09/25/2026
	** 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.
* Form 4: SEC 1474 (03-26)