Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Moschner Matthew 2. Issuer Name and Ticker or Trading Symbol COGNEX CORP [CGNX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and COO (Last) (First) (Middle) ONE VISION DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 05/05/2025 (Street) NATICK, MA 01760 4. If Amendment, Date 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 (City) (State) (Zip) 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 3,812 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

Non-Qualified Stock Option (right to buy)

$27.99

05/05/2025

A

279,070

05/05/2029(1)

05/05/2035

Common Stock

279,070

$ 0

279,070

D

Non-Qualified Stock Option (right to buy)

$32.78

02/21/2029

02/21/2035

Common Stock

76,924

76,924

D

Non-Qualified Stock Option (right to buy)

$33.04

02/18/2026

02/18/2035

Common Stock

68,823

68,823

D

Non-Qualified Stock Option (right to buy)

$39.44

02/20/2025

02/20/2034

Common Stock

58,260

58,260

D

Non-Qualified Stock Option (right to buy)

$40.71

11/19/2019

11/19/2028

Common Stock

4,000

4,000

D

Non-Qualified Stock Option (right to buy)

$42.84

10/31/2021

10/31/2028

Common Stock

7,000

7,000

D

Non-Qualified Stock Option (right to buy)

$47.21

02/21/2024

02/21/2033

Common Stock

37,832

37,832

D

Non-Qualified Stock Option (right to buy)

$47.95

08/04/2026

08/04/2032

Common Stock

35,639

35,639

D

Non-Qualified Stock Option (right to buy)

$50.01

08/07/2027

08/07/2033

Common Stock

47,962

47,962

D

Non-Qualified Stock Option (right to buy)

$51.49

02/19/2020

02/19/2029

Common Stock

4,000

4,000

D

Non-Qualified Stock Option (right to buy)

$51.97

10/30/2020

10/30/2029

Common Stock

9,000

9,000

D

Non-Qualified Stock Option (right to buy)

$56.44

02/20/2019

02/20/2028

Common Stock

1,600

1,600

D

Non-Qualified Stock Option (right to buy)

$86.38

08/09/2025

08/09/2031

Common Stock

8,426

8,426

D

Restricted Stock Unit

$ 0

08/04/2023

08/04/2025

Common Stock

3,441

3,441

D

Restricted Stock Unit

$ 0

02/21/2024

02/21/2026

Common Stock

3,495

3,495

D

Restricted Stock Unit

$ 0

08/07/2024

08/07/2026

Common Stock

7,999

7,999

D

Restricted Stock Unit

$ 0

02/20/2025

02/20/2027

Common Stock

8,113

8,113

D

Restricted Stock Unit

$ 0

02/18/2026

02/18/2028

Common Stock

25,424

25,424

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Moschner Matthew ONE VISION DRIVE NATICK, MA 01760			President and COO

Signatures

Matthew Moschner		05/07/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The options vest approximately 50% on the fourth anniversary of the grant date (May 5, 2025) and 50% on the fifth anniversary of the grant date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.