# EDGAR Filing Document

**Accession Number:** 0000851205
**File Stem:** 0002132179-26-000002
**Filing Date:** 2026-5
**Character Count:** 5403
**Document Hash:** db24d8b5f929228c773294e149c8dd35
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002132179-26-000002.hdr.sgml**: 20260501

**ACCESSION NUMBER**: 0002132179-26-000002

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260429

**FILED AS OF DATE**: 20260501

**DATE AS OF CHANGE**: 20260501

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Long Darren Marc
- **CENTRAL INDEX KEY:** 0002132179

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34218
- **FILM NUMBER:** 26932307

**MAIL ADDRESS:**
- **STREET 1:** 1 VISION DRIVE
- **CITY:** NATICK
- **STATE:** MA
- **ZIP:** 01760
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COGNEX CORP
- **CENTRAL INDEX KEY:** 0000851205
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 042713778
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** ONE VISION DR
- **CITY:** NATICK
- **STATE:** MA
- **ZIP:** 01760
- **BUSINESS PHONE:** 5086503000

**MAIL ADDRESS:**
- **STREET 1:** ONE VISION DRIVE
- **CITY:** NATICK
- **STATE:** MA
- **ZIP:** 01760

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Long Darren Marc<br><sub>(Last) (First) (Middle)</sub><br>1 VISION DRIVE<br><sub>(Street)</sub><br>NATICK, MA 01760<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>COGNEX CORP [ CGNX ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-04-29 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Vice President_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 5569 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Non-Qualified Stock Option (right to buy) | 2026-02-18 | 2035-02-18 | Common Stock | 31095 | $33.04 | D |  |
| Non-Qualified Stock Option (right to buy) | 2025-02-20 | 2034-02-20 | Common Stock | 34271 | $39.44 | D |  |
| Non-Qualified Stock Option (right to buy) | 2024-02-21 | 2033-02-21 | Common Stock | 20328 | $47.21 | D |  |
| Non-Qualified Stock Option (right to buy) | 2025-05-09 | 2032-05-09 | Common Stock | 16658 | $49.12 | D |  |
| Non-Qualified Stock Option (right to buy) | 2027-08-07 | 2033-08-07 | Common Stock | 23981 | $50.01 | D |  |
| Non-Qualified Stock Option (right to buy) | 2020-02-19 | 2029-02-19 | Common Stock | 8675 | $51.49 | D |  |
| Non-Qualified Stock Option (right to buy) | 2019-02-20 | 2028-02-20 | Common Stock | 4500 | $56.44 | D |  |
| Non-Qualified Stock Option (right to buy) | 2027-02-17 | 2036-02-17 | Common Stock | 7231 | $57.09 | D |  |
| Non-Qualified Stock Option (right to buy) | 2023-02-22 | 2032-02-22 | Common Stock | 10758 | $64.43 | D |  |
| Restricted Stock Unit | 2024-08-07 | 2026-08-07 | Common Stock | 2500 | $0.0 | D |  |
| Restricted Stock Unit | 2025-02-20 | 2027-02-20 | Common Stock | 3169 | $0.0 | D |  |
| Restricted Stock Unit | 2026-02-18 | 2028-02-18 | Common Stock | 9080 | $0.0 | D |  |
| Restricted Stock Unit | 2027-02-17 | 2029-02-17 | Common Stock | 11211 | $0.0 | D |  |

---

**Signature:** Darren Marc Long  
**Date:** 2026-05-01

### Remarks:

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.**