COGNEX CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule

14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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Securities Exchange Act of 1934

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NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

To Be Held on April 29, 2026

To our Shareholders:

The 2026 Annual Meeting of Shareholders of COGNEX CORPORATION will be held at 9:00 a.m. local time on Wednesday, April 29, 2026, at Cognex’s headquarters located at One Vision Drive, Natick, Massachusetts 01760, for the following purposes:

In addition, we will consider any other business that may properly come before the meeting or any adjournments or postponements of the meeting.

The Board of Directors has fixed the close of business on February 27, 2026 as the record date for the meeting. All shareholders of record on that date are entitled to receive notice of and to vote at the meeting.

YOUR VOTE IS IMPORTANT. WHETHER OR NOT YOU PLAN TO ATTEND THE MEETING, PLEASE VOTE YOUR SHARES BY TELEPHONE, VIA THE INTERNET, OR BY COMPLETING AND RETURNING A PROXY CARD. IF YOU ATTEND THE MEETING, YOU MAY CONTINUE TO HAVE YOUR SHARES VOTED AS INSTRUCTED IN THE PROXY, OR YOU MAY WITHDRAW YOUR PROXY AT THE MEETING AND VOTE YOUR SHARES IN PERSON.

By Order of the Board of Directors,

Mark T. Fennell, Secretary

Natick, Massachusetts

March 13, 2026

Important

Please note that due to security procedures, you may be required to show a form of picture identification to gain access to our headquarters. Please contact the Cognex Department of Investor Relations at(508) 650-3000 or ir@cognex.com if you plan to attend the meeting.

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