COGNEX CORP

During the quarter ended September 28, 2025, the following officers (as defined in Exchange Act Rule 16a-1(f)) adopted a Rule 10b5-1 trading arrangement, as defined in Item 408 of Regulation S-K, that is intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c):

•On August 6, 2025, Laura MacDonald, the Vice President and Principal Accounting Officer of the Company, adopted a trading arrangement for the sale of shares of the Company’s common stock (a “Rule 10b5-1 Trading Plan”). Ms. MacDonald’s Rule 10b5-1 Trading Plan, which has a term ending on August 7, 2026, provides for the exercise of vested stock options to sell up to 12,500 shares of common stock pursuant to the terms of such Rule 10b5-1 Trading Plan. Additionally, Ms. MacDonald's Rule 10b5-1 Trading Plan provides for the sale of 5,047 shares of common stock pursuant to the terms of the plan.

•On September 10, 2025, Carl Gerst, the Executive Vice President of Vision and ID Products of the Company, adopted a Rule 10b5-1 Trading Plan. Mr. Gerst’s Rule 10b5-1 Trading Plan, which has a term ending on April 1, 2026, provides for the sale of up to 21,207 shares of common stock pursuant to the terms of such Rule 10b5-1 Trading Plan.

During the quarter ended September 28, 2025, no 10b5-1 trading arrangements were modified or terminated, and no director or officer of the Company adopted orterminated a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K.