144 0001773704 XXXXXXXX LIVE 0000851205 Cognex Corporation 001-34218 One Vision Drive Natick MA 01760 5086503000 MACDONALD LAURA ANN Officer Common Stock Robert W Baird & Co

777 East Wisconsin Avenue Milwaukee WI 53202

41600 2727429.00 167219637 05/12/2026 NASDAQ Common Stock 05/12/2026 Option Granted 2/21/2023 Issuer N 6100 05/12/2026 Cash Common Stock 05/12/2026 Option Granted 5/1/2019 Issuer N 10000 05/12/2026 Cash Common Stock 05/12/2026 Option Granted 2/18/2020 Issuer N 25500 05/12/2026 Cash N Laura Ann MacDonald

One Vision Drive Natick MA 01760

Common Stock 02/12/2026 14881 850554.00 Laura Ann MacDonald

One Vision Drive Natick MA 01760

Common Stock 05/11/2026 98122 6554765.00 05/12/2026 Laura A. MacDonald