144/A 0001950047-24-008305 0001753662 XXXXXXXX LIVE 0001627475 UPWORK, INC 001-38678 530 LYTTON AVENUE, SUITE 301 PALO ALTO CA 94301 650-316-7500 Brown Hayden Officer Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

30000 487500.00 133667123 11/08/2024 NASDAQ Common 12/18/2020 RSU/PSU Issuer N 30000 12/18/2020 N/A N HAYDEN LARSON BROWN

530 Lytton Ave, Suite 301 Palo Alto CA 94301

Common 09/18/2024 9444 99833.47 10b5-1 Sales for HAYDEN LARSON BROWN

530 Lytton Ave, Suite 301 Palo Alto CA 94301

Common 09/16/2024 20000 200164.00 HAYDEN LARSON BROWN

530 Lytton Ave, Suite 301 Palo Alto CA 94301

Common 08/19/2024 31506 303975.49 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 12/18/2020 through 06/18/2021. This amended Form 144 is being filed solely to correct the gross proceeds reported with respect to the sale executed on 08/19/2024 on Table II. 11/08/2024 12/06/2023 /s/ Hayden Brown