144/A 0001628280-26-047461 0001207790 XXXXXXXX LIVE 0001645469 Monopar Therapeutics Inc. 1000 Skokie Blvd Suite 350 Wilmette IL 60091 847-388-0349 Arthur Klausner Former Board Member Common Stock MLPFS One Bryant Park 40th fl New York NY 10036 5000 476967 0 07/08/2026 NASDAQ Common Stock 12/31/2023 Restricted Stock Unit Vesting Arthur Klausner N 506 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 09/30/2023 Restricted Stock Unit Vesting Arthur Klausner N 507 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 06/30/2023 Restricted Stock Unit Vesting Arthur Klausner N 507 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 03/31/2023 Restricted Stock Unit Vesting Arthur Klausner N 507 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 12/31/2022 Restricted Stock Unit Vesting Arthur Klausner N 571 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 09/30/2022 Restricted Stock unit vesting Arthur Klausner N 572 07/08/2026 Granted as part of issuer equity compensation plan. Common Stock 06/30/2022 Restricted stock unit vesting Arthur Klausner N 572 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 03/31/2022 Restricted stock unit vesting Arthur Klausner N 572 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 03/31/2021 Restricted stock unit vesting Arthur Klausner N 150 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 06/30/2021 Restricted stock unit vesting Arthur Klausner N 150 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 09/30/2021 Restricted stock unit vesting Arthur Klausner N 150 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 12/31/2021 Restricted stock unit vesting Arthur Klausner N 151 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 09/30/2020 Restricted stock unit vesting Arthur Klausner N 21 07/08/2026 Granted as part of issuer equity compensation plan Common Stock 12/31/2020 Restricted stock unit vesting Arthur Klausner N 64 07/08/2026 Granted as part of issuer equity compensation plan Y 07/10/2026 Arthur Klausner