144 0001909362 XXXXXXXX LIVE 0001817241 Artiva Biotherapeutics Inc 001-42179 5505 Morehouse Drive, Suite 100 San Diego CA 92121 8582674467 FRED ASLAN Director Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

12749 42071.70 24544904 12/15/2025 NASDAQ Common 11/15/2025 Restricted Stock Units Issuer N 12749 11/15/2025 N/A N 10b5-1 Sales for FRED ASLAN

5505 Morehouse Drive, Suite 100 San Diego CA 92121

Common 11/17/2025 6375 21522.00 10b5-1 Sales for FRED ASLAN

5505 Morehouse Drive, Suite 100 San Diego CA 92121

Common 10/17/2025 25500 153000.00 The securities to be sold were or will be acquired upon the vesting of restricted stock units during the period of 11/15/2025 through 02/15/2026. 12/15/2025 07/23/2024 /s/ Fed Aslan