144 0001780854 XXXXXXXX LIVE 0001478320 ADAPTIVE BIOTECHNOLOGIES CORP 001-38957 1165 Eastlake Avenue East Seattle WA 98109 2066590067 SHARON BENZENO Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

12604 215906.52 152665188 12/04/2025 NASDAQ Common 12/04/2025 Exercise of Stock Options Issuer N 12604 12/04/2025 Cash N 10b5-1 Sales for SHARON BENZENO

1165 Eastlake Avenue East Seattle WA 98109

Common 11/21/2025 308477 5214957.92 10b5-1 Sales for SHARON BENZENO

1165 Eastlake Avenue East Seattle WA 98109

Common 11/20/2025 297925 4928722.24 12/04/2025 08/18/2025 /s/ Sharon Benzeno