0001726445 2021-11-09 2021-11-09 2021 Q3 false 0001726445 8-K 2021-11-09 Seer, Inc. DE 001-39747 82-1153150 3800 Bridge Parkway Suite 102 Redwood City CA 94065 650 453-0000 false false false false Class A Common Stock, par value $0.00001 per share SEER true false