0001453687 2022-01-03 2022-01-03 false MA 0001453687 8-K 2022-01-03 SELECTA BIOSCIENCES INC DE 001-37798 26-1622110 65 Grove Street Watertown 02472 617 923-1400 false false false false Common Stock, $0.0001 par value per share SELB NASDAQ true true