Post-effective amendment to a registration statement that is not immediately effective upon filing

Cover Page

Cover Page
12 Months Ended
Dec. 31, 2021
Document Information [Line Items]  
Entity Registrant Name Berkshire Grey, Inc.
Document Type POS AM
Amendment Flag false
Entity Central Index Key 0001824734
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false