Chappelle will receive the award during the Kennedy Center gala on Oct. 27, 2019.
"What this film seeks to do is humanize Sandy as a person. I think that we achieved that very well," Sandra Bland's sister, Sharon Cooper, said.
'Say Her Name: The Life and Death of Sandra Bland' will air in December.
The Houston Museum of African-American Culture opened an exhibition for Black History Month that honors Sandra Bland.
A perjury charge against the former Texas state trooper who pulled over and arrested Sandra Bland was dismissed.