Share
24th September 2015
03:04pm BST
The pair wed in 2006.
A separate insider told the publication: "Glenn and David have been telling friends over the summer they are divorcing, and he'll remain living in Maine while Glenn moves back to New York full-time.
"They've been separated for some time, and things are amicable between them."
David was Glenn's third husband - she married songwriter Cabot Wade in 1969 and James Marlas in 1984.
The pair recently announced their split to friends and family.
The six-time Oscar nominee once opened up to People about her views on relationships.
She said at the time: "Too many women define themselves in terms of a man.
"Men blossom under the nurturing of a good woman, while women don't often get that benefit from a man.
"I think of men and women as two different species. Katharine Hepburn said they should live next door and visit each other once in a while. Not a bad idea."
