A former vice president and co-treasurer of the Sag Harbor P.T.A. was arrested Tuesday on charges that she stole more than $10,000 from P.T.A. bank accounts.

Margaret Garrett, a dancer turned artist, will illuminate Martha Graham’s “The 19 Poses,” and Xin Ying of the dance company will perform two solo works from its repertoire.

Brendan Johnston, a new trustee of the Southampton Arts Center, is doing double duty as the venue’s new artist in residence, painting and interacting with the public in the galleries.

At a time of threats to press freedom and rampant misinformation, the Sag Harbor Cinema is showing two films that pay tribute to independent journalism.