The ACLU says Sandberg's contribution will help fight abortion bans and support ballot measures that protect abortion access across the country.
The privacy suit stems from a scandal involving Facebook user data and targeted political ads.
Meta CEO will be deposed for up to 6 hours in September, court filings show.
Sandberg has been at Meta, formerly known as Facebook, for 14 years.
Facebook said last year it mistakenly took down pages of the Australian government and emergency services. Whistleblowers say it was intentional.
Facebook rejects claims made in a new book that policy issues have driven a wedge between the company's two top execs.
The social network will also match up to $7 million in eligible donations to US nonprofits on Dec. 1.
COO Sheryl Sandberg says the social network has made progress in removing hateful content but must get better.
Social media addicts, rejoice.
The social network is directing users to the Census Bureau's website.
The spread of misinformation is still a big problem for social networks.
Sandberg's late husband, SurveyMonkey CEO Dave Goldberg, died in 2015. Her 2017 book focused on dealing with grief following his death.
