 CONCORD, Calif., April 15, 2021 GLOBE NEWSWIRE -- AssetMark Financial Holdings, Inc. NYSE: AMK today announced that it will release financial results for its quarter ended March 31, 2021 after the U.S. market close on Tuesday, May 4, 2021. AssetMark will host a conference call and webcast that day at 5:00 pm ET to discuss its results. 