X0306 4 2023-03-17 0 0001591587 AssetMark Financial Holdings, Inc. AMK 0001782762 Kim Michael C/O ASSETMARK FINANCIAL HOLDINGS, INC. 1655 GRANT STREET, 10TH FLOOR CONCORD CA 94520 0 1 0 0 President & CCO Common Stock 2023-03-17 4 G 0 250000 0.00 A 322550 D Common Stock 2023-03-17 4 G 0 250000 0.00 D 41390 I Kim Family Trust Common Stock 1930 I Child Shares transferred from the Kim Family Trust, dated July 30, 2016, to the Reporting Person. Shares held by The Kim Family Trust, dated July 30, 2016. The Reporting Person disclaims beneficial ownership of the shares held directly by his college-aged child, and this report should not be deemed an admission that the Reporting Person is the beneficial owner of the shares held in trust for purposes of Section 16 or for any other purpose. /s/ Celeste Angelich, as Attorney-in-Fact, for Michael Kim 2023-03-17