X0306 4 2022-06-08 0 0001591587 AssetMark Financial Holdings, Inc. AMK 0001782585 Mehta Mukesh C/O ASSETMARK FINANCIAL HOLDINGS, INC. 1655 GRANT STREET, 10TH FLOOR CONCORD CA 94520 0 1 0 0 EVP, Chief Information Officer Common Stock 2022-06-08 4 A 0 19297 0.00 A 282413 D Common Stock 2022-06-09 4 S 0 1585 20.00 D 280828 D Common Stock 2022-06-10 4 S 0 877 19.06 D 279951 D Stock Appreciation Right 20.92 2022-06-08 4 A 0 82703 0.00 A 2032-06-08 Common Stock 82703 82703 D Consists of restricted stock units that vest in four equal annual installments on the first four anniversaries of the date of grant and settle in shares of common stock of the issuer. Reflects the number of shares of Common Stock that were sold to satisfy tax withholding requirements on vesting of restricted stock units pursuant to mandatory "sell to cover" provisions contained in the Reporting Person's RSU Agreement, and does not represent a discretionary sale by the Reporting Person. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees. The stock appreciation right vests in four equal annual installments on the first four anniversaries of the date of grant. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes and fees. /s/ Celeste Angelich, as Attorney-in-Fact, for Mukesh Mehta 2022-06-10