X0306 4 2020-02-03 0001437958 COASTAL FINANCIAL CORP CCB 0001299647 Sprink Eric M 5415 EVERGREEN WAY EVERETT WA 98203 1 1 President & CEO Common Stock 2020-02-03 4 A 0 18636 0 A 32762 D Represents award of time-based restricted stock units (RSUs) pursuant to the Coastal Financial Corp. 2018 Omnibus Incentive Plan. The RSUs vest in ten approximately equal installments commencing on February 3, 2021. Each restricted stock unit represents the right to receive one share of common stock upon vesting. /s/ Melisa Nelson, as Attorney-in-fact 2020-02-14