X0306 4 2022-02-24 0 0001468748 Kodiak Sciences Inc. KOD 0001754181 PERLROTH VICTOR 1200 PAGE MILL ROAD PALO ALTO CA 94304 1 1 1 0 Chairman and CEO Common Stock 2022-02-24 4 S 0 1000000 9.2017 D 2508038 D Common Stock 2022-02-25 4 S 0 340000 8.9882 D 2168038 D 2,000,000 shares of common stock owned by the Reporting Person were pledged as collateral to secure obligations under a loan entered into in connection with a previously disclosed Stipulation for Settlement with the Reporting Person's spouse. The sales reported in this Form 4 were sold pursuant to a contractual enforcement action, pursuant to which the pledgee bank unilaterally liquidated the shares. The Reporting Person was not involved in the determination to sell such shares. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $8.95 to $9.49, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in these footnotes. The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $8.72 to $9.40, inclusive. /s/ David Peinsipp, Attorney-in-Fact for Victor Perlroth 2022-02-28