X0609 4 2026-09-14 0 0001671933 Trade Desk, Inc. TTD 0001671445 Green Jeffrey Terry false C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 1 1 1 0 President and CEO 0 Employee Stock Option (Right to Buy) 14.97 2026-09-14 4 A 0 7000000 0 A 2036-09-14 Class A Common Stock 7000000 7000000 D The shares subject to the option vest in seven tranches--1,200,000 shares, 1,200,000 shares, 1,200,000 shares, 1,000,000 shares, 800,000 shares, 800,000 shares, and 800,000 shares, respectively-- over a ten-year term beginning on September 14, 2026, (the "Grant Date"), and ending on September 14, 2036, if the closing price of the Issuer's Class A Common Stock measured over any 20-consecutive-trading-day period equals or exceeds $18.00, $30.00, $45.00, $60.00, $75.00, $90.00, or $105.00, respectively, subject to continued service as the Issuer's Chief Executive Officer or providing any other service to the Issuer that the Issuer's board of directors determines to be sufficient, each as of the applicable vesting date. /s/ Kelli Faerber, Attorney-in-Fact for Jeffrey Terry Green 2026-09-16