X0206 3 2018-06-19 0 0001731831 Eidos Therapeutics, Inc. EIDX 0001743029 Siu Christine C/O EIDOS THERAPEUTICS, INC. 101 MONTGOMERY STREET, SUITE 2550 SAN FRANCISCO CA 94104 0 1 0 0 See Remarks Stock Option (right to buy) 0.15 2017-03-06 2027-03-05 Common Stock 10871 D Stock Option (right to buy) 0.59 2027-12-21 Common Stock 278853 D The shares subject to this option vest and become exercisable in 48 equal monthly installments after December 1, 2017, subject to the Reporting Person's continuous service to the Issuer through each such vesting date. Chief Financial Officer and Secretary Exhibit 24.1 - Power of Attorney /s/ Franco Valle, Attorney-in-Fact 2018-06-19