X0609 4 2026-08-05 0 0002131524 Braveheart Bio, Inc. BRVE 0001774478 Viehbacher Christopher false C/O BRAVEHEART BIO, INC. ONE LETTERMAN DR., BLDG. A, SUITE A4-300 SAN FRANCISCO CA 94129 1 0 0 0 0 Common Stock 2026-08-07 4 P 0 83333 18 A 609519 D Common Stock 150338 I By CAV FAMILY LLC Stock Option (Right to Buy) 18 2026-08-05 4 A 0 30000 0 A 2036-08-04 Common Stock 30000 30000 D The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose. The shares underlying the stock option will vest in full upon the earlier of (i) August 5, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer through such vesting date. /s/ James Paul Rickey, Attorney-in-Fact 2026-08-07