X0508 4 2023-08-16 0 0001743881 BridgeBio Pharma, Inc. BBIO 0001780030 STEPHENSON BRIAN C C/O BRIDGEBIO PHARMA, INC. 3160 PORTER DR., SUITE 250 PALO ALTO CA 94304 0 1 0 0 Secretary, Treasurer & CFO 1 Common Stock 2023-08-16 4 M 0 44994 A 81704 D Common Stock 2023-08-16 4 F 0 22311 29.80 D 59393 D Common Stock 2023-08-17 4 S 0 22683 28.5877 D 36710 D Restricted Stock Units 2023-08-16 4 M 0 1709 0.00 D Common Stock 1709 5130 D Restricted Stock Units 2023-08-16 4 M 0 778 0.00 D Common Stock 778 4669 D Restricted Stock Units 2023-08-16 4 M 0 24193 0.00 D Common Stock 24193 48386 D Restricted Stock Units 2023-08-16 4 M 0 946 0.00 D Common Stock 946 8519 D Restricted Stock Units 2023-08-16 4 M 0 17368 0.00 D Common Stock 17368 243157 D Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Includes 302 shares acquired by the Reporting Person on August 15, 2023 pursuant to the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3. Represents the number of shares of the Issuer's Common Stock withheld to satisfy the Reporting Person's tax obligation in connection with the vesting of 44,994 shares of Common Stock underlying the Reporting Person's RSUs. This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 6, 2022. Represents the weighted average sale price of the shares sold from $28.07 to $29.84 per share. The Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price for all transactions as reported herein. The RSUs vest with respect to 1/16th of the underlying shares on August 16, 2020. Thereafter, 1/16th of the underlying shares shall vest on a quarterly basis, subject to the Reporting Person's continued service with the Issuer or any of its subsidiaries through each vesting date. The RSUs have no expiration date. The RSUs vest with respect to 1/16th of the underlying shares on May 16, 2021. Thereafter, 1/16th of the underlying shares shall vest on a quarterly basis, subject to the Reporting Person's continued service with the Issuer or any of its subsidiaries through each vesting date. The RSUs have no expiration date. The RSUs vest with respect to 1/8th of the underlying shares on May 16, 2022. Thereafter, 1/8th of the underlying shares shall vest on a quarterly basis, subject to the Reporting Person's continued service to the Issuer or any of its subsidiaries through each vesting date. The RSUs have no expiration date. The RSUs vest with respect to 25% of the underlying shares on November 16, 2022. Thereafter, 1/16th of the underlying shares shall vest on a quarterly basis, subject to the Reporting Person's continued service to the Issuer or any of its subsidiaries through each vesting date. The RSUs have no expiration date. The RSUs vest with respect to 1/16th of the underlying shares on May 16, 2023. Thereafter, 1/16th of the underlying shares shall vest on a quarterly basis, subject to the Reporting Person's continued service with the Issuer or any of its subsidiaries through each vesting date. The RSUs have no expiration date. /s/ Brian C. Stephenson 2023-08-18