X0609 4 2026-04-27 0002012383 BlackRock, Inc. BLK 0001059246 KAPITO ROBERT false BLACKROCK, INC. 50 HUDSON YARDS NEW YORK NY 10001 1 1 President 0 Shares Of Common Stock (par Value $0.01 Per Share) 2026-04-27 4 S 0 3188 1056.1016 D 215737.4 D Shares Of Common Stock (par Value $0.01 Per Share) 2026-04-27 4 S 0 5364 1056.8553 D 210373.4 D Shares Of Common Stock (par Value $0.01 Per Share) 2026-04-27 4 S 0 187 1057.6045 D 210186.4 D This transaction was executed in multiple trades at prices ranging from $1,055.50 to $1,056.50. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price. Includes Common Stock as well as Restricted Stock Units that will vest over a period of 1 to 3 years. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock. This transaction was executed in multiple trades at prices ranging from $1,056.51 to $1,057.48. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price. This transaction was executed in multiple trades at prices ranging from $1,057.53 to $1,057.75. The price reported represents the weighted average sale price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares sold at each separate price. /s/ R. Andrew Dickson III as Attorney-in-Fact for Robert Kapito 2026-04-28