X0407 4 2023-06-20 0 0001720671 HashiCorp, Inc. HCP 0001894766 Sweeney Brandon C/O HASHICORP, INC 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 0 1 0 0 Chief Revenue Officer 0 Class A Common Stock 2023-06-20 4 M 0 11197 A 135897 D Class A Common Stock 2023-06-21 4 C 0 54325 A 190222 D Class A Common Stock 2023-06-21 4 S 0 33887 26.4914 D 156335 D Restricted Stock Units 2023-06-20 4 M 0 3360 0.00 D Class A Common Stock 3360 36963 D Restricted Stock Units 2023-06-20 4 M 0 7837 0.00 D Class A Common Stock 7837 117567 D Restricted Stock Units 2023-06-20 4 M 0 4325 0.00 D Class B Common Stock 4325 25950 D Restricted Stock Units 2023-06-20 4 M 0 50000 0.00 D Class B Common Stock 50000 100000 D Class B Common Stock 2023-06-20 4 M 0 54325 0.00 A Class A Common Stock 54325 296225 D Class B Common Stock 2023-06-21 4 C 0 54325 0.00 D Class A Common Stock 54325 241900 D Each restricted stock unit, or RSU, represents a contingent right to receive one share of Class A Common Stock. Includes 500 shares of Class A Common Stock acquired under the Issuer's Employee Stock Purchase Plan on June 15, 2023. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of RSUs. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.24 to $26.68, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The remaining RSUs vest in eleven equal quarterly installments beginning on September 20, 2023. The remaining RSUs vest in fifteen equal quarterly installments beginning on September 20, 2023. Each RSU represents a contingent right to receive one share of Class B Common Stock. The remaining RSUs vest in six equal quarterly installments beginning on September 20, 2023. The remaining RSUs vest in two equal quarterly installments beginning on September 20, 2023. /s/ Paul Warenski, by power of attorney 2023-06-22