X0508 4 2023-09-20 0 0001720671 HashiCorp, Inc. HCP 0001894737 McJannet David C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 1 1 0 0 CEO and Chairman 0 Class A Common Stock 2023-09-20 4 M 0 36001 A 175524 D Class A Common Stock 2023-09-21 4 C 0 39330 A 214854 D Class A Common Stock 2023-09-21 4 S 0 38689 23.0753 D 176165 D Restricted Stock Units 2023-09-20 4 M 0 7561 0.00 D Class A Common Stock 7561 75605 D Restricted Stock Units 2023-09-20 4 M 0 28440 0.00 D Class A Common Stock 28440 398156 D Restricted Stock Units 2023-09-20 4 M 0 19456 0.00 D Class B Common Stock 19456 97282 D Restricted Stock Units 2023-09-20 4 M 0 19874 0.00 D Class B Common Stock 19874 19876 D Class B Common Stock 2023-09-20 4 M 0 39330 0.00 A Class A Common Stock 39330 182739 D Class B Common Stock 2023-09-21 4 C 0 39330 0.00 D Class A Common Stock 39330 143409 D Class B Common Stock Class A Common Stock 1355425 1355425 I See footnote Class B Common Stock Class A Common Stock 681050 681050 I See footnote Class B Common Stock Class A Common Stock 681050 681050 I See footnote Class B Common Stock Class A Common Stock 60000 60000 I See footnote Each restricted stock unit, or RSU, represents a contingent right to receive one share of Class A Common Stock. 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 $22.90 to $23.245, 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 ten equal quarterly installments beginning on December 20, 2023. The remaining RSUs vest in 14 equal quarterly installments beginning on December 20, 2023. Each RSU represents a contingent right to receive one share of Class B Common Stock. The remaining RSUs vest in five equal quarterly installments beginning on December 20, 2023. The remaining RSUs vest on December 20, 2023. The shares are held of record by a family trust for which the reporting person serves as a trustee. The shares are held of record by the Emerald GST Non-Exempt Trust. The shares are held of record by the Sapphire GST Non-Exempt Trust. The shares are held of record by an additional family trust. /s/ Paul Warenski, by power of attorney 2023-09-22