X0508 4 2023-09-20 0 0001720671 HashiCorp, Inc. HCP 0001894601 Holmes Marc C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 0 1 0 0 Chief Marketing Officer 0 Class A Common Stock 2023-09-20 4 M 0 8188 A 47187 D Class A Common Stock 2023-09-21 4 C 0 8650 A 55837 D Class A Common Stock 2023-09-21 4 S 0 6423 23.0761 D 49414 D Class A Common Stock 2023-09-22 4 C 0 42403 A 91817 D Class A Common Stock 2023-09-22 4 S 0 85659 23.1826 D 6158 D Restricted Stock Units 2023-09-20 4 M 0 1470 0.00 D Class A Common Stock 1470 14702 D Restricted Stock Units 2023-09-20 4 M 0 6718 0.00 D Class A Common Stock 6718 94053 D Restricted Stock Units 2023-09-20 4 M 0 8650 0.00 D Class B Common Stock 8650 43250 D Class B Common Stock 2023-09-20 4 M 0 8650 0.00 A Class A Common Stock 8650 37137 D Class B Common Stock 2023-09-21 4 C 0 8650 0.00 D Class A Common Stock 8650 28487 D Employee Stock Option (right to buy) 5.315 2023-09-22 4 M 0 13916 0.00 D 2029-02-28 Class B Common Stock 13916 287094 D Class B Common Stock 2023-09-22 4 M 0 13916 0.00 A Class A Common Stock 13916 42403 D Class B Common Stock 2023-09-22 4 C 0 42403 0.00 D Class A Common Stock 42403 0 D 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 $23.25, 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 within the ranges set forth in footnotes (4) and (6) to this Form 4. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 23, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.82 to $23.54, inclusive. 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. Shares subject to the option are fully vested and immediately exercisable. /s/ Paul Warenski, by power of attorney 2023-09-22