X0306 4 2021-12-08 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 Common Stock 2021-12-08 4 A 0 138400 0.00 A 138400 D Common Stock 2021-12-08 4 A 0 95000 0.00 A 233400 D Common Stock 2021-12-09 4 M 0 12990 5.315 A 246390 D Common Stock 2021-12-09 4 S 0 5631 83.122 D 240759 D Common Stock 2021-12-09 4 S 0 5200 84.0383 D 235559 D Common Stock 2021-12-09 4 S 0 1559 84.8004 D 234000 D Common Stock 2021-12-09 4 S 0 300 85.90 D 233700 D Common Stock 2021-12-09 4 S 0 100 86.70 D 233600 D Common Stock 2021-12-09 4 S 0 200 88.15 D 233400 D Employee Stock Option (right to buy) 5.315 2021-12-09 4 M 0 12990 0.00 D 2029-02-28 Common Stock 12990 301010 D Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share of Common Stock shall be reclassified into one share of Class B Common Stock. The reported shares are represented by restricted stock units, or RSUs, which vest as to 25% on January 31, 2022 and the remaining shares vest in twelve equal quarterly installments beginning on March 20, 2022. Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share underlying these RSUs shall be reclassified into one share of Class B Common Stock. The reported shares are represented by RSUs which vest as to 50% on December 9, 2023 and the remaining shares vest in eight equal quarterly installments beginning on December 20, 2023. Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share underlying these RSUs shall be reclassified into one share of Class A Common Stock. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.55 to $$83.45, 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) through (8) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.55 to $84.51, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.56 to $85.50, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.60 to $86.30, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.95 to $88.35, inclusive. The shares underlying the option vested as to 25% of the total shares on February 19, 2020 and the remaining shares vest in 36 equal monthly installments thereafter. /s/ Paul Warenski, by power of attorney 2021-12-10