X0306 4 2021-12-22 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 Class A Common Stock 2021-12-22 4 C 0 9940 A 9940 I See footnote Class A Common Stock 2021-12-22 4 S 0 3100 85.5006 D 6840 I See footnote Class A Common Stock 2021-12-22 4 S 0 6840 86.7592 D 0 I See footnote Class B Common Stock 2021-12-22 4 C 0 9940 0.00 D Class A Common Stock 9940 1408061 I See footnote Class B Common Stock Class A Common Stock 91550 71674 D 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 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 shares are held of record by a family trust for which the reporting person serves as a trustee.. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.02 to $85.95, 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 (3) and (4) 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 $86.355 to $87.29, inclusive.. 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 2021-12-23