X0508 4 2023-11-28 0001583708 SentinelOne, Inc. S 0001305473 Insight Holdings Group, LLC C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001844845 Insight Venture Associates X, L.P. 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001803240 Insight Venture Associates X, Ltd. PO BOX 309, UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS true 0001710860 Insight Venture Partners (Cayman) X, L.P. PO BOX 309, UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS true 0001710835 Insight Venture Partners (Delaware) X, L.P. 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001710834 Insight Venture Partners X (Co-Investors), L.P. PO BOX 309, UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS true 0001710959 Insight Venture Partners X, L.P. PO BOX 309, UGLAND HOUSE GRAND CAYMAN E9 KY1-1104 CAYMAN ISLANDS true false Class A Common Stock 2023-11-28 4 C 0 1573422 A 3146844 I See footnote Class A Common Stock 2023-11-28 4 C 0 1290225 A 2580450 I See footnote Class A Common Stock 2023-11-28 4 C 0 249581 A 499162 I See footnote Class A Common Stock 2023-11-28 4 C 0 37437 A 74874 I See footnote Class B Common Stock 2023-11-28 4 C 0 1573422 0 D Class A Common Stock 1573422 12587381 I See footnote Class B Common Stock 2023-11-28 4 C 0 1290225 0 D Class A Common Stock 1290225 10321803 I See footnote Class B Common Stock 2023-11-28 4 C 0 249581 0 D Class A Common Stock 249581 1996653 I See footnote Class B Common Stock 2023-11-28 4 C 0 37437 0 D Class A Common Stock 37437 299498 I See footnote See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 See Exhibit 99.1 Exhibit List Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Signatures Exhibit 99.3 - Joint Filer Information Insight Holdings Group, LLC, by Andrew Prodromos, Attorney-in-Fact; By: /s/Andrew Prodromos 2023-11-28