X0306 4 2022-06-15 0 0001642896 Samsara Inc. IOT 0001375800 Chadwick Jonathan C/O SAMSARA INC., 350 RHODE ISLAND ST. 4TH FLOOR, SOUTH BUILDING SAN FRANCISCO CA 94103 1 0 0 0 Class A Common Stock 2022-06-15 4 C 0 30515 0.00 A 61031 D Class B Common Stock 2022-06-15 4 M 0 30515 0.00 D Class B Common Stock 30515 274639 D Class B Common Stock 0.00 2022-06-15 4 M 0 30515 0.00 A Class A Common Stock 30515 183091 D Class B Common Stock 0.00 2022-06-15 4 C 0 30515 0.00 D Class A Common Stock 30515 152576 D The reported shares are represented by restricted stock units, or RSUs, of which 30,515 vested on June 15, 2022 and the remaining shares vest in quarterly installments through September 15, 2024. Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer Class B Common Stock. The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis. /s/ Adam Eltoukhy, attorney-in-fact on behalf of Jonathan Chadwick 2022-06-17