X0306 4 2018-12-01 0 0001579910 Resonant Inc RESN 0001114331 HAMMOND ROBERT B C/O RESONANT INC. 175 CREMONA DRIVE, SUITE 200 GOLETA CA 93117 0 1 0 0 Chief Technology Officer Common Stock 2018-12-01 4 M 0 11250 A 466672 D Common Stock 2018-12-01 4 M 0 8683 A 475355 D Common Stock 2018-12-04 4 S 0 7140 1.7027 D 468215 D Restricted Stock Units 2018-12-01 4 M 0 11250 0 D Common Stock 11250 22500 D Restricted Stock Units 2018-12-01 4 M 0 8683 0 D Common Stock 8683 26049 D Each restricted stock unit represents a contingent right to receive one share of Resonant Inc. common stock. This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person to satisfy the reporting person's tax withholding obligations upon the vesting of restricted stock units. This transaction was executed in multiple trades at prices ranging from $1.67 to $1.74. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. 11,250 restricted stock units vested on each of December 1, 2017 and December 1, 2018, and installments of 11,250 restricted stock units will vest on each of December 1, 2019 and December 1, 2020. 8,683 restricted stock units vested on December 1, 2018, and installments of 8,683 restricted stock units will vest on each of December 1, 2019, December 1, 2020 and December 1, 2021. /s/George B. Holmes, Attorney-In-Fact 2018-12-05