X0306 4 2020-02-21 0 0001459200 Alarm.com Holdings, Inc. ALRM 0001429463 WU Simone C/O ALARM.COM HOLDINGS, INC. 8281 GREENSBORO DRIVE, SUITE 100 TYSONS VA 22102 1 0 0 0 Common Stock 2020-02-21 4 A 0 4128 0.00 A 4128 D This security represents restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The shares underlying the restricted stock unit will vest in full on the day immediately preceding the Issuer's 2021 Annual Meeting of Stockholders, provided the Reporting Person remains a director of the Issuer on such vesting date. /s/ Daniel Ramos, Attorney-in-Fact 2020-02-25