X0306 4 2021-05-15 0 0001459200 Alarm.com Holdings, Inc. ALRM 0001304655 Valenzuela Steve C/O ALARM.COM HOLDINGS, INC. 8281 GREENSBORO DRIVE, SUITE 100 TYSONS VA 22102 0 1 0 0 Chief Financial Officer Common Stock 2021-05-15 4 A 0 12500 0.00 A 41094 D Employee Stock Option (Right to Buy) 82.51 2021-05-15 4 A 0 12500 0.00 A 2031-05-14 Common Stock 12500 12500 D This security represents restricted stock units (the "RSUs") granted under the Issuer's 2015 Equity Incentive Plan, as amended. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs shall vest in five (5) equal annual installments beginning on May 15, 2022, such that the RSUs shall be fully vested on May 15, 2026, subject to the Reporting Person's continued service with the Issuer through each such date. This option shall vest and become exercisable in sixty (60) equal monthly installments on the 1st day of each calendar month beginning on June 1, 2021, subject to the Reporting Person's continued service with the Issuer through each such date. /s/ Daniel Ramos, Attorney-in-Fact 2021-05-18