SCHEDULE 13G 0001050442 XXXXXXXX LIVE Common Stock 09/30/2024 0001459200 Alarm.com Holdings, Inc. 011642105 8281 GREENSBORO DRIVE SUITE 100 TYSONS VA 22102 Rule 13d-1(b) DISCIPLINED GROWTH INVESTORS INC /MN MN 2578711.00 296138.00 2874849.00 0.00 2874849.00 5.5 IA Alarm.com Holdings, Inc. 8281 GREENSBORO DRIVE, SUITE 100, TYSONS, VIRGINIA, 22102 Disciplined Growth Investors, Inc 150 South Fifth Street, Suite 2550, Minneapolis, MN 55402 Minnesota Corporation N IA 2,874,849 5.48% 2,578,711 296,138 2,874,849 0 Y N Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. DISCIPLINED GROWTH INVESTORS INC /MN Peter Rieke 11/14/2024