Alarm.com Holdings, Inc. (ALRM) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that Alarm.com Holdings's three principal insider shareholders consist of Chief Executive Officer Stephen Trundle (1.58Mn shares), Officer Jeffrey A Bedell (505.81K shares), Director Timothy P Mcadam (100.62K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Stephen Trundle Chief Executive Officer 1,584,202 27 May, 2025
Jeffrey A Bedell Nan 505,805 18 Dec, 2025
Timothy P Mcadam 100,616 28 Nov, 2025
Kevin Christopher Bradley Chief Financial Officer 53,056 02 Jul, 2025
Daniel Kerzner Nan 52,000 14 Nov, 2025
Daniel Ramos Nan 42,192 27 May, 2025
Steve Valenzuela Chief Financial Officer 37,500 14 Mar, 2025
Darius G Nevin 24,375 06 Jun, 2025
Donald E Clarke 16,852 06 Jun, 2025
Simone Wu 12,633 06 Jun, 2025
Timothy J. Whall 11,182 06 Jun, 2025
Stephen C. Evans 6,123 16 Dec, 2025
Cecile Burleigh Harper 4,814 06 Jun, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Dec, 2025 Jeffrey A Bedell Common Stock D 22,727 $51.82 505,805 D S
16 Dec, 2025 Jeffrey A Bedell Common Stock A 22,727 $15.02 528,532 D M
12 Dec, 2025 Jeffrey A Bedell Common Stock A 2,273 $15.02 508,078 D M
12 Dec, 2025 Jeffrey A Bedell Common Stock D 2,273 $52.51 505,805 D S
12 Dec, 2025 Stephen C. Evans Common Stock D 1,154 $52.27 6,123 D S
25 Nov, 2025 Timothy P Mcadam Common Stock D 7,000 $0.00 100,616 D G
20 Nov, 2025 Stephen Trundle Common Stock A 9,900 $48.06 1,315,243 I P
20 Nov, 2025 Stephen Trundle Common Stock A 100 $48.66 1,315,343 I P
19 Nov, 2025 Stephen Trundle Common Stock A 12,469 $48.53 1,305,343 I P
18 Nov, 2025 Stephen Trundle Common Stock A 3,531 $48.57 1,292,874 I P
13 Nov, 2025 Daniel Kerzner Common Stock D 10,000 $50.33 52,000 D S
13 Nov, 2025 Daniel Kerzner Common Stock A 10,000 $15.02 62,000 D M
12 Nov, 2025 Daniel Kerzner Common Stock D 20,004 $50.29 52,000 D S
02 Jul, 2025 Kevin Christopher Bradley Common Stock D 754 $56.75 53,056 D S
02 Jul, 2025 Kevin Christopher Bradley - - 53,056 D
11 Jun, 2025 Stephen C. Evans Common Stock D 1,000 $59.64 7,277 D S
05 Jun, 2025 Darius G Nevin Common Stock A 2,510 $0.00 24,375 D A
05 Jun, 2025 Darius G Nevin - - 24,375 D
05 Jun, 2025 Donald E Clarke Common Stock A 2,510 $0.00 14,953 D A
05 Jun, 2025 Simone Wu Common Stock A 2,510 $0.00 12,633 D A