Stephen Trundle - Nov 18, 2025 Form 4 Insider Report for Alarm.com Holdings, Inc. (ALRM)

Signature
/s/ Daniel Ramos, Attorney-in-Fact
Stock symbol
ALRM
Transactions as of
Nov 18, 2025
Transactions value $
$1,257,281
Form type
4
Date filed
11/20/2025, 06:26 PM
Previous filing
May 27, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Trundle Stephen Chief Executive Officer, Director C/O ALARM.COM HOLDINGS, INC., 8281 GREENSBORO DRIVE SUITE 100, TYSONS /s/ Daniel Ramos, Attorney-in-Fact 2025-11-20 0001643898

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALRM Common Stock Purchase $172K +3.53K +0.27% $48.57 1.29M Nov 18, 2025 By LLC F1, F2
transaction ALRM Common Stock Purchase $605K +12.5K +0.96% $48.53 1.31M Nov 19, 2025 By LLC F2, F3
transaction ALRM Common Stock Purchase $476K +9.9K +0.76% $48.06 1.32M Nov 20, 2025 By LLC F2, F4
transaction ALRM Common Stock Purchase $4.87K +100 +0.01% $48.66 1.32M Nov 20, 2025 By LLC F2
holding ALRM Common Stock 269K Nov 18, 2025 Direct
holding ALRM Common Stock 260K Nov 18, 2025 By Gift Trust F5
holding ALRM Common Stock 9.86K Nov 18, 2025 By Footings Advancement Trust F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.2917 - $48.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.
F2 These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein.
F3 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.14 - $48.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.
F4 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.615 - $48.545, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.
F5 These shares are owned by the Stephen Trundle 2015 Gift Trust (the "Trust"). Certain members of the Reporting Person's immediate family are beneficiaries of the Trust. The Reporting Person disclaims beneficial ownership of the shares owned by the Trust except to the extent, if any, of his pecuniary interest therein.
F6 These shares are owned by the Footings Advancement Trust (the "Advancement Trust"). The Reporting Person has the sole power to vote and dispose of the shares held by the Advancement Trust and certain members of the Reporting Person's immediate family are beneficiaries. The Reporting Person disclaims beneficial ownership of the shares owned by the Advancement Trust except to the extent, if any, of his pecuniary interest therein.

Remarks:

The Reporting Person has agreed to voluntarily disgorge to the Issuer all statutory "profits" pursuant to Section 16(b) of the Securities Exchange Act of 1934, as amended, that resulted from the transactions reported herein.