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CIK 0001459200 · Large accelerated filer

Alarm.com Holdings, Inc.

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Ticker
ALRM
Exchange
Nasdaq
Industry
Services-Prepackaged Software
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
264247032
Phone
877-389-4033
Business address
8281 GREENSBORO DRIVE, SUITE 100, TYSONS, VA, 22102
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$3,183,783
in 2 filings, $2.9M under 10b5-1 plans

Net −$3,183,783. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 19 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-11-20 Trundle Stephen Chief Executive Officer Purchase +9,900 $48.06 $476K 1,315,243
2025-11-20 Trundle Stephen Chief Executive Officer Purchase +100 $48.66 $5K 1,315,343
2025-11-19 Trundle Stephen Chief Executive Officer Purchase +12,469 $48.53 $605K 1,305,343
2025-11-18 Trundle Stephen Chief Executive Officer Purchase +3,531 $48.57 $172K 1,292,874
2018-03-02 NEVIN DARIUS G Director Purchase +10,000 $37.21 $372K 10,000

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