No insider purchase over the last 90 days. The latest, by Trundle Stephen, was filed 20 Nov 2025.
This page follows insider dealings at Alarm.com Holdings, Inc. as filed with SEC (Form 4), a company from the Technology sector based in Vienna, United States. The group dates from 2000. In the past year (20 October 2025 to 20 October 2026), 37 filings came from 16 insiders.
Purchases and sales both appear in the filings: 1 purchase (1 insider, €148k) and 13 sales (6 insiders, €4.8M). The net balance comes to €4.7M on the selling side. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Trundle Stephen filed the largest sale, €2.5M, on 25 August 2026, which represents 0.11% of the company's market value. Among those who bought: 1 chief executive.
The last insider purchase was made public on 20 November 2025, 335 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. For comparison, the SEC allows two business days to file a Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
Across the 5,453 companies tracked on its exchange, the median is 22 filings; at 37 filings, this issuer sits above that mark. Our records for Alarm.com Holdings, Inc. go back to 2016, with 2 purchases and 354 sales on the open market in total. On the fundamentals side, the SEC filing (10-K) for the period ending 31 December 2025 lists revenue at 1.01 bn USD and net income at 131.6 m USD.
These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
FY ended December 2025 · cache
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Alarm.com Holdings, Inc. is a U.S.-based technology company listed on the NASDAQ under the ticker ALRM, with headquarters in Tysons, Virginia, United States. Founded in 2000, the company has built its franchise around a cloud platform for the “intelligently connected property” — a broader concept than traditional alarm monitoring that combines security, video, access control, automation, and energy management into a recurring software-driven ecosystem. For investors, Alarm.com should be viewed as a vertical software and IoT platform provider with a strong services overlay, rather than as a pure hardware vendor. ([investors.alarm.com](https://investors.alarm.com/news-releases/press-release-details/2012/Alarmcom-Announces-Investment-by-Technology-Crossover-Ventures/default.aspx?utm_source=openai))
Alarm.com’s core business is its cloud-based Alarm.com segment, which the company describes as its platform for intelligently connected properties and related solutions. The offering is delivered through a large network of professional service providers across North America and abroad, supporting residential, multifamily, small-business, and enterprise-commercial customers. Key product categories include interactive security, remote video monitoring, intelligent automation, access control, and energy management, with EnergyHub providing grid-edge flexibility and distributed energy resource management capabilities. This multi-product architecture supports cross-sell opportunities, deeper customer stickiness, and a growing share of software and subscription revenue. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1459200/000145920026000005/alrm-20251231.htm?utm_source=openai))
From a competitive standpoint, Alarm.com benefits from an integrated platform model and a channel-led go-to-market strategy. It does not rely primarily on direct-to-consumer installation; instead, it works through alarm dealers, security integrators, monitoring centers, and service providers. That structure helps create switching costs and channel loyalty, while the breadth of the platform makes it more difficult for point-solution competitors to replicate the end-to-end offering. The company’s recent disclosures also suggest continued operational momentum, with 2025 results highlighting growth in SaaS and license revenue, alongside management emphasis on video, AI-enabled search, and commercial expansion. ([investors.alarm.com](https://investors.alarm.com/news-releases/press-release-details/2026/Alarm-com-Reports-Fourth-Quarter-and-Full-Year-2025-Results/default.aspx?utm_source=openai))
Recent business developments have been important. In 2025, Alarm.com announced a majority-stake acquisition of CHeKT, a cloud platform for proactive remote video monitoring, strengthening its video monitoring stack. It also announced a strategic partnership with Everon to deliver a unified commercial security solution that combines intrusion protection, video monitoring, access control, and business-management tools. In addition, the company highlighted new AI-powered video capabilities, including natural-language video search, and expanded its video doorbell lineup. Its 2025 annual report also referenced the acquisitions of BTR and Resideo Grid Services (RGS), reinforcing the company’s push into adjacent security and energy-management markets. ([investors.alarm.com](https://investors.alarm.com/news-releases/press-release-details/2025/Alarm.com-Acquires-CHeKT-a-Leader-in-Proactive-Video-Monitoring-Solutions/default.aspx?utm_source=openai))
Headquarters: Vienna, United States · Founded: 2000 · Wikipedia article
Source: Wikidata (CC0).
| Fiscal year end | Revenue | Net income | Diluted EPS | Filing |
|---|---|---|---|---|
| Dec 2025 | 1.01 bn USD | 131.6 m USD | 2.46 USD | 10-K |
| Dec 2024 | 939.8 m USD | 122.5 m USD | 2.29 USD | 10-K |
| Dec 2023 | 881.7 m USD | 80.3 m USD | 1.53 USD | 10-K |
| Dec 2022 | 842.6 m USD | 55.6 m USD | 1.07 USD | 10-K |
| Dec 2021 | 749.0 m USD | 51.2 m USD | 1.01 USD | 10-K |
Amounts in USD, as filed (forms 10-K, 20-F or 40-F). Source: SEC EDGAR.