Alarm.com Holdings, Inc (ALRM) insider trading
Every open-market stock purchase and sale by Alarm.com Holdings, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Stephen Trundle (CEO) and 1 other sold $3.2M in the last 90 days.
- Last insider buy: Stephen Trundle (CEO), $476K, 11 months ago.
Last 12 months: insiders bought $1.3M (1 buy) and sold $9.2M (17 sales). Last close $62.49 on Oct 22, 2026.
Recent ALRM insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 2, 2026 | Stephen Trundle (CEO) | Sold (not open market) | — |
| Aug 24, 2026 | Stephen Trundle (CEO) | Sold | $2.9M |
| Aug 24, 2026 | Stephen Trundle (CEO) | Bought (not open market) | $1.6M |
| Aug 24, 2026 | Stephen Trundle (CEO) | Bought (not open market) | — |
| Aug 12, 2026 | Kevin Christopher Bradley (CFO) | Sold | $297K |
| Jul 2, 2026 | Kevin Christopher Bradley (CFO) | Sold | $35.1K |
| Jun 12, 2026 | Daniel Ramos (Insider) | Sold | $93K |
| Jun 10, 2026 | Daniel Ramos (Insider) | Sold | $370K |
| Jun 10, 2026 | Kevin Christopher Bradley (CFO) | Sold | $102K |
| Jun 4, 2026 | Stephen C. Evans (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Cecile Burleigh Harper (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Simone WU (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Timothy P McAdam (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Donald E Clarke (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Darius G Nevin (Insider) | Bought (not open market) | — |
| Jun 4, 2026 | Timothy J. Whall (Insider) | Bought (not open market) | — |
| May 26, 2026 | Stephen Trundle (CEO) | Sold | $266K |
| May 26, 2026 | Daniel Kerzner (Insider) | Sold | $173K |
| May 26, 2026 | Daniel Ramos (Insider) | Sold | $111K |
| May 18, 2026 | Stephen Trundle (CEO) | Sold | $128K |
| May 18, 2026 | Daniel Kerzner (Insider) | Sold | $83.4K |
| May 18, 2026 | Daniel Ramos (Insider) | Sold | $68K |
| Apr 8, 2026 | Stephen Trundle (CEO) | Bought (not open market) | — |
| Apr 8, 2026 | Daniel Kerzner (Insider) | Bought (not open market) | — |
| Apr 8, 2026 | Daniel Ramos (Insider) | Bought (not open market) | — |
Who's trading ALRM
- Stephen Trundle, CEO: bought $1.3M (4 buys), sold $3.3M (3 sales), last Sep 2, 2026
- Kevin Christopher Bradley, CFO: sold $503K (4 sales), last Aug 12, 2026
- Daniel Ramos, Insider: sold $642K (4 sales), last Jun 12, 2026
- Cecile Burleigh Harper, Insider: other filings, last Jun 4, 2026
- Timothy P McAdam, Insider: other filings, last Jun 4, 2026
- Darius G Nevin, Insider: sold $1.7M (1 sale), last Jun 4, 2026
- Timothy J. Whall, Insider: other filings, last Jun 4, 2026
- Donald E Clarke, Insider: other filings, last Jun 4, 2026
- Stephen C. Evans, Insider: sold $60.3K (1 sale), last Jun 4, 2026
- Simone WU, Insider: other filings, last Jun 4, 2026
- Daniel Kerzner, Insider: sold $1.8M (4 sales), last May 26, 2026
- Jeffrey A Bedell, Insider: sold $1.3M (2 sales), last Dec 16, 2025
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