Alarm.com Holdings, Inc. insider trading
ALRM$54.68-0.18 (-0.33% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+4.6%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- STStephen Trundle3.8862%
- JAJeffrey A. Bedell1.0304%
- TPTimothy P. McAdam0.2115%
- DKDaniel Kerzner0.206%
- KCKevin Christopher Bradley0.1593%
- DRDaniel Ramos0.1082%
- SVSteve Valenzuela0.0764%
- DEDonald E. Clarke0.0717%
- DGDarius G. Nevin0.0613%
- SWSimone Wu0.0323%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ALRM | Kevin Christopher Bradley | Open market sell$297K | -6.5% | $55.07 | $297K | Aug 12, 2026 | Aug 14, 2026 |
| ALRM | Kevin Christopher Bradley | Open market sell$35.1K | -0.9% | $48.46 | $35.1K | Jul 2, 2026 | Jul 2, 2026 |
| ALRM | Daniel Ramos | Open market sell$93K | -3.6% | $46.50 | $93K | Jun 12, 2026 | Jun 12, 2026 |
| ALRM | Daniel Ramos | Open market sell$370K | -12.7% | $46.23 | $370K | Jun 10, 2026 | Jun 12, 2026 |
| ALRM | Kevin Christopher Bradley | Open market sell$102K | -2.5% | $46.15 | $102K | Jun 10, 2026 | Jun 12, 2026 |
| ALRM | Stephen Trundle | Open market sell$266K | -0.3% | $43.78 | $266K | May 26, 2026 | May 28, 2026 |
| ALRM | Daniel Ramos | Open market sell$111K | -3.9% | $43.78 | $111K | May 26, 2026 | May 28, 2026 |
| ALRM | Daniel Kerzner | Open market sell$173K | -3.8% | $43.78 | $173K | May 26, 2026 | May 28, 2026 |
| ALRM | Daniel Kerzner | Open market sell$83.4K | -1.8% | $43.56 | $83.4K | May 18, 2026 | May 20, 2026 |
| ALRM | Daniel Ramos | Open market sell$68K | -2.3% | $43.56 | $68K | May 18, 2026 | May 20, 2026 |
| ALRM | Stephen Trundle | Open market sell$128K | -0.2% | $43.56 | $128K | May 18, 2026 | May 20, 2026 |
| ALRM | Kevin Christopher Bradley | Open market sell$69.4K | -2.9% | $45.97 | $69.4K | Mar 18, 2026 | Mar 19, 2026 |
| ALRM | Stephen C. Evans | Open market sell$60.3K | -15.9% | $52.27 | $60.3K | Dec 12, 2025 | Dec 16, 2025 |
| ALRM | Stephen Trundle | Open market purchase$4.87K | 0.0% | $48.66 | $4.87K | Nov 20, 2025 | Nov 20, 2025 |
| ALRM | Stephen Trundle | Open market purchase$476K | +0.5% | $48.06 | $476K | Nov 20, 2025 | Nov 20, 2025 |
| ALRM | Stephen Trundle | Open market purchase$605K | +0.7% | $48.53 | $605K | Nov 19, 2025 | Nov 20, 2025 |
| ALRM | Stephen Trundle | Open market purchase$172K | +0.2% | $48.57 | $172K | Nov 18, 2025 | Nov 20, 2025 |
| ALRM | Daniel Kerzner | Open market sell$1.01M | -27.8% | $50.29 | $1.01M | Nov 12, 2025 | Nov 14, 2025 |