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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker ALRM
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Nov 10, 2026 | Donald E. Clarke Director | ALRM Alarm.com Holdings, Inc. | Sale | 4,624 | $64.94 | $300.3K Sale | Form 4 ↗ |
| Aug 24, 2026 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 50,000 | $57.67 | $2.9M Sale | Form 4 ↗ |
| Aug 12, 2026 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 5,400 | $55.07 | $297.4K Sale | Form 4 ↗ |
| Jul 2, 2026 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 724 | $48.46 | $35.1K Sale | Form 4 ↗ |
| Jun 12, 2026 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,000 | $46.50 | $93.0K Sale | Form 4 ↗ |
| Jun 10, 2026 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 8,000 | $46.23 | $369.8K Sale | Form 4 ↗ |
| Jun 10, 2026 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 2,200 | $46.15 | $101.5K Sale | Form 4 ↗ |
| May 26, 2026 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 6,073 | $43.78 | $265.9K Sale | Form 4 ↗ |
| May 26, 2026 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,532 | $43.78 | $110.9K Sale | Form 4 ↗ |
| May 26, 2026 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 3,944 | $43.78 | $172.7K Sale | Form 4 ↗ |
| May 18, 2026 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 1,915 | $43.56 | $83.4K Sale | Form 4 ↗ |
| May 18, 2026 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 1,561 | $43.56 | $68.0K Sale | Form 4 ↗ |
| May 18, 2026 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 2,944 | $43.56 | $128.2K Sale | Form 4 ↗ |
| Mar 18, 2026 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 1,510 | $45.97 | $69.4K Sale | Form 4 ↗ |
| Mar 18, 2026 | Darius G. Nevin Director | ALRM Alarm.com Holdings, Inc. | Sale | 36,000 | $46.17 | $1.7M Sale | Form 4 ↗ |
| Dec 16, 2025 | Jeffrey A. Bedell See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 22,727 | $51.82 | $1.2M Sale | Form 4 ↗ |
| Dec 12, 2025 | Jeffrey A. Bedell See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,273 | $52.51 | $119.4K Sale | Form 4 ↗ |
| Dec 12, 2025 | Stephen C. Evans Director | ALRM Alarm.com Holdings, Inc. | Sale | 1,154 | $52.27 | $60.3K Sale | Form 4 ↗ |
| Nov 20, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Buy | 100 | $48.66 | $4,866 Buy | Form 4 ↗ |
| Nov 20, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Buy | 9,900 | $48.06 | $475.8K Buy | Form 4 ↗ |
| Nov 19, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Buy | 12,469 | $48.53 | $605.1K Buy | Form 4 ↗ |
| Nov 18, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Buy | 3,531 | $48.57 | $171.5K Buy | Form 4 ↗ |
| Nov 13, 2025 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 10,000 | $50.33 | $503.3K Sale | Form 4 ↗ |
| Nov 12, 2025 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 20,004 | $50.29 | $1.0M Sale | Form 4 ↗ |
| Jul 2, 2025 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 754 | $56.75 | $42.8K Sale | Form 4 ↗ |
| Jun 11, 2025 | Stephen C. Evans Director | ALRM Alarm.com Holdings, Inc. | Sale | 1,000 | $59.64 | $59.6K Sale | Form 4 ↗ |
| May 27, 2025 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 7,000 | $57.68 | $403.8K Sale | Form 4 ↗ |
| May 23, 2025 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 1,762 | $56.66 | $99.8K Sale | Form 4 ↗ |
| May 23, 2025 | Jeffrey A. Bedell See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,204 | $56.66 | $124.9K Sale | Form 4 ↗ |
| May 23, 2025 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,213 | $56.66 | $125.4K Sale | Form 4 ↗ |
| May 23, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 3,644 | $56.66 | $206.5K Sale | Form 4 ↗ |
| May 16, 2025 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 1,646 | $59.51 | $98.0K Sale | Form 4 ↗ |
| May 16, 2025 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 2,019 | $59.51 | $120.2K Sale | Form 4 ↗ |
| May 16, 2025 | Kevin Christopher Bradley Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 390 | $59.51 | $23.2K Sale | Form 4 ↗ |
| May 16, 2025 | Jeffrey A. Bedell See Remarks. | ALRM Alarm.com Holdings, Inc. | Sale | 2,019 | $59.51 | $120.2K Sale | Form 4 ↗ |
| May 16, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 3,626 | $59.51 | $215.8K Sale | Form 4 ↗ |
| May 14, 2025 | Daniel Ramos See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 6,890 | $60.06 | $413.8K Sale | Form 4 ↗ |
| Apr 2, 2025 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 1,553 | $55.49 | $86.2K Sale | Form 4 ↗ |
| Apr 2, 2025 | Daniel Kerzner | ALRM Alarm.com Holdings, Inc. | Sale | 932 | $55.49 | $51.7K Sale | Form 4 ↗ |
| Apr 2, 2025 | Jeffrey A. Bedell | ALRM Alarm.com Holdings, Inc. | Sale | 777 | $55.49 | $43.1K Sale | Form 4 ↗ |
| Apr 2, 2025 | Daniel Ramos | ALRM Alarm.com Holdings, Inc. | Sale | 777 | $55.49 | $43.1K Sale | Form 4 ↗ |
| Mar 12, 2025 | Steve Valenzuela Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 3,436 | $58.45 | $200.8K Sale | Form 4 ↗ |
| Mar 6, 2025 | Steve Valenzuela Chief Financial Officer | ALRM Alarm.com Holdings, Inc. | Sale | 1,564 | $59.57 | $93.2K Sale | Form 4 ↗ |
| Dec 13, 2024 | Daniel Kerzner See Remarks | ALRM Alarm.com Holdings, Inc. | Sale | 32,851 | $66.40 | $2.2M Sale | Form 4 ↗ |
| Dec 10, 2024 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 1,999 | $68.81 | $137.6K Sale | Form 4 ↗ |
| Dec 10, 2024 | Stephen Trundle Chief Executive Officer, Director | ALRM Alarm.com Holdings, Inc. | Sale | 45,501 | $68.15 | $3.1M Sale | Form 4 ↗ |
| Nov 20, 2024 | Stephen C. Evans Director | ALRM Alarm.com Holdings, Inc. | Sale | 2,625 | $59.67 | $156.6K Sale | Form 4 ↗ |
47 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:44 PM EST.
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