ALRM
Alarm.com Holdings, Inc.
NASDAQ · Technology · Software - Application · US
$56.48
−0.44%0
Insider buys (3m)
6
Insider sells (3m)
-$3.8M
Net value (3m)
+24.8%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 25, 2026 | Trundle Stephen · director, officer: Chief Executive Officer | Sale | 50,000 | $58 |
| Aug 25, 2026 | Trundle Stephen · director, officer: Chief Executive Officer | M-Exempt | 50,000 | $32 |
| Aug 14, 2026 | Bradley Kevin Christopher · officer: Chief Financial Officer | Sale | 5,400 | $55 |
| Jul 2, 2026 | Bradley Kevin Christopher · officer: Chief Financial Officer | Sale | 724 | $48 |
| Jun 12, 2026 | Ramos Daniel · officer: See Remarks | Sale | 2,000 | $47 |
| Jun 12, 2026 | Bradley Kevin Christopher · officer: Chief Financial Officer | Sale | 2,200 | $46 |
| Jun 12, 2026 | Ramos Daniel · officer: See Remarks | Sale | 8,000 | $46 |
| Jun 8, 2026 | Whall Timothy J. · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | Evans Stephen C. · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | WU Simone · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | NEVIN DARIUS G · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | McAdam Timothy P · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | Clarke Donald E · director | A-Award | 3,222 | $0.00 |
| Jun 8, 2026 | Harper Cecile Burleigh · director | A-Award | 3,222 | $0.00 |
| May 28, 2026 | Ramos Daniel · officer: See Remarks | Sale | 2,532 | $44 |
| May 28, 2026 | Kerzner Daniel · officer: See Remarks | Sale | 3,944 | $44 |
| May 28, 2026 | Trundle Stephen · director, officer: Chief Executive Officer | Sale | 6,073 | $44 |
| May 20, 2026 | Trundle Stephen · director, officer: Chief Executive Officer | Sale | 2,944 | $44 |
| May 20, 2026 | Ramos Daniel · officer: See Remarks | Sale | 1,561 | $44 |
| May 20, 2026 | Kerzner Daniel · officer: See Remarks | Sale | 1,915 | $44 |
| Apr 10, 2026 | Bradley Kevin Christopher · officer: Chief Financial Officer | A-Award | 35,000 | $0.00 |
| Apr 10, 2026 | Trundle Stephen · director, officer: Chief Executive Officer | A-Award | 65,000 | $0.00 |
| Apr 10, 2026 | Kerzner Daniel · officer: See Remarks | A-Award | 55,000 | $0.00 |
| Apr 10, 2026 | Ramos Daniel · officer: See Remarks | A-Award | 25,000 | $0.00 |
| Mar 19, 2026 | NEVIN DARIUS G · director | M-Exempt | 36,000 | $22 |
| Mar 19, 2026 | NEVIN DARIUS G · director | Sale | 36,000 | $46 |
| Mar 19, 2026 | Bradley Kevin Christopher · officer: Chief Financial Officer | Sale | 1,510 | $46 |
| Dec 18, 2025 | BEDELL JEFFREY A · officer: See Remarks | Sale | 22,727 | $52 |
| Dec 18, 2025 | BEDELL JEFFREY A · officer: See Remarks | M-Exempt | 22,727 | $15 |
| Dec 16, 2025 | Evans Stephen C. · director | Sale | 1,154 | $52 |
Institutional positioning
13F filings over the trailing two quarters
New 95Increased 225Reduced 219Sold out 35
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 9,492,105 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 9,136,795 | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 4,035,026 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3,955,703 | May 8, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Increased | 3,585,614 | Aug 14, 2026 |
| BANK OF MONTREAL /CAN/ | Increased | 3,535,190 | Aug 12, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | 3,268,986 | May 15, 2026 |
| BANK OF MONTREAL /CAN/ | Increased | 2,757,641 | May 13, 2026 |
| STATE STREET CORP | Increased | 2,188,123 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,154,062 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2,141,371 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2,036,138 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1,338,291 | Aug 12, 2026 |
| MORGAN STANLEY | Reduced | 1,263,002 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,258,666 | Aug 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 25, 2026