Alarm.com Holdings, Inc. (ALRM) Insider Trading
Over the last 3 months, ALRM insiders made 0 open-market buys and 8 sales, a net sale of -$2.6M (SEC Form 4). Over the last 6 months, 238 institutions increased and 229 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$2.6M
Insider trades by month Buys Sells
Jun
Jul
Nov
Dec
Mar
May
Context3-month price -10.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | Kerzner Danielofficer: See Remarks | Sell | 3,944 | $43.78 |
| May 28, 2026 | Ramos Danielofficer: See Remarks | Sell | 2,532 | $43.78 |
| May 28, 2026 | Trundle Stephendirector, officer: Chief Executive Officer | Sell | 6,073 | $43.78 |
| May 20, 2026 | Trundle Stephendirector, officer: Chief Executive Officer | Sell | 2,944 | $43.56 |
| May 20, 2026 | Kerzner Danielofficer: See Remarks | Sell | 1,915 | $43.56 |
| May 20, 2026 | Ramos Danielofficer: See Remarks | Sell | 1,561 | $43.56 |
| Apr 10, 2026 | Trundle Stephendirector, officer: Chief Executive Officer | Grant | 65,000 | — |
| Apr 10, 2026 | Kerzner Danielofficer: See Remarks | Grant | 55,000 | — |
| Apr 10, 2026 | Bradley Kevin Christopherofficer: Chief Financial Officer | Grant | 35,000 | — |
| Apr 10, 2026 | Ramos Danielofficer: See Remarks | Grant | 25,000 | — |
| Mar 19, 2026 | NEVIN DARIUS Gdirector | Option | 36,000 | $21.70 |
| Mar 19, 2026 | NEVIN DARIUS Gdirector | Sell | 36,000 | $46.17 |
| Mar 19, 2026 | Bradley Kevin Christopherofficer: Chief Financial Officer | Sell | 1,510 | $45.97 |
| Dec 18, 2025 | BEDELL JEFFREY Aofficer: See Remarks | Sell | 22,727 | $51.82 |
| Dec 18, 2025 | BEDELL JEFFREY Aofficer: See Remarks | Option | 22,727 | $15.02 |
| Dec 16, 2025 | Evans Stephen C.director | Sell | 1,154 | $52.27 |
| Dec 16, 2025 | BEDELL JEFFREY Aofficer: See Remarks | Option | 2,273 | $15.02 |
| Dec 16, 2025 | BEDELL JEFFREY Aofficer: See Remarks | Sell | 2,273 | $52.51 |
| Nov 20, 2025 | Trundle Stephendirector, officer: Chief Executive Officer | Buy | 9,900 | $48.06 |
| Nov 20, 2025 | Trundle Stephendirector, officer: Chief Executive Officer | Buy | 12,469 | $48.53 |
| Nov 20, 2025 | Trundle Stephendirector, officer: Chief Executive Officer | Buy | 100 | $48.66 |
| Nov 20, 2025 | Trundle Stephendirector, officer: Chief Executive Officer | Buy | 3,531 | $48.57 |
| Nov 14, 2025 | Kerzner Danielofficer: See Remarks | Option | 10,000 | $15.02 |
| Nov 14, 2025 | Kerzner Danielofficer: See Remarks | Sell | 10,000 | $50.33 |
| Nov 14, 2025 | Kerzner Danielofficer: See Remarks | Sell | 20,004 | $50.29 |
| Jul 2, 2025 | Bradley Kevin Christopherofficer: Chief Financial Officer | Sell | 754 | $56.75 |
| Jun 12, 2025 | Evans Stephen C.director | Sell | 1,000 | $59.64 |
| Jun 6, 2025 | Evans Stephen C.director | Grant | 2,510 | — |
| Jun 6, 2025 | Harper Cecile Burleighdirector | Grant | 2,510 | — |
| Jun 6, 2025 | McAdam Timothy Pdirector | Grant | 2,510 | — |
Source: ALRM SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ALRM positions over the last 6 months (SEC Form 13F).
Increased
238
New positions
68
Reduced
229
Sold out
72
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 9.3M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 9.1M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 6.3M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.0M | May 8, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Increased | 3.4M | Feb 17, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | 3.3M | May 15, 2026 |
| BANK OF MONTREAL /CAN/ | Increased | 2.7M | May 13, 2026 |
| BANK OF MONTREAL /CAN/ | Increased | 2.2M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.2M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.0M | Feb 13, 2026 |
| MORGAN STANLEY | Increased | 1.3M | Feb 13, 2026 |
| MORGAN STANLEY | Reduced | 1.3M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.3M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.2M | Feb 9, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.