Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-02-09 10:54 am Purchase | 2022-12-30 | 13G | Alarm.com Holdings, Inc. ALRM | The Vanguard Group | 5,511,037 11.040% | 27,267![]() (+0.50%) | Filing History |
| 2023-01-26 08:52 am Purchase | 2022-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | BlackRock Inc. BLK | 8,520,384 16.900% | 80,610![]() (+0.96%) | Filing History |
| 2023-01-20 09:43 am Purchase | 2022-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | BlackRock Inc. BLK | 8,439,774 16.900% | 778,505![]() (+10.16%) | Filing History |
| 2022-02-14 4:51 pm Sale | 2021-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | Brown Capital Management, LLC | 5,553,121 11.090% | -276,705![]() (-4.75%) | Filing History |
| 2022-02-11 4:45 pm Sale | 2021-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | Trundle Stephen | 1,938,069 3.900% | -568,927![]() (-22.69%) | Filing History |
| 2022-02-09 6:54 pm Purchase | 2021-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2,875,745 5.700% | 7,115![]() (+0.25%) | Filing History |
| 2022-02-09 3:16 pm Purchase | 2021-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | The Vanguard Group | 5,483,770 10.950% | 299,011![]() (+5.77%) | Filing History |
| 2022-02-07 4:41 pm Purchase | 2021-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | BlackRock Inc. BLK | 7,661,269 15.300% | 289,239![]() (+3.92%) | Filing History |
| 2021-05-10 12:25 pm Purchase | 2021-04-30 | 13G | Alarm.com Holdings, Inc. ALRM | Brown Capital Management, LLC | 5,829,826 11.720% | 293,733![]() (+5.31%) | Filing History |
| 2021-04-12 09:52 am Purchase | 2021-03-31 | 13G | Alarm.com Holdings, Inc. ALRM | The Vanguard Group | 5,184,759 10.460% | 390,111![]() (+8.14%) | Filing History |
| 2021-02-16 4:31 pm Sale | 2020-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | Trundle Stephen | 2,506,996 5.100% | -437,419![]() (-14.86%) | Filing History |
| 2021-02-16 1:24 pm Sale | 2021-02-16 | 13G | Alarm.com Holdings, Inc. ALRM | Capital World Investors | 1,527,000 3.100% | -993,700![]() (-39.42%) | Filing History |
| 2021-02-12 3:39 pm Purchase | 2020-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | Brown Capital Management, LLC | 5,536,093 11.270% | 550,390![]() (+11.04%) | Filing History |
| 2021-02-11 3:14 pm Purchase | 2020-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2,868,630 5.800% | 2,868,630![]() (New Position) | Filing History |
| 2021-02-10 10:30 am Purchase | 2020-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | The Vanguard Group | 4,794,648 9.760% | 772,161![]() (+19.20%) | Filing History |
| 2021-01-26 2:22 pm Purchase | 2020-12-31 | 13G | Alarm.com Holdings, Inc. ALRM | BlackRock Inc. BLK | 7,372,030 15.000% | 1,416,398![]() (+23.78%) | Filing History |

