Key facts
- DISCIPLINED GROWTH INVESTORS INC /MN filed SCHEDULE 13G/A for Alarm.com Holdings, Inc. Common Stock (ALRM).
- Disclosed ownership: 6.6%.
- Date of event: 31 Mar 2026.
DISCIPLINED GROWTH INVESTORS INC /MN - 31 Mar 2026 SCHEDULE 13G/A Report for Alarm.com Holdings, Inc. Common Stock (ALRM)
- Filing Manager
- DISCIPLINED GROWTH INVESTORS INC /MN
- Reporting Manager
- DISCIPLINED GROWTH INVESTORS INC /MN
- Symbol
- ALRM
- Shares outstanding
- 49,530,091 shares
- Disclosed Ownership
- 3,268,986 shares
- Ownership
- 6.6%
- Form type
- SCHEDULE 13G/A
- Filing time
- 15 May 2026, 16:03:51 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 17 Feb 2026
- SEC
- View on sec.gov
Key filing fact
DISCIPLINED GROWTH INVESTORS INC /MN disclosed 6.6% ownership in Alarm.com Holdings, Inc. Common Stock (ALRM) on 31 Mar 2026.
Change
- Previous schedule filing date: 17 Feb 2026.
- Current filing was accepted on 15 May 2026, 16:03.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (1)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| DISCIPLINED GROWTH INVESTORS INC /MN | 6.6% | 3,268,986 | 3,063,375 | 0 | Peter G. Rieke | Chief Operating & Compliance Officer |
CIK / CUSIP context first