Reporting Manager
DISCIPLINED GROWTH INVESTORS INC /MN
Symbol
ALRM
Shares outstanding
49,732,761 shares
Disclosed Ownership
3,332,095 shares
Ownership
6.7%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 15:38:17 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
Next filing
17 Feb 2026

Sponsored

Quoteable Key Fact

"DISCIPLINED GROWTH INVESTORS INC /MN disclosed 6.7% ownership in Alarm.com Holdings, Inc. Common Stock (ALRM) on 30 Sep 2025."

Quick Takeaways

  • DISCIPLINED GROWTH INVESTORS INC /MN filed SCHEDULE 13G/A for Alarm.com Holdings, Inc. Common Stock (ALRM).
  • Disclosed ownership: 6.7%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 14 Nov 2025, 15:38.

Why This Matters

  • 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.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
DISCIPLINED GROWTH INVESTORS INC /MN 6.7% 3,332,095 2,974,170 0 Peter G. Rieke Chief Operating & Compliance Officer