Stephen Trundle
Chief Executive Officer at Alarm.com Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Alarm.com Holdings Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Alarm.com Holdings Inc. June 3, 202699.1%
-
Alarm.com Holdings Inc. June 4, 202599.5%
-
Alarm.com Holdings Inc. June 5, 202499.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 2, 2026 | Alarm.com Holdings Inc. | Gift | −2,000 | — | — |
| Aug 24, 2026 | Alarm.com Holdings Inc. | Option exercise | +50,000 | $32.17 | $1,608,500 |
| Aug 24, 2026 | Alarm.com Holdings Inc. | Open-market sale | −50,000 | $57.67 | $2,883,500 |
| May 26, 2026 | Alarm.com Holdings Inc. | Open-market sale | −6,073 | $43.78 | $265,876 |
| May 18, 2026 | Alarm.com Holdings Inc. | Open-market sale | −2,944 | $43.56 | $128,241 |
| Apr 8, 2026 | Alarm.com Holdings Inc. | Grant or award | +65,000 | — | — |
| Nov 20, 2025 | Alarm.com Holdings Inc. | Open-market purchase | +9,900 | $48.06 | $475,794 |
| Nov 20, 2025 | Alarm.com Holdings Inc. | Open-market purchase | +100 | $48.66 | $4,866 |
| Nov 19, 2025 | Alarm.com Holdings Inc. | Open-market purchase | +12,469 | $48.53 | $605,121 |
| Nov 18, 2025 | Alarm.com Holdings Inc. | Open-market purchase | +3,531 | $48.57 | $171,501 |
| May 23, 2025 | Alarm.com Holdings Inc. | Open-market sale | −3,644 | $56.66 | $206,469 |
| May 22, 2025 | Alarm.com Holdings Inc. | Grant or award | +25,000 | — | — |
| May 16, 2025 | Alarm.com Holdings Inc. | Open-market sale | −3,626 | $59.51 | $215,783 |
| Apr 2, 2025 | Alarm.com Holdings Inc. | Open-market sale | −1,553 | $55.49 | $86,176 |
| Dec 10, 2024 | Alarm.com Holdings Inc. | Option exercise | +47,500 | $21.70 | $1,030,750 |
Questions about Stephen Trundle
What boards is Stephen Trundle on?
Stephen Trundle sits on the board of Alarm.com Holdings Inc.
What company is Stephen Trundle the CEO of?
Stephen Trundle is Chief Executive Officer of Alarm.com Holdings Inc.
How long has Stephen Trundle served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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