Trundle Stephen (CIK 1643898) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-20). Recent activity: Sell ALRM (2,944 shares), Buy ALRM (65,000 shares), Buy ALRM (3,531 shares), Buy ALRM (12,469 shares), Buy ALRM (9,900 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-20 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Sell | 2,944 | $128,241 |
| 2026-04-10 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 65,000 | $0 |
| 2025-11-20 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 3,531 | $171,501 |
| 2025-11-20 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 12,469 | $605,121 |
| 2025-11-20 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 9,900 | $475,794 |
| 2025-11-20 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 100 | $4,866 |
| 2025-05-27 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Buy | 25,000 | $0 |
| 2025-05-27 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Sell | 3,644 | $206,469 |
| 2025-05-16 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Sell | 3,626 | $215,783 |
| 2025-04-04 | Alarm.com Holdings, Inc. (ALRM) | Chief Executive Officer | Sell | 1,553 | $86,176 |
Source: SEC Form 4 filings · as of 2026-05-20