Who
Stephen Trundle
Chief Executive Officer
Company insider
Files Form 4 as: Chief Executive Officer, Alarm.com Holdings.
In numbers
- Trades disclosed
- 227
- Buys
- 3
- Sells
- 75
- Bought
- $1.3M
- Sold
- $89.1M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 1 Jul 2015
- Last trade
- 2 Sep 2026
- Last filed
- 4 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 2 Sep 2026filed 4 Sep 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 2 Sep 2026filed 4 Sep 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code M | $1.6M50,000 at $32.17 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $2.9M50,000 at $57.67 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com Holdingsoption or derivative · Software | SEC FORM 4 Code M | —50,000 at $0.00 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com Holdingsoption or derivative · Software | SEC FORM 4 Code M | —50,000 at $0.00 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code M | $1.6M50,000 at $32.17 | filing |
| 24 Aug 2026filed 25 Aug 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $2.9M50,000 at $57.67 | filing |
| 26 May 2026filed 28 May 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $266K6,073 at $43.78 | filing |
| 26 May 2026filed 28 May 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $266K6,073 at $43.78 | filing |
| 18 May 2026filed 20 May 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $128K2,944 at $43.56 | filing |
| 18 May 2026filed 20 May 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $128K2,944 at $43.56 | filing |
| 8 Apr 2026filed 10 Apr 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code A | —65,000 at $0.00 | filing |
| 8 Apr 2026filed 10 Apr 2026 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Code A | —65,000 at $0.00 | filing |
| 20 Nov 2025filed 20 Nov 2025 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Bought | $476K9,900 at $48.06 | filing |
| 20 Nov 2025filed 20 Nov 2025 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Bought | $4,866100 at $48.66 | filing |
| 19 Nov 2025filed 20 Nov 2025 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Bought | $605K12,469 at $48.53 | filing |
| 18 Nov 2025filed 20 Nov 2025 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Bought | $172K3,531 at $48.57 | filing |
| 23 May 2025filed 27 May 2025 | ALRM Alarm.com HoldingsSoftware | SEC FORM 4 Sold | $206K3,644 at $56.66 | filing |
| 22 May 2025filed 27 May 2025 | ALRM Alarm.com Holdingsoption or derivative · Software | SEC FORM 4 Code A | —40,000 at $0.00 | filing |
News
Alarm.com (NASDAQ:ALRM) Reaches New 1-Year High – Here's What HappenedALRM · themarketsdaily.com · 15 Oct 2026
0 headlines in the last 90 days name Stephen Trundle; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.