Insider · CIK 0001643898
Stephen Trundle
Files at: ALRM. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 GForm 4 → | Sep 4, 4:30 pm EDT | Alarm.com Holdings, Inc.ALRM | 2,000 | — | — | 322,842 | — | |
| Aug 24, 2026 SForm 4 → | Aug 25, 5:43 pm EDT | Alarm.com Holdings, Inc.ALRM | 50,000 | $57.67 | $2,883,500 | 324,842 | −13.3% | 10b5-1 |
| Aug 24, 2026 MForm 4 → | Aug 25, 5:43 pm EDT | Alarm.com Holdings, Inc.ALRM | 50,000 | $32.17 | $1,608,500 | 374,842 | — | 10b5-1 |
| Jan 14, 2019 SForm 4 → | Jan 16, 5:38 pm EST | Alarm.com Holdings, Inc.ALRM | 30,000 | $55.42 | $1,662,698 | 199,714 | −13.1% | plan? |
| Jan 14, 2019 MForm 4 → | Jan 16, 5:38 pm EST | Alarm.com Holdings, Inc.ALRM | 30,000 | $4.00 | $120,000 | 200,914 | — | plan? |
| Dec 10, 2018 SForm 4 → | Dec 12, 8:17 pm EST | Alarm.com Holdings, Inc.ALRM | 10,000 | $49.68 | $496,800 | 120,118 | −7.69% | plan? |
| Nov 15, 2018 MForm 4 → | Nov 15, 6:38 pm EST | Alarm.com Holdings, Inc.ALRM | 15,000 | $3.89 | $58,350 | 224,714 | — | plan? |
| Nov 13, 2018 SForm 4 → | Nov 15, 6:38 pm EST | Alarm.com Holdings, Inc.ALRM | 45,000 | $47.65 | $2,144,100 | 209,714 | −17.7% | plan? |
| Sep 10, 2018 GForm 4 → | Dec 12, 8:17 pm EST | Alarm.com Holdings, Inc.ALRM | 10,000 | — | — | 199,714 | — | plan? late |
| Aug 15, 2018 SForm 4 → | Aug 17, 4:45 pm EDT | Alarm.com Holdings, Inc.ALRM | 15,000 | $50.77 | $761,550 | 209,714 | −6.68% | plan? |
| Aug 15, 2018 MForm 4 → | Aug 17, 4:45 pm EDT | Alarm.com Holdings, Inc.ALRM | 15,000 | $3.89 | $58,350 | 224,714 | — | plan? |
| Jun 15, 2018 SForm 4 → | Jun 19, 4:35 pm EDT | Alarm.com Holdings, Inc.ALRM | 22,193 | $45.52 | $1,010,219 | 189,691 | −10.5% | plan? |
| Jun 15, 2018 MForm 4 → | Jun 19, 4:35 pm EDT | Alarm.com Holdings, Inc.ALRM | 22,193 | $3.89 | $86,331 | 196,884 | — | plan? |
| Apr 1, 2018 AForm 4 → | Apr 3, 8:54 pm EDT | Alarm.com Holdings, Inc.ALRM | 25,000 | — | — | 189,691 | — | plan? |
| Mar 15, 2018 SForm 4 → | Mar 19, 4:14 pm EDT | Alarm.com Holdings, Inc.ALRM | 25,000 | $39.11 | $977,800 | 164,691 | −13.2% | plan? |
| Mar 15, 2018 MForm 4 → | Mar 19, 4:14 pm EDT | Alarm.com Holdings, Inc.ALRM | 27,500 | $5.51 | $151,500 | 184,691 | — | plan? |
| Nov 21, 2017 GForm 5 → | Feb 14, 2018, 4:18 pm EST | Alarm.com Holdings, Inc.ALRM | 10,000 | — | — | 162,191 | — | plan? |
| Nov 16, 2017 SForm 4 → | Nov 20, 6:24 pm EST | Alarm.com Holdings, Inc.ALRM | 60,000 | $44.05 | $2,643,126 | 172,191 | −25.8% | plan? |
| Aug 29, 2017 SForm 4 → | Aug 31, 8:47 pm EDT | Alarm.com Holdings, Inc.ALRM | 78,542 | $45.25 | $3,553,682 | 232,191 | −25.3% | plan? |
| Aug 11, 2017 GMForm 4 → | Aug 31, 8:47 pm EDT | Alarm.com Holdings, Inc.ALRM | 178,710 | $0.41 | $15,823 | 0 | — | plan? late |
| Jun 2, 2017 GForm 4 → | Nov 20, 6:24 pm EST | Alarm.com Holdings, Inc.ALRM | 10,000 | — | — | 222,191 | — | plan? late |
| Nov 23, 2016 GForm 5 → | Feb 14, 2017, 4:06 pm EST | Alarm.com Holdings, Inc.ALRM | 10,000 | — | — | 206,817 | — | plan? |
| Jul 1, 2015 CForm 4 → | Jul 2, 2:35 pm EDT | Alarm.com Holdings, Inc.ALRM | 2,141,235 | — | — | 2,768,136 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 24, 2026 MForm 4 → | Aug 25, 5:43 pm EDT | Alarm.com Holdings, Inc.ALRM | 50,000 | — | — | 0 | — | 10b5-1 |
| Jan 14, 2019 MForm 4 → | Jan 16, 5:38 pm EST | Alarm.com Holdings, Inc.ALRM | 30,000 | — | — | 290,000 | — | |
| Nov 15, 2018 MForm 4 → | Nov 15, 6:38 pm EST | Alarm.com Holdings, Inc.ALRM | 15,000 | — | — | 0 | — | |
| Aug 15, 2018 MForm 4 → | Aug 17, 4:45 pm EDT | Alarm.com Holdings, Inc.ALRM | 15,000 | — | — | 15,000 | — | |
| Jun 15, 2018 MForm 4 → | Jun 19, 4:35 pm EDT | Alarm.com Holdings, Inc.ALRM | 22,193 | — | — | 30,000 | — | |
| Apr 1, 2018 AForm 4 → | Apr 3, 8:54 pm EDT | Alarm.com Holdings, Inc.ALRM | 30,000 | — | — | 30,000 | — | |
| Mar 15, 2018 MForm 4 → | Mar 19, 4:14 pm EDT | Alarm.com Holdings, Inc.ALRM | 27,500 | — | — | 52,193 | — | |
| Aug 29, 2017 MForm 4 → | Aug 31, 8:47 pm EDT | Alarm.com Holdings, Inc.ALRM | 38,592 | — | — | 0 | — | |
| May 15, 2017 AForm 4 → | May 17, 5:55 pm EDT | Alarm.com Holdings, Inc.ALRM | 50,000 | — | — | 50,000 | — | |
| May 15, 2016 AForm 4 → | May 17, 6:17 pm EDT | Alarm.com Holdings, Inc.ALRM | 50,000 | — | — | 50,000 | — | |
| Jul 1, 2015 CForm 4 → | Jul 2, 2:35 pm EDT | Alarm.com Holdings, Inc.ALRM | 237,915 | — | — | 0 | — |