Conviction
$ Value
$476K
Shares
9,900
Price
$48
Filed
Nov 20
▶ Why this score? (8/10)
- ✓ Open market buy (+3)
- ✓ Trade value >= $250K (+1)
- ✓ C-suite insider (+2)
- ✓ Director (+1)
- ✓ Not a 10b5-1 plan (+1)
Insider
Name
Trundle Stephen
Title
Chief Executive Officer
CIK
0001643898
Roles
Transaction Details
Transaction Date
2025-11-20
Code
P
Table
Non-Derivative
Ownership
Indirect
Equity Swap
No
Shares After
1,315,243
Footnotes
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.2917 - $48.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4. | These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein. | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.14 - $48.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4. | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.615 - $48.545, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4. | These shares are owned by the Stephen Trundle 2015 Gift Trust (the "Trust"). Certain members of the Reporting Person's immediate family are beneficiaries of the Trust. The Reporting Person disclaims beneficial ownership of the shares owned by the Trust except to the extent, if any, of his pecuniary interest therein. | These shares are owned by the Footings Advancement Trust (the "Advancement Trust"). The Reporting Person has the sole power to vote and dispose of the shares held by the Advancement Trust and certain members of the Reporting Person's immediate family are beneficiaries. The Reporting Person disclaims beneficial ownership of the shares owned by the Advancement Trust except to the extent, if any, of his pecuniary interest therein.
Filing Info
Trundle Stephen's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-08 | ALRM | A | $0 |
| 2025-11-20 | ALRM | ▲ | $476K |
| 2025-11-20 | ALRM | ▲ | $5K |
| 2025-11-19 | ALRM | ▲ | $605K ★ |
| 2025-11-18 | ALRM | ▲ | $172K |
| 2025-05-23 | ALRM | ▼ | $206K |
| 2025-05-22 | ALRM | A | $0 |
| 2025-05-22 | ALRM | A | $0 |
| 2025-05-16 | ALRM | ▼ | $216K |
Other Insiders at ALRM (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| NEVIN DARIUS G | — | $1.7M | 2026-03-18 |
|
Ramos Daniel
See Remarks
|
— | — | 2026-04-08 |
|
Kerzner Daniel
See Remarks
|
— | — | 2026-04-08 |
|
Trundle Stephen
Chief Executive Officer
|
— | — | 2026-04-08 |
|
Bradley Kevin Christopher
Chief Financial Officer
|
— | $69K | 2026-04-08 |