ALRM's three largest insider shareholders as of May 04, 2026 are Stephen Trundle (Chief Executive Officer, 1.32Mn shares), Stephen Trundle (Chief Executive Officer, 1.32Mn shares), Stephen Trundle (Chief Executive Officer, 333.86K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Stephen Trundle | Chief Executive Officer | 0 | 1,315,343 | 20 Nov, 2025 |
| Stephen Trundle | Chief Executive Officer | 0 | 1,315,343 | 20 Nov, 2025 |
| Stephen Trundle | Chief Executive Officer | 333,859 | 0 | 10 Apr, 2026 |
| Stephen Trundle | Chief Executive Officer | 268,859 | 0 | 27 May, 2025 |
| Daniel Kerzner | Chief Product Officer | 107,000 | 0 | 10 Apr, 2026 |
| Kevin Christopher Bradley | Chief Financial Officer | 86,546 | 0 | 10 Apr, 2026 |
| Daniel Ramos | Sr. Vp Corporate Development | 67,192 | 0 | 10 Apr, 2026 |
| Daniel Kerzner | Chief Product Officer | 52,000 | 0 | 14 Nov, 2025 |
| Kevin Christopher Bradley | Chief Financial Officer | 51,546 | 0 | 19 Mar, 2026 |
| Daniel Ramos | Sr. Vp Corporate Development | 42,192 | 0 | 27 May, 2025 |
| Steve Valenzuela | Chief Financial Officer | 37,500 | 0 | 14 Mar, 2025 |
| Steve Valenzuela | Chief Financial Officer | 37,500 | 0 | 14 Mar, 2025 |
| Darius G Nevin | - | 24,375 | 0 | 19 Mar, 2026 |
| Darius G Nevin | - | 24,375 | 0 | 19 Mar, 2026 |
| Donald E Clarke | - | 14,953 | 0 | 06 Jun, 2025 |
| Simone Wu | - | 12,633 | 0 | 06 Jun, 2025 |
| Simone Wu | - | 12,633 | 0 | 06 Jun, 2025 |
| Timothy J. Whall | - | 11,182 | 0 | 06 Jun, 2025 |
| Timothy J. Whall | - | 11,182 | 0 | 06 Jun, 2025 |
| Donald E Clarke | - | 0 | 9,495 | 17 May, 2022 |
| Stephen C. Evans | - | 6,123 | 0 | 16 Dec, 2025 |
| Stephen C. Evans | - | 6,123 | 0 | 16 Dec, 2025 |
| Cecile Burleigh Harper | - | 4,814 | 0 | 06 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 08 Apr, 2026 | Daniel Ramos | Common Stock | A | 25,000 | $0.00 | 67,192 | D | A |
| 08 Apr, 2026 | Daniel Kerzner | Common Stock | A | 55,000 | $0.00 | 107,000 | D | A |
| 08 Apr, 2026 | Stephen Trundle | Common Stock | A | 65,000 | $0.00 | 333,859 | D | A |
| 08 Apr, 2026 | Kevin Christopher Bradley | Common Stock | A | 35,000 | $0.00 | 86,546 | D | A |
| 18 Mar, 2026 | Darius G Nevin | Common Stock | A | 36,000 | $21.70 | 60,375 | D | M |
| 18 Mar, 2026 | Darius G Nevin | Common Stock | A | 36,000 | $21.70 | 60,375 | D | M |
| 18 Mar, 2026 | Kevin Christopher Bradley | Common Stock | D | 1,510 | $45.97 | 51,546 | D | S |
| 18 Mar, 2026 | Kevin Christopher Bradley | Common Stock | D | 1,510 | $45.97 | 51,546 | D | S |
| 18 Mar, 2026 | Darius G Nevin | Common Stock | D | 36,000 | $46.17 | 24,375 | D | S |
| 18 Mar, 2026 | Darius G Nevin | Common Stock | D | 36,000 | $46.17 | 24,375 | D | S |
| 18 Mar, 2026 | Darius G Nevin | Stock Option (Right to Buy) | D | 36,000 | $0.00 | 0 | D | M |
| 18 Mar, 2026 | Darius G Nevin | Stock Option (Right to Buy) | D | 36,000 | $0.00 | 0 | D | M |
| 12 Dec, 2025 | Stephen C. Evans | Common Stock | D | 1,154 | $52.27 | 6,123 | D | S |
| 12 Dec, 2025 | Stephen C. Evans | Common Stock | D | 1,154 | $52.27 | 6,123 | D | S |
| 18 Nov, 2025 | Stephen Trundle | Common Stock | A | 3,531 | $48.57 | 1,292,874 | I | P |
| 18 Nov, 2025 | Stephen Trundle | Common Stock | A | 3,531 | $48.57 | 1,292,874 | I | P |
| 19 Nov, 2025 | Stephen Trundle | Common Stock | A | 12,469 | $48.53 | 1,305,343 | I | P |
| 19 Nov, 2025 | Stephen Trundle | Common Stock | A | 12,469 | $48.53 | 1,305,343 | I | P |
| 20 Nov, 2025 | Stephen Trundle | Common Stock | A | 9,900 | $48.06 | 1,315,243 | I | P |
| 20 Nov, 2025 | Stephen Trundle | Common Stock | A | 9,900 | $48.06 | 1,315,243 | I | P |