ALRM Alarm.com Holdings, Inc.
Nasdaq · SEC CIK 1459200 · EDGAR
- Bought, last 12 months
- $1.26M 1 purchases by 1 insiders
- Sold, last 12 months
- $9.21M 17 sales by 7 insiders
- Filings on record
- 158 since 2021-07-06, latest 2026-09-04 16:30
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Trundle Stephen | CEO, Dir | $1.26M | $3.28M |
| Kerzner Daniel | See Remarks | — | $1.77M |
| NEVIN DARIUS G | Dir | — | $1.66M |
| BEDELL JEFFREY A | See Remarks | — | $1.30M |
| Ramos Daniel | See Remarks | — | $641.7K |
| Bradley Kevin Christopher | CFO | — | $503.4K |
| Evans Stephen C. | Dir | — | $60.3K |
| Harper Cecile Burleigh | Dir | — | — |
| McAdam Timothy P | Dir | — | — |
| Whall Timothy J. | Dir | — | — |
Transactions 211
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-04 16:30 | 2026-09-02 | ALRM | Trundle Stephen | CEO, Dir | G - Gift | $0.00 | -2,000 | 322.8K | -0.6% | $0 | |
| DT | 2026-08-25 17:43 | 2026-08-24 | ALRM | Trundle Stephen | CEO, Dir | M - OptEx | $32.17 | +50.0K | 374.8K | +15% | +$1.61M |
| DT | 2026-08-25 17:43 | 2026-08-24 | ALRM | Trundle Stephen | CEO, Dir | S - Sale+OE | $57.67 | -50.0K | 324.8K | -13% | -$2.88M |
| 2026-08-14 16:31 | 2026-08-12 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $55.07 | -5,400 | 78.2K | -6% | -$297.4K | |
| T | 2026-07-02 16:30 | 2026-07-02 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $48.46 | -724 | 83.6K | -0.9% | -$35.1K |
| M | 2026-06-12 16:47 | 2026-06-10+ | ALRM | Ramos Daniel | See Remarks | S - Sale | $46.28 | -10.0K | 53.1K | -16% | -$462.8K |
| 2026-06-12 16:44 | 2026-06-10 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $46.15 | -2,200 | 84.3K | -3% | -$101.5K | |
| 2026-06-08 16:45 | 2026-06-04 | ALRM | Whall Timothy J. | Dir | A - Grant | $0.00 | +3,222 | 14.4K | +29% | $0 | |
| 2026-06-08 16:43 | 2026-06-04 | ALRM | NEVIN DARIUS G | Dir | A - Grant | $0.00 | +3,222 | 27.6K | +13% | $0 | |
| 2026-06-08 16:42 | 2026-06-04 | ALRM | Clarke Donald E | Dir | A - Grant | $0.00 | +3,222 | 18.2K | +22% | $0 | |
| 2026-06-08 16:37 | 2026-06-04 | ALRM | McAdam Timothy P | Dir | A - Grant | $0.00 | +3,222 | 103.8K | +3% | $0 | |
| 2026-06-08 16:36 | 2026-06-04 | ALRM | WU Simone | Dir | A - Grant | $0.00 | +3,222 | 15.9K | +26% | $0 | |
| 2026-06-08 16:35 | 2026-06-04 | ALRM | Harper Cecile Burleigh | Dir | A - Grant | $0.00 | +3,222 | 8,036 | +67% | $0 | |
| 2026-06-08 16:32 | 2026-06-04 | ALRM | Evans Stephen C. | Dir | A - Grant | $0.00 | +3,222 | 9,345 | +53% | $0 | |
| T | 2026-05-28 16:34 | 2026-05-26 | ALRM | Trundle Stephen | CEO, Dir | S - Sale | $43.78 | -6,073 | 324.8K | -2% | -$265.9K |
| T | 2026-05-28 16:32 | 2026-05-26 | ALRM | Ramos Daniel | See Remarks | S - Sale | $43.78 | -2,532 | 63.1K | -4% | -$110.9K |
| T | 2026-05-28 16:31 | 2026-05-26 | ALRM | Kerzner Daniel | See Remarks | S - Sale | $43.78 | -3,944 | 101.1K | -4% | -$172.7K |
| T | 2026-05-20 16:30 | 2026-05-18 | ALRM | Kerzner Daniel | See Remarks | S - Sale | $43.56 | -1,915 | 105.1K | -2% | -$83.4K |
| T | 2026-05-20 16:30 | 2026-05-18 | ALRM | Ramos Daniel | See Remarks | S - Sale | $43.56 | -1,561 | 65.6K | -2% | -$68.0K |
| T | 2026-05-20 16:30 | 2026-05-18 | ALRM | Trundle Stephen | CEO, Dir | S - Sale | $43.56 | -2,944 | 330.9K | -0.9% | -$128.2K |
| 2026-04-10 17:55 | 2026-04-08 | ALRM | Trundle Stephen | CEO, Dir | A - Grant | $0.00 | +65.0K | 333.9K | +24% | $0 | |
| 2026-04-10 17:53 | 2026-04-08 | ALRM | Bradley Kevin Christopher | CFO | A - Grant | $0.00 | +35.0K | 86.5K | +68% | $0 | |
| 2026-04-10 17:52 | 2026-04-08 | ALRM | Ramos Daniel | See Remarks | A - Grant | $0.00 | +25.0K | 67.2K | +59% | $0 | |
| 2026-04-10 17:51 | 2026-04-08 | ALRM | Kerzner Daniel | See Remarks | A - Grant | $0.00 | +55.0K | 107.0K | +106% | $0 | |
| T | 2026-03-19 | 2026-03-18 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $45.97 | -1,510 | 51.5K | -3% | -$69.4K |
| DT | 2026-03-19 | 2026-03-18 | ALRM | NEVIN DARIUS G | Dir | S - Sale+OE | $46.17 | -36.0K | 24.4K | -60% | -$1.66M |
| DT | 2026-03-19 | 2026-03-18 | ALRM | NEVIN DARIUS G | Dir | M - OptEx | $21.70 | +36.0K | 60.4K | +148% | +$781.2K |
| D | 2025-12-18 | 2025-12-16 | ALRM | BEDELL JEFFREY A | See Remarks | S - Sale+OE | $51.82 | -22.7K | 505.8K | -4% | -$1.18M |
| D | 2025-12-18 | 2025-12-16 | ALRM | BEDELL JEFFREY A | See Remarks | M - OptEx | $15.02 | +22.7K | 528.5K | +4% | +$341.4K |
| D | 2025-12-16 | 2025-12-12 | ALRM | BEDELL JEFFREY A | See Remarks | M - OptEx | $15.02 | +2,273 | 508.1K | +0.4% | +$34.1K |
| D | 2025-12-16 | 2025-12-12 | ALRM | BEDELL JEFFREY A | See Remarks | S - Sale+OE | $52.51 | -2,273 | 505.8K | -0.4% | -$119.4K |
| 2025-12-16 | 2025-12-12 | ALRM | Evans Stephen C. | Dir | S - Sale | $52.27 | -1,154 | 6,123 | -16% | -$60.3K | |
| 2025-11-28 | 2025-11-25 | ALRM | McAdam Timothy P | Dir | G - Gift | $0.00 | -7,000 | 100.6K | -7% | $0 | |
| MI | 2025-11-20 | 2025-11-18+ | ALRM | Trundle Stephen | CEO, Dir | P - Purchase | $48.36 | +26.0K | 1.31M | +2% | +$1.26M |
| D | 2025-11-14 | 2025-11-13 | ALRM | Kerzner Daniel | See Remarks | M - OptEx | $15.02 | +10.0K | 62.0K | +19% | +$150.2K |
| DM | 2025-11-14 | 2025-11-12+ | ALRM | Kerzner Daniel | See Remarks | S - Sale+OE | $50.30 | -30.0K | 52.0K | -37% | -$1.51M |
| T | 2025-07-02 | 2025-07-02 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $56.75 | -754 | 53.1K | -1% | -$42.8K |
| 2025-06-12 | 2025-06-11 | ALRM | Evans Stephen C. | Dir | S - Sale | $59.64 | -1,000 | 7,277 | -12% | -$59.6K | |
| 2025-06-06 | 2025-06-05 | ALRM | Evans Stephen C. | Dir | A - Grant | $0.00 | +2,510 | 8,277 | +44% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | NEVIN DARIUS G | Dir | A - Grant | $0.00 | +2,510 | 24.4K | +11% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | Clarke Donald E | Dir | A - Grant | $0.00 | +2,510 | 15.0K | +20% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | McAdam Timothy P | Dir | A - Grant | $0.00 | +2,510 | 107.6K | +2% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | WU Simone | Dir | A - Grant | $0.00 | +2,510 | 12.6K | +25% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | Whall Timothy J. | Dir | A - Grant | $0.00 | +2,510 | 11.2K | +29% | $0 | |
| 2025-06-06 | 2025-06-05 | ALRM | Harper Cecile Burleigh | Dir | A - Grant | $0.00 | +2,510 | 4,814 | +109% | $0 | |
| DT | 2025-05-27 | 2025-05-23 | ALRM | Kerzner Daniel | See Remarks | S - Sale | $56.66 | -2,213 | 72.0K | -3% | -$125.4K |
| DT | 2025-05-27 | 2025-05-22 | ALRM | Kerzner Daniel | See Remarks | A - Grant | $0.00 | +17.5K | 74.2K | +31% | $0 |
| DT | 2025-05-27 | 2025-05-23 | ALRM | BEDELL JEFFREY A | See Remarks | S - Sale | $56.66 | -2,204 | 505.8K | -0.4% | -$124.9K |
| DT | 2025-05-27 | 2025-05-22 | ALRM | BEDELL JEFFREY A | See Remarks | A - Grant | $0.00 | +17.5K | 508.0K | +4% | $0 |
| DT | 2025-05-27 | 2025-05-22 | ALRM | Trundle Stephen | CEO, Dir | A - Grant | $0.00 | +25.0K | 272.5K | +10% | $0 |
| DT | 2025-05-27 | 2025-05-23 | ALRM | Trundle Stephen | CEO, Dir | S - Sale | $56.66 | -3,644 | 268.9K | -1% | -$206.5K |
| DMT | 2025-05-27 | 2025-05-23+ | ALRM | Ramos Daniel | See Remarks | S - Sale | $57.47 | -8,762 | 49.2K | -15% | -$503.6K |
| DT | 2025-05-27 | 2025-05-22 | ALRM | Ramos Daniel | See Remarks | A - Grant | $0.00 | +14.0K | 51.0K | +38% | $0 |
| T | 2025-05-16 | 2025-05-16 | ALRM | Kerzner Daniel | See Remarks | S - Sale | $59.51 | -2,019 | 56.7K | -3% | -$120.2K |
| T | 2025-05-16 | 2025-05-16 | ALRM | BEDELL JEFFREY A | See Remarks | S - Sale | $59.51 | -2,019 | 490.5K | -0.4% | -$120.2K |
| T | 2025-05-16 | 2025-05-16 | ALRM | Bradley Kevin Christopher | CFO | S - Sale | $59.51 | -390 | 53.8K | -0.7% | -$23.2K |
| DMT | 2025-05-16 | 2025-05-14+ | ALRM | Ramos Daniel | See Remarks | S - Sale+OE | $59.95 | -8,536 | 38.6K | -18% | -$511.8K |
| DMT | 2025-05-16 | 2025-05-14 | ALRM | Ramos Daniel | See Remarks | M - OptEx | $47.13 | +5,167 | 45.5K | +13% | +$243.5K |
| T | 2025-05-16 | 2025-05-16 | ALRM | Trundle Stephen | CEO, Dir | S - Sale | $59.51 | -3,626 | 247.5K | -1% | -$215.8K |
| T | 2025-04-04 | 2025-04-02 | ALRM | Kerzner Daniel | See Remarks | S - Sale | $55.49 | -932 | 58.7K | -2% | -$51.7K |
| T | 2025-04-04 | 2025-04-02 | ALRM | BEDELL JEFFREY A | See Remarks | S - Sale | $55.49 | -777 | 492.5K | -0.2% | -$43.1K |
| T | 2025-04-04 | 2025-04-02 | ALRM | Ramos Daniel | See Remarks | S - Sale | $55.49 | -777 | 40.3K | -2% | -$43.1K |
| T | 2025-04-04 | 2025-04-02 | ALRM | Trundle Stephen | CEO, Dir | S - Sale | $55.49 | -1,553 | 251.1K | -0.6% | -$86.2K |
| D | 2025-03-19 | 2025-03-17 | ALRM | Bradley Kevin Christopher | CFO | A - Grant | $0.00 | +25.0K | 54.2K | +86% | $0 |
| DM | 2025-03-14 | 2025-03-12 | ALRM | Valenzuela Steve | CFO | M - OptEx | $47.81 | +3,436 | 38.4K | +10% | +$164.3K |
| D | 2025-03-14 | 2025-03-12 | ALRM | Valenzuela Steve | CFO | S - Sale+OE | $58.45 | -3,436 | 37.5K | -8% | -$200.8K |
| D | 2025-03-10 | 2025-03-06 | ALRM | Valenzuela Steve | CFO | M - OptEx | $37.94 | +1,564 | 39.1K | +4% | +$59.3K |
| D | 2025-03-10 | 2025-03-06 | ALRM | Valenzuela Steve | CFO | S - Sale+OE | $59.57 | -1,564 | 37.5K | -4% | -$93.2K |
| D | 2024-12-17 | 2024-12-13 | ALRM | Kerzner Daniel | See Remarks | M - OptEx | $15.02 | +25.0K | 92.5K | +37% | +$375.5K |
| D | 2024-12-17 | 2024-12-13 | ALRM | Kerzner Daniel | See Remarks | S - Sale+OE | $66.40 | -32.9K | 59.7K | -36% | -$2.18M |
| DM | 2024-12-11 | 2024-12-10 | ALRM | Trundle Stephen | CEO, Dir | S - Sale+OE | $68.18 | -47.5K | 254.7K | -16% | -$3.24M |
| D | 2024-12-11 | 2024-12-10 | ALRM | Trundle Stephen | CEO, Dir | M - OptEx | $21.70 | +47.5K | 300.2K | +19% | +$1.03M |
| 2024-11-20 | 2024-11-20 | ALRM | Evans Stephen C. | Dir | S - Sale | $59.67 | -2,625 | 5,767 | -31% | -$156.6K | |
| D | 2024-08-27 | 2024-08-23 | ALRM | Ramos Daniel | See Remarks | M - OptEx | $37.94 | +1,250 | 50.6K | +3% | +$47.4K |
| D | 2024-08-27 | 2024-08-23 | ALRM | Ramos Daniel | See Remarks | S - Sale+OE | $61.81 | -9,476 | 41.1K | -19% | -$585.7K |
| 2024-08-23 | 2024-08-22 | ALRM | Valenzuela Steve | CFO | S - Sale | $60.27 | -7,400 | 37.5K | -16% | -$446.0K | |
| 2024-06-07 | 2024-06-06 | ALRM | WU Simone | Dir | A - Grant | $0.00 | +2,304 | 10.1K | +29% | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | Harper Cecile Burleigh | Dir | A - Grant | $0.00 | +2,304 | 2,304 | New | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | Clarke Donald E | Dir | A - Grant | $0.00 | +2,304 | 12.4K | +23% | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | Evans Stephen C. | Dir | A - Grant | $0.00 | +2,304 | 8,392 | +38% | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | Whall Timothy J. | Dir | A - Grant | $0.00 | +2,304 | 8,672 | +36% | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | NEVIN DARIUS G | Dir | A - Grant | $0.00 | +2,304 | 21.9K | +12% | $0 | |
| 2024-06-07 | 2024-06-06 | ALRM | McAdam Timothy P | Dir | A - Grant | $0.00 | +2,304 | 105.1K | +2% | $0 | |
| D | 2024-05-24 | 2024-05-22 | ALRM | Trundle Stephen | CEO, Dir | F - Tax | $67.02 | -2,255 | 252.7K | -0.9% | -$151.1K |
| D | 2024-05-24 | 2024-05-22 | ALRM | Trundle Stephen | CEO, Dir | A - Grant | $0.00 | +25.0K | 254.9K | +11% | $0 |
| D | 2024-05-24 | 2024-05-22 | ALRM | Valenzuela Steve | CFO | F - Tax | $67.02 | -1,128 | 44.9K | -2% | -$75.6K |
| D | 2024-05-24 | 2024-05-22 | ALRM | Valenzuela Steve | CFO | A - Grant | $0.00 | +12.5K | 46.0K | +37% | $0 |
| D | 2024-05-24 | 2024-05-22 | ALRM | Kerzner Daniel | See Remarks | F - Tax | $67.02 | -1,579 | 67.5K | -2% | -$105.8K |
| D | 2024-05-24 | 2024-05-22 | ALRM | Kerzner Daniel | See Remarks | A - Grant | $0.00 | +17.5K | 69.1K | +34% | $0 |
| D | 2024-05-24 | 2024-05-22 | ALRM | Ramos Daniel | See Remarks | A - Grant | $0.00 | +14.0K | 50.2K | +39% | $0 |
| D | 2024-05-24 | 2024-05-22 | ALRM | Ramos Daniel | See Remarks | F - Tax | $67.02 | -906 | 49.3K | -2% | -$60.7K |
| D | 2024-05-24 | 2024-05-22 | ALRM | BEDELL JEFFREY A | See Remarks | A - Grant | $0.00 | +17.5K | 494.4K | +4% | $0 |
| D | 2024-05-24 | 2024-05-22 | ALRM | BEDELL JEFFREY A | See Remarks | F - Tax | $67.02 | -1,054 | 493.3K | -0.2% | -$70.6K |
| 2024-05-17 | 2024-05-15 | ALRM | Ramos Daniel | See Remarks | F - Tax | $70.05 | -2,050 | 36.2K | -5% | -$143.6K | |
| 2024-05-17 | 2024-05-15 | ALRM | Kerzner Daniel | See Remarks | F - Tax | $70.05 | -2,933 | 51.6K | -5% | -$205.5K | |
| 2024-05-17 | 2024-05-15 | ALRM | Valenzuela Steve | CFO | F - Tax | $70.05 | -2,256 | 33.5K | -6% | -$158.0K | |
| 2024-05-17 | 2024-05-15 | ALRM | Trundle Stephen | CEO, Dir | F - Tax | $70.05 | -4,512 | 229.9K | -2% | -$316.1K | |
| 2024-05-17 | 2024-05-15 | ALRM | BEDELL JEFFREY A | See Remarks | F - Tax | $70.05 | -2,393 | 476.9K | -0.5% | -$167.6K | |
| T | 2024-04-03 | 2024-04-02 | ALRM | Ramos Daniel | See Remarks | S - Sale | $70.00 | -1,418 | 38.3K | -4% | -$99.3K |
| T | 2024-04-03 | 2024-03-01 | ALRM | Trundle Stephen | CEO, Dir | G - Gift | $0.00 | -5,000 | 237.7K | -2% | $0 |
Purchase Sale Sale after option exercise All abbreviations