Insider · CIK 0001643898
Stephen Trundle
Files at ALRM (Alarm.com Holdings, Inc.). First filing Dec 11, 2024, latest Nov 20, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ALRM: Alarm.com Holdings, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 64Notable | ALRMbuy Alarm.com Holdings, Inc. | $1.3M 26,000 shares | +2% | +4% from low-29% from high | |
| 32Weak | Alarm.com Holdings, Inc. | $206k 3,644 shares | -1% | +15% from low-18% from high | |
| 32Weak | Alarm.com Holdings, Inc. | $216k 3,626 shares | -1% | +21% from low-13% from high | |
| 29Weak | Alarm.com Holdings, Inc. | $86k 1,553 shares | -1% | +7% from low-19% from high | |
| 48Moderate | Alarm.com Holdings, Inc. | $3.2M 47,500 shares | -16% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 2, 2026 | ALRM Alarm.com Holdings, Inc. | GGift Common Stock | -2,000 | $0.00 | $0 | 322,842 | 38 d ago |
| Nov 18, 2025 | ALRM Alarm.com Holdings, Inc. | POpen-market purchase Common Stockindirect: By LLC | +3,531 | $48.57 | $172k | 1,292,874 | Nov 20, 2025 |
| Nov 19, 2025 | ALRM Alarm.com Holdings, Inc. | POpen-market purchase Common Stockindirect: By LLC | +12,469 | $48.53 | $605k | 1,305,343 | Nov 20, 2025 |
| Nov 20, 2025 | ALRM Alarm.com Holdings, Inc. | POpen-market purchase Common Stockindirect: By LLC | +9,900 | $48.06 | $476k | 1,315,243 | Nov 20, 2025 |
| Nov 20, 2025 | ALRM Alarm.com Holdings, Inc. | POpen-market purchase Common Stockindirect: By LLC | +100 | $48.66 | $4,866 | 1,315,343 | Nov 20, 2025 |
| May 22, 2025 | ALRM Alarm.com Holdings, Inc. | AGrant or award Common Stock10b5-1 | +25,000 | $0.00 | $0 | 272,503 | May 27, 2025 |
| May 23, 2025 | ALRM Alarm.com Holdings, Inc. | SOpen-market sale Common Stock10b5-1 | -3,644 | $56.66 | $206k | 268,859 | May 27, 2025 |
| May 22, 2025 | ALRM Alarm.com Holdings, Inc. | AGrant or award Employee Stock Option (Right to Buy)derivative10b5-1 | +40,000 | $0.00 | $0 | 40,000 | May 27, 2025 |
| May 16, 2025 | ALRM Alarm.com Holdings, Inc. | SOpen-market sale Common Stock10b5-1 | -3,626 | $59.51 | $216k | 247,503 | May 16, 2025 |
| Apr 2, 2025 | ALRM Alarm.com Holdings, Inc. | SOpen-market sale Common Stock10b5-1 | -1,553 | $55.49 | $86k | 251,129 | Apr 4, 2025 |
| Dec 10, 2024 | ALRM Alarm.com Holdings, Inc. | MOption exercise Common Stock | +47,500 | $21.70 | $1.0M | 300,182 | Dec 11, 2024 |
| Dec 10, 2024 | ALRM Alarm.com Holdings, Inc. | SOpen-market sale Common Stock | -45,501 | $68.15 | $3.1M | 254,681 | Dec 11, 2024 |
| Dec 10, 2024 | ALRM Alarm.com Holdings, Inc. | SOpen-market sale Common Stock | -1,999 | $68.81 | $138k | 252,682 | Dec 11, 2024 |
| Dec 10, 2024 | ALRM Alarm.com Holdings, Inc. | MOption exercise Stock Option (Right to Buy)derivative | -47,500 | $0.00 | $0 | 0 | Dec 11, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.