Stephen Trundle bought $1.3M of ALRM
Chief Executive Officer at Alarm.com Holdings, Inc.. 26,000 shares at an average of $48.36, traded Nov 18, 2025, filed Nov 20, 2025.
Score components
- +25RoleCEO
- +25Trade size$1.3M at market
- 0Relative to holdingsHoldings up 2.0%
- +14Price context4% above the 52-week low; 29% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-25-290133, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 18, 2025 | POpen-market purchase Common Stockindirect: By LLC | +3,531 | $48.57 | $172k | 1,292,874 | Nov 20, 2025 |
| Nov 19, 2025 | POpen-market purchase Common Stockindirect: By LLC | +12,469 | $48.53 | $605k | 1,305,343 | Nov 20, 2025 |
| Nov 20, 2025 | POpen-market purchase Common Stockindirect: By LLC | +9,900 | $48.06 | $476k | 1,315,243 | Nov 20, 2025 |
| Nov 20, 2025 | POpen-market purchase Common Stockindirect: By LLC | +100 | $48.66 | $4,866 | 1,315,343 | Nov 20, 2025 |
Related signals
Other insiders at Alarm.com Holdings, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 33Weak | Alarm.com Holdings, Inc. | Darius G Nevin director | $1.7M 36,000 shares | -60% | |
| 18Weak | Alarm.com Holdings, Inc. | Kevin Christopher Bradley Chief Financial Officer | $69k 1,510 shares | -3% | |
| 33Weak | Alarm.com Holdings, Inc. | Jeffrey A Bedell See Remarks | $1.2M 22,727 shares | -4% | |
| 35Weak | Alarm.com Holdings, Inc. | Stephen C. Evans director | $60k 1,154 shares | -16% | |
| 18Weak | Alarm.com Holdings, Inc. | Jeffrey A Bedell See Remarks | $119k 2,273 shares | -0% | |
| 35Weak | ALRMsell Alarm.com Holdings, Inc. | Daniel Kerzner See Remarks | $1.5M 30,004 shares | -42% | |
| 8Weak | Alarm.com Holdings, Inc. | Kevin Christopher Bradley Chief Financial Officer | $43k 754 shares | -1% | |
| 27Weak | ALRMsell Alarm.com Holdings, Inc. | Stephen C. Evans director | $60k 1,000 shares | -12% | |
| 32Weak | Alarm.com Holdings, Inc. | Stephen Trundle Chief Executive Officer | $206k 3,644 shares | -1% | |
| 21Weak | Alarm.com Holdings, Inc. | Daniel Kerzner See Remarks | $125k 2,213 shares | -3% |
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.