Alarm.com Holdings Inc (ALRM)

Alarm.com Holdings Inc. experienced significant insider trading activity recently, with executives offloading shares totaling approximately $6.36 million. CEO Stephen Trundle and CFO Kevin Bradley led these divestments. Despite these sales, the stock price rose 15.2% over the last quarter, currently trading near its 52-week high following the company's latest earnings report.
Ticker: ALRM Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Alarm.com Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
340.79
Quantity 19,098 -30.9%
Value US$2,811,611
2.2
STEPHEN TRUNDLE Officer; Director Executive Director
Transaction date
Proposed sale
Price
61.34
Quantity 51,896
Value US$3,529,730
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
114.84
Quantity 26,964 -10.2%
Value US$181,553
2.2
KEVIN C. BRADLEY Officer Officer
Transaction date
Proposed sale
Price
55.07
Quantity 5,400
Value US$297,372
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
48.46
Quantity 724 -0.9%
Value US$35,085
2.2
KEVIN BRADLEY Officer Officer
Transaction date
Proposed sale
Price
48.46
Quantity 724
Value US$35,083
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
46.50
Quantity 2,000 -3.6%
Value US$93,000
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
46.50
Quantity 2,000 -3.6%
Value US$93,000
3.6
DANIEL J. RAMOS Officer Officer
Transaction date
Proposed sale
Price
46.50
Quantity 2,000
Value US$93,000
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
46.23
Quantity 8,000 -12.7%
Value US$369,840
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
46.15
Quantity 2,200 -2.5%
Value US$101,530
3.6
DANIEL J. RAMOS Officer Officer
Transaction date
Proposed sale
Price
46.23
Quantity 8,000
Value US$369,836
2.2
Kevin Bradley Officer Officer
Transaction date
Proposed sale
Price
46.15
Quantity 2,200
Value US$101,530
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Sale
Price
43.78
Quantity 6,073 -1.8%
Value US$265,876
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
43.78
Quantity 2,532 -3.9%
Value US$110,851
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
43.78
Quantity 3,944 -3.8%
Value US$172,668
2.2
STEPHEN TRUNDLE Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.78
Quantity 6,073
Value US$265,847
3.6
DANIEL RAMOS Officer Officer
Transaction date
Proposed sale
Price
43.78
Quantity 2,532
Value US$110,839
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
43.78
Quantity 3,944
Value US$172,650
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
43.78
Quantity 3,566
Value US$156,103
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
43.56
Quantity 1,561 -2.3%
Value US$67,997
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Sale
Price
43.56
Quantity 2,944 -0.9%
Value US$128,241
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
43.56
Quantity 1,915 -1.8%
Value US$83,417
3.6
DANIEL RAMOS Officer Officer
Transaction date
Proposed sale
Price
43.51
Quantity 1,561
Value US$67,917
2.2
STEPHEN TRUNDLE Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.51
Quantity 2,944
Value US$128,089
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
43.51
Quantity 1,915
Value US$83,319
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
43.51
Quantity 1,915
Value US$83,319
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
45.97
Quantity 1,510 -2.8%
Value US$69,415
3.0
NEVIN DARIUS G Non-Executive Director
Transaction date
Planned sale
Price
46.17
Quantity 36,000 -59.6%
Value US$1,662,120
3.0
DARIUS NEVIN Director Non-Executive Director
Transaction date
Proposed sale
Price
46.17
Quantity 36,000
Value US$1,662,224
2.2
KEVIN BRADLEY Officer Officer
Transaction date
Proposed sale
Price
45.97
Quantity 1,510
Value US$69,407
3.7
BEDELL JEFFREY A See Remarks Officer
Transaction date
Sale
Price
51.82
Quantity 22,727 -4.3%
Value US$1,177,713
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
51.82
Quantity 22,727
Value US$1,177,795
3.3
Evans Stephen C. Non-Executive Director
Transaction date
Sale
Price
52.27
Quantity 1,154 -15.9%
Value US$60,320
3.7
BEDELL JEFFREY A See Remarks Officer
Transaction date
Sale
Price
52.51
Quantity 2,273 -0.4%
Value US$119,355
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
52.51
Quantity 2,273
Value US$119,356
3.3
STEPHEN CARL EVANS Director Non-Executive Director
Transaction date
Proposed sale
Price
52.27
Quantity 1,154
Value US$60,325
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Purchase
Price
48.66
Quantity 100 +0.0%
Value US$4,866
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Purchase
Price
48.06
Quantity 9,900 +0.8%
Value US$475,794
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Purchase
Price
48.53
Quantity 12,469 +1.0%
Value US$605,121
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Purchase
Price
48.57
Quantity 3,531 +0.3%
Value US$171,501
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
50.33
Quantity 10,000 -16.1%
Value US$503,300
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
50.33
Quantity 10,000
Value US$503,298
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
50.29
Quantity 20,004 -27.8%
Value US$1,006,001
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
50.29
Quantity 20,004
Value US$1,005,967
2.2
KEVIN BRADLEY Officer Officer
Transaction date
Proposed sale
Price
56.75
Quantity 754
Value US$42,790
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
56.75
Quantity 754 -1.4%
Value US$42,790
3.3
Evans Stephen C. Non-Executive Director
Transaction date
Sale
Price
59.64
Quantity 1,000 -12.1%
Value US$59,640
3.3
STEPHEN EVANS Director Non-Executive Director
Transaction date
Proposed sale
Price
59.64
Quantity 1,000
Value US$59,640
3.3
SIEGBERT VALENZUELA Officer Officer
Transaction date
Proposed sale
Price
57.28
Quantity 6,874
Value US$393,717
3.6
DANIEL RAMOS Officer Officer
Transaction date
Proposed sale
Price
57.68
Quantity 7,000
Value US$403,782
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
57.68
Quantity 7,000 -14.2%
Value US$403,760
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
56.66
Quantity 2,213 -3.0%
Value US$125,389
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
56.66
Quantity 1,762 -3.5%
Value US$99,835
3.7
BEDELL JEFFREY A See Remarks Officer
Transaction date
Sale
Price
56.66
Quantity 2,204 -0.4%
Value US$124,879
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Sale
Price
56.66
Quantity 3,644 -1.3%
Value US$206,469
3.6
DANIEL RAMOS Officer Officer
Transaction date
Proposed sale
Price
56.66
Quantity 1,762
Value US$99,838
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
56.66
Quantity 2,213
Value US$125,392
2.2
STEPHEN S. TRUNDLE Officer; Director Executive Director
Transaction date
Proposed sale
Price
56.66
Quantity 3,644
Value US$206,475
3.3
SIEGBERT VALENZUELA Officer Officer
Transaction date
Proposed sale
Price
56.66
Quantity 1,574
Value US$89,185
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
56.66
Quantity 2,204
Value US$124,882
3.6
DANIEL KERZNER Officer Officer
Transaction date
Proposed sale
Price
59.34
Quantity 2,019
Value US$119,802
3.7
JEFFREY BEDELL Officer Officer
Transaction date
Proposed sale
Price
59.34
Quantity 2,019
Value US$119,802
3.6
DANIEL J. RAMOS Officer Officer
Transaction date
Proposed sale
Price
59.34
Quantity 1,646
Value US$97,669
3.3
SIEGBERT VALENZUELA Officer Officer
Transaction date
Proposed sale
Price
59.34
Quantity 1,552
Value US$92,091
2.2
STEPHEN TRUNDLE Officer; Director Executive Director
Transaction date
Proposed sale
Price
59.34
Quantity 3,626
Value US$215,157
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
59.51
Quantity 1,646 -4.3%
Value US$97,953
3.6
Kerzner Daniel See Remarks Officer
Transaction date
Sale
Price
59.51
Quantity 2,019 -3.4%
Value US$120,151
2.2
Bradley Kevin Christopher Chief Financial Officer Officer
Transaction date
Sale
Price
59.51
Quantity 390 -0.7%
Value US$23,209
3.7
BEDELL JEFFREY A See Remarks. Officer
Transaction date
Sale
Price
59.51
Quantity 2,019 -0.4%
Value US$120,151
2.2
Trundle Stephen Chief Executive Officer Executive Director
Transaction date
Sale
Price
59.51
Quantity 3,626 -1.4%
Value US$215,783
3.6
Ramos Daniel See Remarks Officer
Transaction date
Sale
Price
60.06
Quantity 6,890 -15.1%
Value US$413,813
3.6
DANIEL J. RAMOS Officer Officer
Transaction date
Proposed sale
Price
60.06
Quantity 6,890
Value US$413,786
3.3
SIEGBERT VALENZUELA Officer Officer
Transaction date
Proposed sale
Price
60.00
Quantity 1,723
Value US$103,380
3.6
Kerzner Daniel See Remarks
Transaction date
Sale
Price
55.49
Quantity 932 -1.6%
Value US$51,717
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-25 2026-08-24 PlS Planned sale

Chief Executive Officer

Executive Director
19,098 -30.9%
340.79
US$2,811,611
19,098 -30.9% 340.79 US$2,811,611
2026-08-24 2026-08-24 PrS Proposed sale

Officer; Director

Executive Director
51,896
61.34
US$3,529,730
51,896 61.34 US$3,529,730
2026-08-14 2026-08-12 S Sale

Chief Financial Officer

Officer
26,964 -10.2%
114.84
US$181,553
26,964 -10.2% 114.84 US$181,553
2026-08-12 2026-08-12 PrS Proposed sale

Officer

Officer
5,400
55.07
US$297,372
5,400 55.07 US$297,372
2026-07-02 2026-07-02 S Sale

Chief Financial Officer

Officer
724 -0.9%
48.46
US$35,085
724 -0.9% 48.46 US$35,085
2026-07-02 2026-07-02 PrS Proposed sale

Officer

Officer
724
48.46
US$35,083
724 48.46 US$35,083
2026-06-12 2026-06-12 S Sale

See Remarks

Officer
2,000 -3.6%
46.50
US$93,000
2,000 -3.6% 46.50 US$93,000
2026-06-12 2026-06-12 S Sale

See Remarks

Officer
2,000 -3.6%
46.50
US$93,000
2,000 -3.6% 46.50 US$93,000
2026-06-12 2026-06-12 PrS Proposed sale

Officer

Officer
2,000
46.50
US$93,000
2,000 46.50 US$93,000
2026-06-12 2026-06-10 S Sale

See Remarks

Officer
8,000 -12.7%
46.23
US$369,840
8,000 -12.7% 46.23 US$369,840
2026-06-12 2026-06-10 S Sale

Chief Financial Officer

Officer
2,200 -2.5%
46.15
US$101,530
2,200 -2.5% 46.15 US$101,530
2026-06-10 2026-06-10 PrS Proposed sale

Officer

Officer
8,000
46.23
US$369,836
8,000 46.23 US$369,836
2026-06-10 2026-06-10 PrS Proposed sale

Officer

Officer
2,200
46.15
US$101,530
2,200 46.15 US$101,530
2026-05-28 2026-05-26 S Sale

Chief Executive Officer

Executive Director
6,073 -1.8%
43.78
US$265,876
6,073 -1.8% 43.78 US$265,876
2026-05-28 2026-05-26 S Sale

See Remarks

Officer
2,532 -3.9%
43.78
US$110,851
2,532 -3.9% 43.78 US$110,851
2026-05-28 2026-05-26 S Sale

See Remarks

Officer
3,944 -3.8%
43.78
US$172,668
3,944 -3.8% 43.78 US$172,668
2026-05-26 2026-05-26 PrS Proposed sale

Officer; Director

Executive Director
6,073
43.78
US$265,847
6,073 43.78 US$265,847
2026-05-26 2026-05-26 PrS Proposed sale

Officer

Officer
2,532
43.78
US$110,839
2,532 43.78 US$110,839
2026-05-26 2026-05-26 PrS Proposed sale

Officer

Officer
3,944
43.78
US$172,650
3,944 43.78 US$172,650
2026-05-26 2026-05-26 PrS Proposed sale

Officer

Officer
3,566
43.78
US$156,103
3,566 43.78 US$156,103
2026-05-20 2026-05-18 S Sale

See Remarks

Officer
1,561 -2.3%
43.56
US$67,997
1,561 -2.3% 43.56 US$67,997
2026-05-20 2026-05-18 S Sale

Chief Executive Officer

Executive Director
2,944 -0.9%
43.56
US$128,241
2,944 -0.9% 43.56 US$128,241
2026-05-20 2026-05-18 S Sale

See Remarks

Officer
1,915 -1.8%
43.56
US$83,417
1,915 -1.8% 43.56 US$83,417
2026-05-18 2026-05-18 PrS Proposed sale

Officer

Officer
1,561
43.51
US$67,917
1,561 43.51 US$67,917
2026-05-18 2026-05-18 PrS Proposed sale

Officer; Director

Executive Director
2,944
43.51
US$128,089
2,944 43.51 US$128,089
2026-05-18 2026-05-18 PrS Proposed sale

Officer

Officer
1,915
43.51
US$83,319
1,915 43.51 US$83,319
2026-05-18 2026-05-18 PrS Proposed sale

Officer

Officer
1,915
43.51
US$83,319
1,915 43.51 US$83,319
2026-03-19 2026-03-18 S Sale

Chief Financial Officer

Officer
1,510 -2.8%
45.97
US$69,415
1,510 -2.8% 45.97 US$69,415
2026-03-19 2026-03-18 PlS Planned sale Non-Executive Director
36,000 -59.6%
46.17
US$1,662,120
36,000 -59.6% 46.17 US$1,662,120
2026-03-18 2026-03-18 PrS Proposed sale

Director

Non-Executive Director
36,000
46.17
US$1,662,224
36,000 46.17 US$1,662,224
2026-03-18 2026-03-18 PrS Proposed sale

Officer

Officer
1,510
45.97
US$69,407
1,510 45.97 US$69,407
2025-12-18 2025-12-16 S Sale

See Remarks

Officer
22,727 -4.3%
51.82
US$1,177,713
22,727 -4.3% 51.82 US$1,177,713
2025-12-16 2025-12-16 PrS Proposed sale

Officer

Officer
22,727
51.82
US$1,177,795
22,727 51.82 US$1,177,795
2025-12-16 2025-12-12 S Sale Non-Executive Director
1,154 -15.9%
52.27
US$60,320
1,154 -15.9% 52.27 US$60,320
2025-12-16 2025-12-12 S Sale

See Remarks

Officer
2,273 -0.4%
52.51
US$119,355
2,273 -0.4% 52.51 US$119,355
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
2,273
52.51
US$119,356
2,273 52.51 US$119,356
2025-12-12 2025-12-12 PrS Proposed sale

Director

Non-Executive Director
1,154
52.27
US$60,325
1,154 52.27 US$60,325
2025-11-20 2025-11-20 B Purchase

Chief Executive Officer

Executive Director
100 +0.0%
48.66
US$4,866
100 +0.0% 48.66 US$4,866
2025-11-20 2025-11-20 B Purchase

Chief Executive Officer

Executive Director
9,900 +0.8%
48.06
US$475,794
9,900 +0.8% 48.06 US$475,794
2025-11-20 2025-11-19 B Purchase

Chief Executive Officer

Executive Director
12,469 +1.0%
48.53
US$605,121
12,469 +1.0% 48.53 US$605,121
2025-11-20 2025-11-18 B Purchase

Chief Executive Officer

Executive Director
3,531 +0.3%
48.57
US$171,501
3,531 +0.3% 48.57 US$171,501
2025-11-14 2025-11-13 S Sale

See Remarks

Officer
10,000 -16.1%
50.33
US$503,300
10,000 -16.1% 50.33 US$503,300
2025-11-13 2025-11-13 PrS Proposed sale

Officer

Officer
10,000
50.33
US$503,298
10,000 50.33 US$503,298
2025-11-14 2025-11-12 S Sale

See Remarks

Officer
20,004 -27.8%
50.29
US$1,006,001
20,004 -27.8% 50.29 US$1,006,001
2025-11-12 2025-11-12 PrS Proposed sale

Officer

Officer
20,004
50.29
US$1,005,967
20,004 50.29 US$1,005,967
2025-07-02 2025-07-02 PrS Proposed sale

Officer

Officer
754
56.75
US$42,790
754 56.75 US$42,790
2025-07-02 2025-07-02 S Sale

Chief Financial Officer

Officer
754 -1.4%
56.75
US$42,790
754 -1.4% 56.75 US$42,790
2025-06-12 2025-06-11 S Sale Non-Executive Director
1,000 -12.1%
59.64
US$59,640
1,000 -12.1% 59.64 US$59,640
2025-06-11 2025-06-11 PrS Proposed sale

Director

Non-Executive Director
1,000
59.64
US$59,640
1,000 59.64 US$59,640
2025-05-28 2025-05-28 PrS Proposed sale

Officer

Officer
6,874
57.28
US$393,717
6,874 57.28 US$393,717
2025-05-27 2025-05-27 PrS Proposed sale

Officer

Officer
7,000
57.68
US$403,782
7,000 57.68 US$403,782
2025-05-27 2025-05-27 S Sale

See Remarks

Officer
7,000 -14.2%
57.68
US$403,760
7,000 -14.2% 57.68 US$403,760
2025-05-27 2025-05-23 S Sale

See Remarks

Officer
2,213 -3.0%
56.66
US$125,389
2,213 -3.0% 56.66 US$125,389
2025-05-27 2025-05-23 S Sale

See Remarks

Officer
1,762 -3.5%
56.66
US$99,835
1,762 -3.5% 56.66 US$99,835
2025-05-27 2025-05-23 S Sale

See Remarks

Officer
2,204 -0.4%
56.66
US$124,879
2,204 -0.4% 56.66 US$124,879
2025-05-27 2025-05-23 S Sale

Chief Executive Officer

Executive Director
3,644 -1.3%
56.66
US$206,469
3,644 -1.3% 56.66 US$206,469
2025-05-23 2025-05-23 PrS Proposed sale

Officer

Officer
1,762
56.66
US$99,838
1,762 56.66 US$99,838
2025-05-23 2025-05-23 PrS Proposed sale

Officer

Officer
2,213
56.66
US$125,392
2,213 56.66 US$125,392
2025-05-23 2025-05-23 PrS Proposed sale

Officer; Director

Executive Director
3,644
56.66
US$206,475
3,644 56.66 US$206,475
2025-05-23 2025-05-23 PrS Proposed sale

Officer

Officer
1,574
56.66
US$89,185
1,574 56.66 US$89,185
2025-05-23 2025-05-23 PrS Proposed sale

Officer

Officer
2,204
56.66
US$124,882
2,204 56.66 US$124,882
2025-05-16 2025-05-16 PrS Proposed sale

Officer

Officer
2,019
59.34
US$119,802
2,019 59.34 US$119,802
2025-05-16 2025-05-16 PrS Proposed sale

Officer

Officer
2,019
59.34
US$119,802
2,019 59.34 US$119,802
2025-05-16 2025-05-16 PrS Proposed sale

Officer

Officer
1,646
59.34
US$97,669
1,646 59.34 US$97,669
2025-05-16 2025-05-16 PrS Proposed sale

Officer

Officer
1,552
59.34
US$92,091
1,552 59.34 US$92,091
2025-05-16 2025-05-16 PrS Proposed sale

Officer; Director

Executive Director
3,626
59.34
US$215,157
3,626 59.34 US$215,157
2025-05-16 2025-05-16 S Sale

See Remarks

Officer
1,646 -4.3%
59.51
US$97,953
1,646 -4.3% 59.51 US$97,953
2025-05-16 2025-05-16 S Sale

See Remarks

Officer
2,019 -3.4%
59.51
US$120,151
2,019 -3.4% 59.51 US$120,151
2025-05-16 2025-05-16 S Sale

Chief Financial Officer

Officer
390 -0.7%
59.51
US$23,209
390 -0.7% 59.51 US$23,209
2025-05-16 2025-05-16 S Sale

See Remarks.

Officer
2,019 -0.4%
59.51
US$120,151
2,019 -0.4% 59.51 US$120,151
2025-05-16 2025-05-16 S Sale

Chief Executive Officer

Executive Director
3,626 -1.4%
59.51
US$215,783
3,626 -1.4% 59.51 US$215,783
2025-05-16 2025-05-14 S Sale

See Remarks

Officer
6,890 -15.1%
60.06
US$413,813
6,890 -15.1% 60.06 US$413,813
2025-05-14 2025-05-14 PrS Proposed sale

Officer

Officer
6,890
60.06
US$413,786
6,890 60.06 US$413,786
2025-05-13 2025-05-13 PrS Proposed sale

Officer

Officer
1,723
60.00
US$103,380
1,723 60.00 US$103,380
2025-04-04 2025-04-02 S Sale

See Remarks

932 -1.6%
55.49
US$51,717
932 -1.6% 55.49 US$51,717

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