ALRM

Alarm.com Holdings, Inc.

Insider trading activity for Alarm.com Holdings, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$3.2M

net selling

Bought(0 · 0 insiders): $0
Sold(3 · 2 insiders): $3.2M

Past 6 months

-$4.6M

net selling

Bought(0 · 0 insiders): $0
Sold(12 · 4 insiders): $4.6M

Past 12 months

-$8M

net selling

Bought(4 · 1 insiders): $1.3M
Sold(19 · 7 insiders): $9.2M

Transaction history

The 78 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 2	Trundle Stephen	Chief Executive Officer	GGIFT	2,000	—	—	-0.6%	Open the original filing on SEC.gov
Aug 24	Trundle Stephen	Chief Executive Officer	MEXER◷◆	50,000	—	—	—	Open the original filing on SEC.gov
Aug 24	Trundle Stephen	Chief Executive Officer	SSELL◷	50,000	$57.67	$2.9M	-13.3%	Open the original filing on SEC.gov
Aug 24	Trundle Stephen	Chief Executive Officer	MEXER◷	50,000	$32.17	$1.6M	+15.4%	Open the original filing on SEC.gov
Aug 12	Bradley Kevin Christophe…	Chief Financial Officer	SSELL	5,400	$55.07	$297.4K	-6.5%	Open the original filing on SEC.gov
Jul 2	Bradley Kevin Christophe…	Chief Financial Officer	SSELL◷	724	$48.46	$35.1K	-0.9%	Open the original filing on SEC.gov
Jun 12	Ramos Daniel	See Remarks	SSELL	2,000	$46.50	$93K	-3.6%	Open the original filing on SEC.gov
Jun 10	Ramos Daniel	See Remarks	SSELL	8,000	$46.23	$369.8K	-12.7%	Open the original filing on SEC.gov
Jun 10	Bradley Kevin Christophe…	Chief Financial Officer	SSELL	2,200	$46.15	$101.5K	-2.5%	Open the original filing on SEC.gov
Jun 4	Whall Timothy J.	Director	AGRANT	3,222	—	—	+28.8%	Open the original filing on SEC.gov
Jun 4	Nevin Darius G	Director	AGRANT	3,222	—	—	+13.2%	Open the original filing on SEC.gov
Jun 4	Clarke Donald E	Director	AGRANT	3,222	—	—	+21.6%	Open the original filing on SEC.gov
Jun 4	McAdam Timothy P	Director	AGRANT	3,222	—	—	+3.2%	Open the original filing on SEC.gov
Jun 4	WU Simone	Director	AGRANT	3,222	—	—	+25.5%	Open the original filing on SEC.gov
Jun 4	Harper Cecile Burleigh	Director	AGRANT	3,222	—	—	+66.9%	Open the original filing on SEC.gov
Jun 4	Evans Stephen C.	Director	AGRANT	3,222	—	—	+52.6%	Open the original filing on SEC.gov
May 26	Trundle Stephen	Chief Executive Officer	SSELL◷	6,073	$43.78	$265.9K	-1.8%	Open the original filing on SEC.gov
May 26	Ramos Daniel	See Remarks	SSELL◷	2,532	$43.78	$110.9K	-3.9%	Open the original filing on SEC.gov
May 26	Kerzner Daniel	See Remarks	SSELL◷	3,944	$43.78	$172.7K	-3.8%	Open the original filing on SEC.gov
May 18	Kerzner Daniel	See Remarks	SSELL◷	1,915	$43.56	$83.4K	-1.8%	Open the original filing on SEC.gov
May 18	Ramos Daniel	See Remarks	SSELL◷	1,561	$43.56	$68K	-2.3%	Open the original filing on SEC.gov
May 18	Trundle Stephen	Chief Executive Officer	SSELL◷	2,944	$43.56	$128.2K	-0.9%	Open the original filing on SEC.gov
Apr 8	Trundle Stephen	Chief Executive Officer	AGRANT	65,000	—	—	+24.2%	Open the original filing on SEC.gov
Apr 8	Bradley Kevin Christophe…	Chief Financial Officer	AGRANT	35,000	—	—	+67.9%	Open the original filing on SEC.gov
Apr 8	Ramos Daniel	See Remarks	AGRANT	25,000	—	—	+59.3%	Open the original filing on SEC.gov
Apr 8	Kerzner Daniel	See Remarks	AGRANT	55,000	—	—	+105.8%	Open the original filing on SEC.gov
Mar 18	Bradley Kevin Christophe…	Chief Financial Officer	SSELL◷	1,510	$45.97	$69.4K	-2.9%	Open the original filing on SEC.gov
Mar 18	Nevin Darius G	Director	MEXER◷◆	36,000	—	—	—	Open the original filing on SEC.gov
Mar 18	Nevin Darius G	Director	SSELL◷	36,000	$46.17	$1.7M	-59.6%	Open the original filing on SEC.gov
Mar 18	Nevin Darius G	Director	MEXER◷	36,000	$21.70	$781.2K	+147.7%	Open the original filing on SEC.gov
Dec 16, 2025	Bedell Jeffrey A	See Remarks	MEXER◆	22,727	—	—	—	Open the original filing on SEC.gov
Dec 16, 2025	Bedell Jeffrey A	See Remarks	SSELL	22,727	$51.82	$1.2M	-4.3%	Open the original filing on SEC.gov
Dec 16, 2025	Bedell Jeffrey A	See Remarks	MEXER	22,727	$15.02	$341.4K	+4.5%	Open the original filing on SEC.gov
Dec 12, 2025	Bedell Jeffrey A	See Remarks	MEXER◆	2,273	—	—	—	Open the original filing on SEC.gov
Dec 12, 2025	Bedell Jeffrey A	See Remarks	SSELL	2,273	$52.51	$119.4K	-0.4%	Open the original filing on SEC.gov
Dec 12, 2025	Bedell Jeffrey A	See Remarks	MEXER	2,273	$15.02	$34.1K	+0.4%	Open the original filing on SEC.gov
Dec 12, 2025	Evans Stephen C.	Director	SSELL	1,154	$52.27	$60.3K	-15.9%	Open the original filing on SEC.gov
Nov 25, 2025	McAdam Timothy P	Director	GGIFT	7,000	—	—	-6.5%	Open the original filing on SEC.gov
Nov 20, 2025	Trundle Stephen	Chief Executive Officer	PBUY	100	$48.66	$4.9K	+<0.1%	Open the original filing on SEC.gov
Nov 20, 2025	Trundle Stephen	Chief Executive Officer	PBUY	9,900	$48.06	$475.8K	+0.8%	Open the original filing on SEC.gov
Nov 19, 2025	Trundle Stephen	Chief Executive Officer	PBUY▲	12,469	$48.53	$605.1K	+1.0%	Open the original filing on SEC.gov
Nov 18, 2025	Trundle Stephen	Chief Executive Officer	PBUY★	3,531	$48.57	$171.5K	+0.3%	Open the original filing on SEC.gov
Nov 13, 2025	Kerzner Daniel	See Remarks	MEXER◆	10,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Kerzner Daniel	See Remarks	SSELL	10,000	$50.33	$503.3K	-16.1%	Open the original filing on SEC.gov
Nov 13, 2025	Kerzner Daniel	See Remarks	MEXER	10,000	$15.02	$150.2K	+19.2%	Open the original filing on SEC.gov
Nov 12, 2025	Kerzner Daniel	See Remarks	SSELL	20,004	$50.29	$1M	-27.8%	Open the original filing on SEC.gov
Jul 2, 2025	Bradley Kevin Christophe…	Chief Financial Officer	SSELL◷	754	$56.75	$42.8K	-1.4%	Open the original filing on SEC.gov
Jun 11, 2025	Evans Stephen C.	Director	SSELL	1,000	$59.64	$59.6K	-12.1%	Open the original filing on SEC.gov
Jun 5, 2025	McAdam Timothy P	Director	AGRANT	2,510	—	—	+2.4%	Open the original filing on SEC.gov
Jun 5, 2025	Evans Stephen C.	Director	AGRANT	2,510	—	—	+43.5%	Open the original filing on SEC.gov
Jun 5, 2025	Nevin Darius G	Director	AGRANT	2,510	—	—	+11.5%	Open the original filing on SEC.gov
Jun 5, 2025	Whall Timothy J.	Director	AGRANT	2,510	—	—	+28.9%	Open the original filing on SEC.gov
Jun 5, 2025	Clarke Donald E	Director	AGRANT	2,510	—	—	+20.2%	Open the original filing on SEC.gov
Jun 5, 2025	WU Simone	Director	AGRANT	2,510	—	—	+24.8%	Open the original filing on SEC.gov
Jun 5, 2025	Harper Cecile Burleigh	Director	AGRANT	2,510	—	—	+108.9%	Open the original filing on SEC.gov
May 27, 2025	Ramos Daniel	See Remarks	SSELL◷	7,000	$57.68	$403.8K	-14.2%	Open the original filing on SEC.gov
May 23, 2025	Ramos Daniel	See Remarks	SSELL◷	1,762	$56.66	$99.8K	-3.5%	Open the original filing on SEC.gov
May 23, 2025	Bedell Jeffrey A	See Remarks	SSELL◷	2,204	$56.66	$124.9K	-0.4%	Open the original filing on SEC.gov
May 23, 2025	Kerzner Daniel	See Remarks	SSELL◷	2,213	$56.66	$125.4K	-3.0%	Open the original filing on SEC.gov
May 23, 2025	Trundle Stephen	Chief Executive Officer	SSELL◷	3,644	$56.66	$206.5K	-1.3%	Open the original filing on SEC.gov
May 22, 2025	Ramos Daniel	See Remarks	AGRANT◷◆	14,000	—	—	—	Open the original filing on SEC.gov
May 22, 2025	Ramos Daniel	See Remarks	AGRANT◷	14,000	—	—	+37.9%	Open the original filing on SEC.gov
May 22, 2025	Bedell Jeffrey A	See Remarks	AGRANT◷◆	22,500	—	—	—	Open the original filing on SEC.gov
May 22, 2025	Bedell Jeffrey A	See Remarks	AGRANT◷	17,500	—	—	+3.6%	Open the original filing on SEC.gov
May 22, 2025	Kerzner Daniel	See Remarks	AGRANT◷◆	22,500	—	—	—	Open the original filing on SEC.gov
May 22, 2025	Kerzner Daniel	See Remarks	AGRANT◷	17,500	—	—	+30.9%	Open the original filing on SEC.gov
May 22, 2025	Trundle Stephen	Chief Executive Officer	AGRANT◷◆	40,000	—	—	—	Open the original filing on SEC.gov
May 22, 2025	Trundle Stephen	Chief Executive Officer	AGRANT◷	25,000	—	—	+10.1%	Open the original filing on SEC.gov
May 16, 2025	Ramos Daniel	See Remarks	SSELL◷	1,646	$59.51	$98K	-4.3%	Open the original filing on SEC.gov
May 16, 2025	Kerzner Daniel	See Remarks	SSELL◷	2,019	$59.51	$120.2K	-3.4%	Open the original filing on SEC.gov
May 16, 2025	Bradley Kevin Christophe…	Chief Financial Officer	SSELL◷	390	$59.51	$23.2K	-0.7%	Open the original filing on SEC.gov
May 16, 2025	Bedell Jeffrey A	See Remarks.	SSELL◷	2,019	$59.51	$120.2K	-0.4%	Open the original filing on SEC.gov
May 16, 2025	Trundle Stephen	Chief Executive Officer	SSELL◷	3,626	$59.51	$215.8K	-1.4%	Open the original filing on SEC.gov
May 14, 2025	Ramos Daniel	See Remarks	MEXER◷◆	3,500	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Ramos Daniel	See Remarks	MEXER◷◆	1,667	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Ramos Daniel	See Remarks	SSELL◷	6,890	$60.06	$413.8K	-15.2%	Open the original filing on SEC.gov
May 14, 2025	Ramos Daniel	See Remarks	MEXER◷	3,500	$51.50	$180.3K	+8.3%	Open the original filing on SEC.gov
May 14, 2025	Ramos Daniel	See Remarks	MEXER◷	1,667	$37.94	$63.2K	+4.1%	Open the original filing on SEC.gov

GGIFT—

Trundle Stephen · Chief Executive…Sep 2

2,000 sh · -0.6% own

MEXER◷◆—

Trundle Stephen · Chief Executive…Aug 24

50,000 sh

SSELL◷$2.9M

Trundle Stephen · Chief Executive…Aug 24

50,000 sh @ $57.67 · -13.3% own

MEXER◷$1.6M

Trundle Stephen · Chief Executive…Aug 24

50,000 sh @ $32.17 · +15.4% own

SSELL$297.4K

Bradley Kevin Christophe… · Chief Financial…Aug 12

5,400 sh @ $55.07 · -6.5% own

SSELL◷$35.1K

Bradley Kevin Christophe… · Chief Financial…Jul 2

724 sh @ $48.46 · -0.9% own

SSELL$93K

Ramos Daniel · See RemarksJun 12

2,000 sh @ $46.50 · -3.6% own

SSELL$369.8K

Ramos Daniel · See RemarksJun 10

8,000 sh @ $46.23 · -12.7% own

SSELL$101.5K

Bradley Kevin Christophe… · Chief Financial…Jun 10

2,200 sh @ $46.15 · -2.5% own

AGRANT—

Whall Timothy J. · DirectorJun 4

3,222 sh · +28.8% own

AGRANT—

Nevin Darius G · DirectorJun 4

3,222 sh · +13.2% own

AGRANT—

Clarke Donald E · DirectorJun 4

3,222 sh · +21.6% own

AGRANT—

McAdam Timothy P · DirectorJun 4

3,222 sh · +3.2% own

AGRANT—

WU Simone · DirectorJun 4

3,222 sh · +25.5% own

AGRANT—

Harper Cecile Burleigh · DirectorJun 4

3,222 sh · +66.9% own

AGRANT—

Evans Stephen C. · DirectorJun 4

3,222 sh · +52.6% own

SSELL◷$265.9K

Trundle Stephen · Chief Executive…May 26

6,073 sh @ $43.78 · -1.8% own

SSELL◷$110.9K

Ramos Daniel · See RemarksMay 26

2,532 sh @ $43.78 · -3.9% own

SSELL◷$172.7K

Kerzner Daniel · See RemarksMay 26

3,944 sh @ $43.78 · -3.8% own

SSELL◷$83.4K

Kerzner Daniel · See RemarksMay 18

1,915 sh @ $43.56 · -1.8% own

SSELL◷$68K

Ramos Daniel · See RemarksMay 18

1,561 sh @ $43.56 · -2.3% own

SSELL◷$128.2K

Trundle Stephen · Chief Executive…May 18

2,944 sh @ $43.56 · -0.9% own

AGRANT—

Trundle Stephen · Chief Executive…Apr 8

65,000 sh · +24.2% own

AGRANT—

Bradley Kevin Christophe… · Chief Financial…Apr 8

35,000 sh · +67.9% own

AGRANT—

Ramos Daniel · See RemarksApr 8

25,000 sh · +59.3% own

AGRANT—

Kerzner Daniel · See RemarksApr 8

55,000 sh · +105.8% own

SSELL◷$69.4K

Bradley Kevin Christophe… · Chief Financial…Mar 18

1,510 sh @ $45.97 · -2.9% own

MEXER◷◆—

Nevin Darius G · DirectorMar 18

36,000 sh

SSELL◷$1.7M

Nevin Darius G · DirectorMar 18

36,000 sh @ $46.17 · -59.6% own

MEXER◷$781.2K

Nevin Darius G · DirectorMar 18

36,000 sh @ $21.70 · +147.7% own

MEXER◆—

Bedell Jeffrey A · See RemarksDec 16, 2025

22,727 sh

SSELL$1.2M

Bedell Jeffrey A · See RemarksDec 16, 2025

22,727 sh @ $51.82 · -4.3% own

MEXER$341.4K

Bedell Jeffrey A · See RemarksDec 16, 2025

22,727 sh @ $15.02 · +4.5% own

MEXER◆—

Bedell Jeffrey A · See RemarksDec 12, 2025

2,273 sh

SSELL$119.4K

Bedell Jeffrey A · See RemarksDec 12, 2025

2,273 sh @ $52.51 · -0.4% own

MEXER$34.1K

Bedell Jeffrey A · See RemarksDec 12, 2025

2,273 sh @ $15.02 · +0.4% own

SSELL$60.3K

Evans Stephen C. · DirectorDec 12, 2025

1,154 sh @ $52.27 · -15.9% own

GGIFT—

McAdam Timothy P · DirectorNov 25, 2025

7,000 sh · -6.5% own

PBUY$4.9K

Trundle Stephen · Chief Executive…Nov 20, 2025

100 sh @ $48.66 · +<0.1% own

PBUY$475.8K

Trundle Stephen · Chief Executive…Nov 20, 2025

9,900 sh @ $48.06 · +0.8% own

PBUY▲$605.1K

Trundle Stephen · Chief Executive…Nov 19, 2025

12,469 sh @ $48.53 · +1.0% own

PBUY★$171.5K

Trundle Stephen · Chief Executive…Nov 18, 2025

3,531 sh @ $48.57 · +0.3% own

MEXER◆—

Kerzner Daniel · See RemarksNov 13, 2025

10,000 sh

SSELL$503.3K

Kerzner Daniel · See RemarksNov 13, 2025

10,000 sh @ $50.33 · -16.1% own

MEXER$150.2K

Kerzner Daniel · See RemarksNov 13, 2025

10,000 sh @ $15.02 · +19.2% own

SSELL$1M

Kerzner Daniel · See RemarksNov 12, 2025

20,004 sh @ $50.29 · -27.8% own

SSELL◷$42.8K

Bradley Kevin Christophe… · Chief Financial…Jul 2, 2025

754 sh @ $56.75 · -1.4% own

SSELL$59.6K

Evans Stephen C. · DirectorJun 11, 2025

1,000 sh @ $59.64 · -12.1% own

AGRANT—

McAdam Timothy P · DirectorJun 5, 2025

2,510 sh · +2.4% own

AGRANT—

Evans Stephen C. · DirectorJun 5, 2025

2,510 sh · +43.5% own

AGRANT—

Nevin Darius G · DirectorJun 5, 2025

2,510 sh · +11.5% own

AGRANT—

Whall Timothy J. · DirectorJun 5, 2025

2,510 sh · +28.9% own

AGRANT—

Clarke Donald E · DirectorJun 5, 2025

2,510 sh · +20.2% own

AGRANT—

WU Simone · DirectorJun 5, 2025

2,510 sh · +24.8% own

AGRANT—

Harper Cecile Burleigh · DirectorJun 5, 2025

2,510 sh · +108.9% own

SSELL◷$403.8K

Ramos Daniel · See RemarksMay 27, 2025

7,000 sh @ $57.68 · -14.2% own

SSELL◷$99.8K

Ramos Daniel · See RemarksMay 23, 2025

1,762 sh @ $56.66 · -3.5% own

SSELL◷$124.9K

Bedell Jeffrey A · See RemarksMay 23, 2025

2,204 sh @ $56.66 · -0.4% own

SSELL◷$125.4K

Kerzner Daniel · See RemarksMay 23, 2025

2,213 sh @ $56.66 · -3.0% own

SSELL◷$206.5K

Trundle Stephen · Chief Executive…May 23, 2025

3,644 sh @ $56.66 · -1.3% own

AGRANT◷◆—

Ramos Daniel · See RemarksMay 22, 2025

14,000 sh

AGRANT◷—

Ramos Daniel · See RemarksMay 22, 2025

14,000 sh · +37.9% own

AGRANT◷◆—

Bedell Jeffrey A · See RemarksMay 22, 2025

22,500 sh

AGRANT◷—

Bedell Jeffrey A · See RemarksMay 22, 2025

17,500 sh · +3.6% own

AGRANT◷◆—

Kerzner Daniel · See RemarksMay 22, 2025

22,500 sh

AGRANT◷—

Kerzner Daniel · See RemarksMay 22, 2025

17,500 sh · +30.9% own

AGRANT◷◆—

Trundle Stephen · Chief Executive…May 22, 2025

40,000 sh

AGRANT◷—

Trundle Stephen · Chief Executive…May 22, 2025

25,000 sh · +10.1% own

SSELL◷$98K

Ramos Daniel · See RemarksMay 16, 2025

1,646 sh @ $59.51 · -4.3% own

SSELL◷$120.2K

Kerzner Daniel · See RemarksMay 16, 2025

2,019 sh @ $59.51 · -3.4% own

SSELL◷$23.2K

Bradley Kevin Christophe… · Chief Financial…May 16, 2025

390 sh @ $59.51 · -0.7% own

SSELL◷$120.2K

Bedell Jeffrey A · See Remarks.May 16, 2025

2,019 sh @ $59.51 · -0.4% own

SSELL◷$215.8K

Trundle Stephen · Chief Executive…May 16, 2025

3,626 sh @ $59.51 · -1.4% own

MEXER◷◆—

Ramos Daniel · See RemarksMay 14, 2025

3,500 sh

MEXER◷◆—

Ramos Daniel · See RemarksMay 14, 2025

1,667 sh

SSELL◷$413.8K

Ramos Daniel · See RemarksMay 14, 2025

6,890 sh @ $60.06 · -15.2% own

MEXER◷$180.3K

Ramos Daniel · See RemarksMay 14, 2025

3,500 sh @ $51.50 · +8.3% own

MEXER◷$63.2K

Ramos Daniel · See RemarksMay 14, 2025

1,667 sh @ $37.94 · +4.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 43 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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