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ALRMAlarm.com Holdings, Inc.

Market cap
$3.15B
as of 2026-10-23
Latest close
$64.14
as of 2026-10-23
Sector
Technology
as of 2026-10-24
Industry
Software - Application
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-11-16

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Trundle StephenChief Executive OfficerSep 2Sep 4G2,000$0.00$0322,842NoForm 4
Trundle StephenChief Executive OfficerAug 24Aug 25M50,000$32.17$1,608,500374,842YesForm 4
Trundle StephenChief Executive OfficerAug 24Aug 25S50,000$57.67Sale −$2,883,500324,842YesForm 4
Trundle StephenChief Executive OfficerAug 24Aug 25M · derivative50,000$32.17$1,608,500not reportedYesForm 4
Bradley Kevin ChristopherChief Financial OfficerAug 12Aug 14S5,400$55.07Sale −$297,37878,222NoForm 4
Bradley Kevin ChristopherChief Financial OfficerJul 2Jul 2S724$48.46Sale −$35,08583,622YesForm 4
Ramos DanielSee RemarksJun 12Jun 12S2,000$46.50Sale −$93,00053,099NoForm 4
Bradley Kevin ChristopherChief Financial OfficerJun 10Jun 12S2,200$46.15Sale −$101,53084,346NoForm 4
Ramos DanielSee RemarksJun 10Jun 12S8,000$46.23Sale −$369,84055,099NoForm 4
Evans Stephen C.Jun 4Jun 8A3,222$0.00$09,345NoForm 4
Harper Cecile BurleighJun 4Jun 8A3,222$0.00$08,036NoForm 4
WU SimoneJun 4Jun 8A3,222$0.00$015,855NoForm 4
McAdam Timothy PJun 4Jun 8A3,222$0.00$0103,838NoForm 4
Clarke Donald EJun 4Jun 8A3,222$0.00$018,175NoForm 4
Nevin Darius GJun 4Jun 8A3,222$0.00$027,597NoForm 4
Whall Timothy J.Jun 4Jun 8A3,222$0.00$014,404NoForm 4
Kerzner DanielSee RemarksMay 26May 28S3,944$43.78Sale −$172,668101,141YesForm 4
Ramos DanielSee RemarksMay 26May 28S2,532$43.78Sale −$110,85163,099YesForm 4
Trundle StephenChief Executive OfficerMay 26May 28S6,073$43.78Sale −$265,876324,842YesForm 4
Trundle StephenChief Executive OfficerMay 18May 20S2,944$43.56Sale −$128,241330,915YesForm 4
Ramos DanielSee RemarksMay 18May 20S1,561$43.56Sale −$67,99765,631YesForm 4
Kerzner DanielSee RemarksMay 18May 20S1,915$43.56Sale −$83,417105,085YesForm 4
Kerzner DanielSee RemarksApr 8Apr 10A55,000$0.00$0107,000NoForm 4
Ramos DanielSee RemarksApr 8Apr 10A25,000$0.00$067,192NoForm 4
Bradley Kevin ChristopherChief Financial OfficerApr 8Apr 10A35,000$0.00$086,546NoForm 4
Trundle StephenChief Executive OfficerApr 8Apr 10A65,000$0.00$0333,859NoForm 4
Nevin Darius GMar 18Mar 19M36,000$21.70$781,20060,375YesForm 4
Nevin Darius GMar 18Mar 19S36,000$46.17Sale −$1,662,12024,375YesForm 4
Nevin Darius GMar 18Mar 19M · derivative36,000$21.70$781,200not reportedYesForm 4
Bradley Kevin ChristopherChief Financial OfficerMar 18Mar 19S1,510$45.97Sale −$69,41551,546YesForm 4
Bedell Jeffrey ASee RemarksDec 16, 2025Dec 18, 2025M22,727$15.02$341,360528,532NoForm 4
Bedell Jeffrey ASee RemarksDec 16, 2025Dec 18, 2025S22,727$51.82Sale −$1,177,713505,805NoForm 4
Bedell Jeffrey ASee RemarksDec 16, 2025Dec 18, 2025M · derivative22,727$15.02$341,360not reportedNoForm 4
Evans Stephen C.Dec 12, 2025Dec 16, 2025S1,154$52.27Sale −$60,3206,123NoForm 4
Bedell Jeffrey ASee RemarksDec 12, 2025Dec 16, 2025M2,273$15.02$34,140508,078NoForm 4
Bedell Jeffrey ASee RemarksDec 12, 2025Dec 16, 2025S2,273$52.51Sale −$119,355505,805NoForm 4
Bedell Jeffrey ASee RemarksDec 12, 2025Dec 16, 2025M · derivative2,273$15.02$34,14022,727NoForm 4
McAdam Timothy PNov 25, 2025Nov 28, 2025G7,000$0.00$0100,616NoForm 4
Trundle StephenChief Executive OfficerNov 20, 2025Nov 20, 2025P9,900$48.06Purchase +$475,7941,315,243NoForm 4
Trundle StephenChief Executive OfficerNov 20, 2025Nov 20, 2025P100$48.66Purchase +$4,8661,315,343NoForm 4
Trundle StephenChief Executive OfficerNov 19, 2025Nov 20, 2025P12,469$48.53Purchase +$605,1211,305,343NoForm 4
Trundle StephenChief Executive OfficerNov 18, 2025Nov 20, 2025P3,531$48.57Purchase +$171,5011,292,874NoForm 4
Kerzner DanielSee RemarksNov 13, 2025Nov 14, 2025M10,000$15.02$150,20062,000NoForm 4
Kerzner DanielSee RemarksNov 13, 2025Nov 14, 2025S10,000$50.33Sale −$503,30052,000NoForm 4
Kerzner DanielSee RemarksNov 13, 2025Nov 14, 2025M · derivative10,000$15.02$150,200not reportedNoForm 4
Kerzner DanielSee RemarksNov 12, 2025Nov 14, 2025S20,004$50.29Sale −$1,006,00152,000NoForm 4
Bradley Kevin ChristopherChief Financial OfficerJul 2, 2025Jul 2, 2025S754$56.75Sale −$42,79053,056YesForm 4
Evans Stephen C.Jun 11, 2025Jun 12, 2025S1,000$59.64Sale −$59,6407,277NoForm 4
Harper Cecile BurleighJun 5, 2025Jun 6, 2025A2,510$0.00$04,814NoForm 4
WU SimoneJun 5, 2025Jun 6, 2025A2,510$0.00$012,633NoForm 4
Clarke Donald EJun 5, 2025Jun 6, 2025A2,510$0.00$014,953NoForm 4
Whall Timothy J.Jun 5, 2025Jun 6, 2025A2,510$0.00$011,182NoForm 4
Nevin Darius GJun 5, 2025Jun 6, 2025A2,510$0.00$024,375NoForm 4
Evans Stephen C.Jun 5, 2025Jun 6, 2025A2,510$0.00$08,277NoForm 4
McAdam Timothy PJun 5, 2025Jun 6, 2025A2,510$0.00$0107,616NoForm 4
Ramos DanielSee RemarksMay 27, 2025May 27, 2025S7,000$57.68Sale −$403,76042,192YesForm 4
Trundle StephenChief Executive OfficerMay 23, 2025May 27, 2025S3,644$56.66Sale −$206,469268,859YesForm 4
Kerzner DanielSee RemarksMay 23, 2025May 27, 2025S2,213$56.66Sale −$125,38972,004YesForm 4
Bedell Jeffrey ASee RemarksMay 23, 2025May 27, 2025S2,204$56.66Sale −$124,879505,805YesForm 4
Ramos DanielSee RemarksMay 23, 2025May 27, 2025S1,762$56.66Sale −$99,83549,192YesForm 4
Trundle StephenChief Executive OfficerMay 22, 2025May 27, 2025A25,000$0.00$0272,503YesForm 4
Trundle StephenChief Executive OfficerMay 22, 2025May 27, 2025A · derivative40,000$56.94$2,277,60040,000YesForm 4
Kerzner DanielSee RemarksMay 22, 2025May 27, 2025A17,500$0.00$074,217YesForm 4
Kerzner DanielSee RemarksMay 22, 2025May 27, 2025A · derivative22,500$56.94$1,281,15022,500YesForm 4
Bedell Jeffrey ASee RemarksMay 22, 2025May 27, 2025A17,500$0.00$0508,009YesForm 4
Bedell Jeffrey ASee RemarksMay 22, 2025May 27, 2025A · derivative22,500$56.94$1,281,15022,500YesForm 4
Ramos DanielSee RemarksMay 22, 2025May 27, 2025A14,000$0.00$050,954YesForm 4
Ramos DanielSee RemarksMay 22, 2025May 27, 2025A · derivative14,000$56.94$797,16014,000YesForm 4
Trundle StephenChief Executive OfficerMay 16, 2025May 16, 2025S3,626$59.51Sale −$215,783247,503YesForm 4
Bedell Jeffrey ASee Remarks.May 16, 2025May 16, 2025S2,019$59.51Sale −$120,151490,509YesForm 4
Bradley Kevin ChristopherChief Financial OfficerMay 16, 2025May 16, 2025S390$59.51Sale −$23,20953,810YesForm 4
Kerzner DanielSee RemarksMay 16, 2025May 16, 2025S2,019$59.51Sale −$120,15156,717YesForm 4
Ramos DanielSee RemarksMay 16, 2025May 16, 2025S1,646$59.51Sale −$97,95336,954YesForm 4
Ramos DanielSee RemarksMay 14, 2025May 16, 2025M1,667$37.94$63,24641,990YesForm 4
Ramos DanielSee RemarksMay 14, 2025May 16, 2025M3,500$51.50$180,25045,490YesForm 4
Ramos DanielSee RemarksMay 14, 2025May 16, 2025S6,890$60.06Sale −$413,81338,600YesForm 4
Ramos DanielSee RemarksMay 14, 2025May 16, 2025M · derivative1,667$37.94$63,246not reportedYesForm 4
Ramos DanielSee RemarksMay 14, 2025May 16, 2025M · derivative3,500$51.50$180,2508,400YesForm 4
Ramos DanielApr 2, 2025Apr 4, 2025S777$55.49Sale −$43,11640,323YesForm 4
Bedell Jeffrey AApr 2, 2025Apr 4, 2025S777$55.49Sale −$43,116492,528YesForm 4
Kerzner DanielApr 2, 2025Apr 4, 2025S932$55.49Sale −$51,71758,736YesForm 4
Trundle StephenChief Executive OfficerApr 2, 2025Apr 4, 2025S1,553$55.49Sale −$86,176251,129YesForm 4
Bradley Kevin ChristopherChief Financial OfficerMar 17, 2025Mar 19, 2025A25,000$0.00$054,200NoForm 4
Bradley Kevin ChristopherChief Financial OfficerMar 17, 2025Mar 19, 2025A · derivative25,000$58.36$1,459,00025,000NoForm 4
Valenzuela SteveChief Financial OfficerMar 12, 2025Mar 14, 2025M936$37.94$35,51238,436NoForm 4
Valenzuela SteveChief Financial OfficerMar 12, 2025Mar 14, 2025M2,500$51.50$128,75040,936NoForm 4
Valenzuela SteveChief Financial OfficerMar 12, 2025Mar 14, 2025S3,436$58.45Sale −$200,83437,500NoForm 4
Valenzuela SteveChief Financial OfficerMar 12, 2025Mar 14, 2025M · derivative936$37.94$35,512209NoForm 4
Valenzuela SteveChief Financial OfficerMar 12, 2025Mar 14, 2025M · derivative2,500$51.50$128,7507,917NoForm 4
Valenzuela SteveChief Financial OfficerMar 6, 2025Mar 10, 2025M1,564$37.94$59,33839,064NoForm 4
Valenzuela SteveChief Financial OfficerMar 6, 2025Mar 10, 2025S1,564$59.57Sale −$93,16737,500NoForm 4
Valenzuela SteveChief Financial OfficerMar 6, 2025Mar 10, 2025M · derivative1,564$37.94$59,3381,145NoForm 4
Kerzner DanielSee RemarksDec 13, 2024Dec 17, 2024M25,000$15.02$375,50092,519NoForm 4
Kerzner DanielSee RemarksDec 13, 2024Dec 17, 2024S32,851$66.40Sale −$2,181,30659,668NoForm 4
Kerzner DanielSee RemarksDec 13, 2024Dec 17, 2024M · derivative25,000$15.02$375,50010,000NoForm 4
Trundle StephenChief Executive OfficerDec 10, 2024Dec 11, 2024M47,500$21.70$1,030,750300,182NoForm 4
Trundle StephenChief Executive OfficerDec 10, 2024Dec 11, 2024S45,501$68.15Sale −$3,100,893254,681NoForm 4
Trundle StephenChief Executive OfficerDec 10, 2024Dec 11, 2024S1,999$68.81Sale −$137,551252,682NoForm 4
Trundle StephenChief Executive OfficerDec 10, 2024Dec 11, 2024M · derivative47,500$21.70$1,030,750not reportedNoForm 4
Evans Stephen C.Nov 20, 2024Nov 20, 2024S2,625$59.67Sale −$156,6345,767NoForm 4
Ramos DanielSee RemarksAug 23, 2024Aug 27, 2024M1,250$37.94$47,42550,576NoForm 4
Ramos DanielSee RemarksAug 23, 2024Aug 27, 2024S9,476$61.81Sale −$585,71241,100NoForm 4
Ramos DanielSee RemarksAug 23, 2024Aug 27, 2024M · derivative1,250$37.94$47,4251,667NoForm 4
Valenzuela SteveChief Financial OfficerAug 22, 2024Aug 23, 2024S7,400$60.27Sale −$445,99837,500NoForm 4
Clarke Donald EJun 6, 2024Jun 7, 2024A2,304$0.00$012,443NoForm 4
McAdam Timothy PJun 6, 2024Jun 7, 2024A2,304$0.00$0105,106NoForm 4
Nevin Darius GJun 6, 2024Jun 7, 2024A2,304$0.00$021,865NoForm 4
Whall Timothy J.Jun 6, 2024Jun 7, 2024A2,304$0.00$08,672NoForm 4
Evans Stephen C.Jun 6, 2024Jun 7, 2024A2,304$0.00$08,392NoForm 4
WU SimoneJun 6, 2024Jun 7, 2024A2,304$0.00$010,123NoForm 4
Harper Cecile BurleighJun 6, 2024Jun 7, 2024A2,304$0.00$02,304NoForm 4
Bedell Jeffrey AMay 22, 2024May 24, 2024A17,500$0.00$0494,359NoForm 4
Bedell Jeffrey AMay 22, 2024May 24, 2024F1,054$67.02$70,639493,305NoForm 4
Bedell Jeffrey AMay 22, 2024May 24, 2024A · derivative17,500$67.02$1,172,85017,500NoForm 4
Kerzner DanielSee RemarksMay 22, 2024May 24, 2024A17,500$0.00$069,098NoForm 4
Kerzner DanielSee RemarksMay 22, 2024May 24, 2024F1,579$67.02$105,82567,519NoForm 4
Kerzner DanielSee RemarksMay 22, 2024May 24, 2024A · derivative17,500$67.02$1,172,85017,500NoForm 4
Ramos DanielSee RemarksMay 22, 2024May 24, 2024A14,000$0.00$050,232NoForm 4
Ramos DanielSee RemarksMay 22, 2024May 24, 2024F906$67.02$60,72049,326NoForm 4
Ramos DanielSee RemarksMay 22, 2024May 24, 2024A · derivative14,000$67.02$938,28014,000NoForm 4
Trundle StephenChief Executive OfficerMay 22, 2024May 24, 2024A25,000$0.00$0254,937NoForm 4
Trundle StephenChief Executive OfficerMay 22, 2024May 24, 2024F2,255$67.02$151,130252,682NoForm 4
Trundle StephenChief Executive OfficerMay 22, 2024May 24, 2024A · derivative30,000$67.02$2,010,60030,000NoForm 4
Valenzuela SteveChief Financial OfficerMay 22, 2024May 24, 2024A12,500$0.00$046,028NoForm 4
Valenzuela SteveChief Financial OfficerMay 22, 2024May 24, 2024F1,128$67.02$75,59944,900NoForm 4
Valenzuela SteveChief Financial OfficerMay 22, 2024May 24, 2024A · derivative12,500$67.02$837,75012,500NoForm 4
Valenzuela SteveChief Financial OfficerMay 15, 2024May 17, 2024F2,256$70.05$158,03333,528NoForm 4
Bedell Jeffrey ASee RemarksMay 15, 2024May 17, 2024F2,393$70.05$167,630476,859NoForm 4
Ramos DanielSee RemarksMay 15, 2024May 17, 2024F2,050$70.05$143,60336,232NoForm 4
Trundle StephenChief Executive OfficerMay 15, 2024May 17, 2024F4,512$70.05$316,066229,937NoForm 4
Kerzner DanielSee RemarksMay 15, 2024May 17, 2024F2,933$70.05$205,45751,598NoForm 4
Bedell Jeffrey ASee RemarksApr 2, 2024Apr 3, 2024S1,418$70.00Sale −$99,260479,252YesForm 4
Kerzner DanielSee RemarksApr 2, 2024Apr 3, 2024S2,820$70.00Sale −$197,40054,531YesForm 4
Ramos DanielSee RemarksApr 2, 2024Apr 3, 2024S1,418$70.00Sale −$99,26038,282YesForm 4
Trundle StephenChief Executive OfficerApr 2, 2024Apr 3, 2024S3,217$70.00Sale −$225,190234,449YesForm 4
Valenzuela SteveChief Financial OfficerApr 2, 2024Apr 3, 2024S1,716$70.00Sale −$120,12035,784YesForm 4
Trundle StephenChief Executive OfficerMar 1, 2024Apr 3, 2024G5,000$0.00$0237,666YesForm 4
Nevin Darius GMar 15, 2024Mar 15, 2024S2,593$73.55Sale −$190,71519,561NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M208$59.10$12,29337,708NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M208$37.94$7,89237,916NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M208$51.50$10,71238,124NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M208$65.03$13,52638,332NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024S832$74.58Sale −$62,05137,500NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M · derivative208$59.10$12,2937,917NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M · derivative208$37.94$7,8922,709NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M · derivative208$51.50$10,71210,417NoForm 4
Valenzuela SteveChief Financial OfficerMar 7, 2024Mar 8, 2024M · derivative208$65.03$13,526209NoForm 4
Valenzuela SteveChief Financial OfficerFeb 29, 2024Feb 29, 2024M1,875$51.50$96,56339,375NoForm 4
Valenzuela SteveChief Financial OfficerFeb 29, 2024Feb 29, 2024M5,208$65.03$338,67644,583NoForm 4
Valenzuela SteveChief Financial OfficerFeb 29, 2024Feb 29, 2024S7,083$75.34Sale −$533,63337,500NoForm 4
Valenzuela SteveChief Financial OfficerFeb 29, 2024Feb 29, 2024M · derivative1,875$51.50$96,56310,625NoForm 4
Valenzuela SteveChief Financial OfficerFeb 29, 2024Feb 29, 2024M · derivative5,208$65.03$338,676417NoForm 4
Valenzuela SteveChief Financial OfficerFeb 27, 2024Feb 29, 2024M4,375$59.10$258,56341,875NoForm 4
Valenzuela SteveChief Financial OfficerFeb 27, 2024Feb 29, 2024M5,208$37.94$197,59247,083NoForm 4
Valenzuela SteveChief Financial OfficerFeb 27, 2024Feb 29, 2024S9,583$73.89Sale −$708,08837,500NoForm 4
Valenzuela SteveChief Financial OfficerFeb 27, 2024Feb 29, 2024M · derivative4,375$59.10$258,5638,125NoForm 4
Valenzuela SteveChief Financial OfficerFeb 27, 2024Feb 29, 2024M · derivative5,208$37.94$197,5922,917NoForm 4
Evans Stephen C.Feb 27, 2024Feb 27, 2024S1,000$74.12Sale −$74,1206,088NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M1,250$37.94$47,42540,950NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M4,900$59.10$289,59045,850NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M2,100$51.50$108,15047,950NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024S8,250$74.44Sale −$614,13039,700NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M · derivative1,250$37.94$47,4252,917NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M · derivative4,900$59.10$289,5909,100NoForm 4
Ramos DanielSee RemarksFeb 27, 2024Feb 27, 2024M · derivative2,100$51.50$108,15011,900NoForm 4
Trundle StephenChief Executive OfficerFeb 23, 2024Feb 27, 2024S49,400$73.79Sale −$3,645,2261,289,943YesForm 4
Trundle StephenChief Executive OfficerFeb 23, 2024Feb 27, 2024S600$74.47Sale −$44,6821,289,343YesForm 4
Kerzner DanielSee RemarksFeb 15, 2024Feb 16, 2024M10,000$11.55$115,50085,784YesForm 4
Kerzner DanielSee RemarksFeb 15, 2024Feb 16, 2024S20,301$69.57Sale −$1,412,34165,483YesForm 4
Kerzner DanielSee RemarksFeb 15, 2024Feb 16, 2024S7,750$70.97Sale −$550,01857,733YesForm 4
Kerzner DanielSee RemarksFeb 15, 2024Feb 16, 2024S382$71.42Sale −$27,28257,351YesForm 4
Kerzner DanielSee RemarksFeb 15, 2024Feb 16, 2024M · derivative10,000$11.55$115,500not reportedYesForm 4
McAdam Timothy PNov 15, 2023Nov 16, 2023G5,000$0.00$0102,802NoForm 4