Form4insider filings, from the source

Company · CIK 0001459200 · SIC 7372 — Services-Prepackaged Software · Nasdaq

Alarm.com Holdings, Inc. · ALRM

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.2M · 3net −$3.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 GForm 4 →Sep 4, 4:30 pm EDTStephen TrundleChief Executive Officer, Director2,000——322,842—
Aug 24, 2026 SForm 4 →Aug 25, 5:43 pm EDTStephen TrundleChief Executive Officer, Director50,000$57.67$2,883,500324,842−13.3%10b5-1
Aug 24, 2026 MForm 4 →Aug 25, 5:43 pm EDTStephen TrundleChief Executive Officer, Director50,000$32.17$1,608,500374,842—10b5-1
Aug 12, 2026 SForm 4 →Aug 14, 4:31 pm EDTKevin Christopher BradleyChief Financial Officer5,400$55.07$297,37878,222−6.46%
Jul 2, 2026 SForm 4 →Jul 2, 4:30 pm EDTKevin Christopher BradleyChief Financial Officer724$48.46$35,08583,622−0.86%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 MForm 4 →Aug 25, 5:43 pm EDTStephen TrundleChief Executive Officer, Director50,000——0—10b5-1