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Alarm.com Holdings, Inc. (ALRM)

Alarm.com Holdings, Inc. (ALRM) Insider Trading

Directors, officers and holders of more than 10% of ALRM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 100 transactions on file: 4 with code P, 21 with code S and 25 with other codes.

DateInsiderCodeShares
Sep 2, 2026Trundle StephenG Gift2,000
Aug 24, 2026Trundle StephenM Exercise50,000
Aug 24, 2026Trundle StephenM Exercise50,000
Aug 24, 2026Trundle StephenS Sale50,000
Aug 12, 2026Bradley Kevin ChristopherS Sale5,400
Jul 2, 2026Bradley Kevin ChristopherS Sale724
Jun 12, 2026Ramos DanielS Sale2,000
Jun 10, 2026Bradley Kevin ChristopherS Sale2,200
Jun 10, 2026Ramos DanielS Sale8,000
Jun 4, 2026WU SimoneA Award3,222
Jun 4, 2026Evans Stephen C.A Award3,222
Jun 4, 2026Harper Cecile BurleighA Award3,222
Jun 4, 2026Whall Timothy J.A Award3,222
Jun 4, 2026NEVIN DARIUS GA Award3,222
Jun 4, 2026Clarke Donald EA Award3,222
Jun 4, 2026McAdam Timothy PA Award3,222
May 26, 2026Trundle StephenS Sale6,073
May 26, 2026Kerzner DanielS Sale3,944
May 26, 2026Ramos DanielS Sale2,532
May 18, 2026Ramos DanielS Sale1,561
May 18, 2026Kerzner DanielS Sale1,915
May 18, 2026Trundle StephenS Sale2,944
Apr 8, 2026Kerzner DanielA Award55,000
Apr 8, 2026Trundle StephenA Award65,000
Apr 8, 2026Bradley Kevin ChristopherA Award35,000
Apr 8, 2026Ramos DanielA Award25,000
Mar 18, 2026NEVIN DARIUS GM Exercise36,000
Mar 18, 2026NEVIN DARIUS GS Sale36,000
Mar 18, 2026Bradley Kevin ChristopherS Sale1,510
Mar 18, 2026NEVIN DARIUS GM Exercise36,000
Dec 16, 2025BEDELL JEFFREY AM Exercise22,727
Dec 16, 2025BEDELL JEFFREY AM Exercise22,727
Dec 16, 2025BEDELL JEFFREY AS Sale22,727
Dec 12, 2025BEDELL JEFFREY AM Exercise2,273
Dec 12, 2025BEDELL JEFFREY AS Sale2,273
Dec 12, 2025Evans Stephen C.S Sale1,154
Dec 12, 2025BEDELL JEFFREY AM Exercise2,273
Nov 25, 2025McAdam Timothy PG Gift7,000
Nov 20, 2025Trundle StephenP Purchase100
Nov 20, 2025Trundle StephenP Purchase9,900
Nov 19, 2025Trundle StephenP Purchase12,469
Nov 18, 2025Trundle StephenP Purchase3,531
Nov 13, 2025Kerzner DanielM Exercise10,000
Nov 13, 2025Kerzner DanielS Sale10,000
Nov 13, 2025Kerzner DanielM Exercise10,000
Nov 12, 2025Kerzner DanielS Sale20,004
Jul 2, 2025Bradley Kevin ChristopherS Sale754
Jun 11, 2025Evans Stephen C.S Sale1,000
Jun 5, 2025NEVIN DARIUS GA Award2,510
Jun 5, 2025McAdam Timothy PA Award2,510

The full Form 4 history is on the ALRM company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.