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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell●Results filed
With an account, also○dividends▲splits◌next earningswith an account
End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Aug 24, 2026Reported sale · Form 4Stephen Trundle, Chief Executive Officer · $2.9MOpen the filing ↗
- Aug 24, 2026Notice of sale · Form 144STEPHEN TRUNDLE · Officer, Director · $2.9MOpen the filing ↗
- Aug 12, 2026Reported sale · Form 4Kevin Christopher Bradley, Chief Financial Officer · $297.4KOpen the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record78318 flagged findings
Reported transactions (Form 4)80since May 22, 2023 · and 4 other holdings
Corporate events (8-K)30since Nov 14, 2016
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
What the company does
Alarm.com, Inc. is an American technology company that provides cloud-based services for remote control, home automation, and alarm monitoring services. The company was founded in 2000 as a spinoff from MicroStrategy. The company is based in Tysons, Virginia.
Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.
Regulatory history
Topics detected in its SEC reports, with the original excerpt.
Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.
- 2026-05-07share offering or dilution eventrecentOpen filing ↗“…losses of $ 0 as of March 31, 2026 and December 31, 2025 40,502 43,120 Total assets $ 1,643,637 $ 2,136,591 Liabilities,…”
+1 more passage from the same document
- “…and stockholders’ equity Current liabilities: Accounts payable, accrued expenses and other current liabilities $ 106,522 $…”
- 2026-05-07export control restrictionsrecentOpen filing ↗“…and actions taken in response to the conflicts could increase our costs, disrupt our supply chain, reduce our sales and earnings,…”
- 2026-05-07capital return (buybacks/dividends)recentOpen filing ↗“…," when it is determined that a liability, inclusive of defense costs, is probable and reasonably estimable. Litigation is…”
+1 more passage from the same document
- “…is probable and reasonably estimable. Litigation is subject to many factors that are difficult to predict, so there can be no…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 783)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Aug 24, 26Form 144 ↗Notice of proposed sale
- Aug 14, 26Form 4 ↗Insider transaction
- Aug 14, 26SCHEDULE 13G/A ↗Passive stake · DISCIPLINED GROWTH INVESTORS INC /MN · 7.3% · event on Jun 30, 26 · amendment
- Aug 12, 26Form 144 ↗Notice of proposed sale
- Aug 12, 26SCHEDULE 13G/A ↗Passive stake · Bank of Montreal · 7.0% · event on Jun 30, 26 · amendment
- Aug 6, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results
- Jul 2, 26Form 144 ↗Notice of proposed sale
- Jul 2, 26Form 4 ↗Insider transaction
- Jun 12, 26Form 144 ↗Notice of proposed sale
Notice of proposed sale · 2 Form 144 filingsshow all 2hide
- Jun 10, 26Form 144 ↗Notice of proposed sale
- Jun 10, 26Form 144 ↗Notice of proposed sale
Insider transaction · 7 Form 4 filingsshow all 7hide
- Jun 8, 268-K ↗Current report · Shareholder vote results
- May 28, 26Form 4 ↗Insider transaction
783 filings on record, the oldest from Jun 11, 14.
Listing the 25 most recent filings of the 783 on record.
1618
4 senior executive changes2025 – 2026show all 4hide
- Mar 18, 26A senior executive left or was appointed8-K 5.02 ↗
- Jun 6, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Mar 19, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Feb 20, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- May 31, 24Entered a material agreement+4 more in the same filing8-K 1.01 ↗
5 senior executive changes2021 – 2024show all 5hide
- May 21, 24A senior executive left or was appointed8-K 5.02 ↗
- Jan 19, 23A senior executive left or was appointed8-K 5.02 ↗
- Feb 18, 22A senior executive left or was appointed8-K/A 5.02 ↗
- Sep 1, 21A senior executive left or was appointed8-K 5.02 ↗
- Jun 10, 21A senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
- Jan 20, 21Entered a material agreement+5 more in the same filing8-K 1.01 ↗
3 senior executive changes2020 – 2021show all 3hide
- Jan 13, 21A senior executive left or was appointed8-K 5.02 ↗
- Sep 11, 20A senior executive left or was appointed8-K 5.02 ↗
- Feb 25, 20A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Oct 26, 18Entered a material agreement8-K 1.01 ↗
- Feb 26, 18A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jan 23, 18A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Oct 10, 17Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Sep 14, 17Entered a material agreement8-K 1.01 ↗
- Mar 8, 17Completed an acquisition or disposal+3 more in the same filing8-K 2.01 ↗
- Feb 28, 17A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
2 older filings not shown · The record reaches back to Jan 7, 16.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- BlackRock, Inc.16.8%Mar 31, 25SCHEDULE 13G/A ↗1 earlier filing
- Vanguard Portfolio Management8.0%Mar 31, 26SCHEDULE 13G ↗
- DISCIPLINED GROWTH INVESTORS INC /MN7.3%Jun 30, 26SCHEDULE 13G/A ↗5 earlier filings
- Bank of Montreal7.0%Jun 30, 26SCHEDULE 13G/A ↗9 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
- Vanguard Capital Management5.1%Mar 31, 26SCHEDULE 13G ↗
show one more holderhide
- Brown Capital Management, LLC4.8%Dec 31, 24SCHEDULE 13G/A ↗1 earlier filing
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Sale intention announced
On Aug 24, STEPHEN TRUNDLE filed notice of intent to sell up to $2.9M. That is about 0.10% of shares outstanding. It is filed under a scheduled plan (10b5-1), arranged in advance.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
After the notice, they sold $2.9M on Aug 24, per their Form 4. That is 100% of the shares announced so far, and the window is still open.
View notice (Form 144) ↗+2 more recent notices · 2 with a later sale
- Aug 24, 26Sell$2.9MStephen TrundleChief Executive Officer↗
- Aug 12, 26Sell$297KKevin Christopher BradleyChief Financial Officer↗
- Jul 2, 26Sell$35KKevin Christopher BradleyChief Financial Officer↗
- Jun 12, 26Sell$93KDaniel RamosSee Remarks↗
- Jun 10, 26Sell$102KKevin Christopher BradleyChief Financial Officer↗
- Jun 10, 26Sell$370KDaniel RamosSee Remarks↗
- May 26, 26Sell$173KDaniel KerznerSee Remarks↗
- May 26, 26Sell$111KDaniel RamosSee Remarks↗
- May 26, 26Sell$266KStephen TrundleChief Executive Officer↗
- May 18, 26Sell$128KStephen TrundleChief Executive Officer↗
- May 18, 26Sell$68KDaniel RamosSee Remarks↗
- May 18, 26Sell$83KDaniel KerznerSee Remarks↗
There are 10 more transactions in this stretch.
Stock compensation, tax and giftsshow the 18 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Sep 2, 26Giftamount n/aStephen TrundleChief Executive Officer↗
- Aug 24, 26Compensation$1.6MStephen TrundleChief Executive Officer↗
- Jun 4, 26Compensationamount n/aStephen C. Evans↗
- Jun 4, 26Compensationamount n/aCecile Burleigh Harper↗
- Jun 4, 26Compensationamount n/aSimone WU↗
- Jun 4, 26Compensationamount n/aTimothy P McAdam↗
- Jun 4, 26Compensationamount n/aDonald E Clarke↗
- Jun 4, 26Compensationamount n/aDARIUS G NEVIN↗
- Jun 4, 26Compensationamount n/aTimothy J. Whall↗
- Apr 8, 26Compensationamount n/aDaniel KerznerSee Remarks↗
- Apr 8, 26Compensationamount n/aDaniel RamosSee Remarks↗
- Apr 8, 26Compensationamount n/aKevin Christopher BradleyChief Financial Officer↗
- Apr 8, 26Compensationamount n/aStephen TrundleChief Executive Officer↗
- Mar 18, 26Compensation$781KDARIUS G NEVIN↗
- Dec 16, 25Compensation$341KJEFFREY A BEDELLSee Remarks↗
- Dec 12, 25Compensation$34KJEFFREY A BEDELLSee Remarks↗
- Nov 25, 25Giftamount n/aTimothy P McAdam↗
- Nov 13, 25Compensation$150KDaniel KerznerSee Remarks↗
The full record holds 175 transactions and goes back to Feb 2, 23.
Its sector and its market
Alarm.com Holdings Inc. among Information Technology companies
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- End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
- Series quality
- 250 clean closes in the period.
- SEC records
- 783 documents on file, from Jun 11, 2014 to Sep 4, 2026.
- Company description
- Wikipedia, read on Sep 3, 2026.
- This page
- Generated on Oct 19, 2026; refreshed through the day.
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Which SEC documents appear here?
Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
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It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.
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