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  4. [144] Alarm.com Holdings, Inc. SEC Filing

Alarm.com (NASDAQ: ALRM) affiliate lines up 50,000-share sale

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

Alarm.com Holdings, Inc. (ALRM) is the issuer in a planned sale of shares by affiliated person Stephen Trundle under Rule 144. Trundle has filed to sell 50,000 shares of common stock through Morgan Stanley Smith Barney LLC on or after 08/24/2026, following a cash stock option exercise on the same date. The filing lists an aggregate market value of $2,883,575.00 for these shares and notes 49,090,228 shares outstanding. In the prior three months, Trundle sold 6,073 shares for $265,847.40 on 05/26/2026.

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Shares to be sold 50,000 shares of common stock Planned Rule 144 sale by Stephen Trundle on or after 08/24/2026
Aggregate market value of planned sale $2,883,575.00 Value of 50,000 ALRM shares to be sold
Shares outstanding 49,090,228 shares Alarm.com Holdings, Inc. common stock outstanding as stated in the notice
Shares sold in past 3 months 6,073 shares Common shares sold by Stephen Trundle on 05/26/2026
Proceeds from past 3-month sale $265,847.40 Total consideration for 6,073 shares sold on 05/26/2026
Proposed sale date 08/24/2026 Date listed for proposed Rule 144 sale of 50,000 shares
Stock option exercise date 08/24/2026 Date of cash stock option exercise to acquire 50,000 shares from issuer
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Stock Option Exercise financial
"Common | 08/24/2026 | Stock Option Exercise | Issuer"
A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.
Securities To Be Sold financial
"144: Securities To Be Sold"
Securities Sold During The Past 3 Months financial
"144: Securities Sold During The Past 3 Months"

FAQ

How many ALRM shares does Stephen Trundle plan to sell under this Rule 144 notice?
Stephen Trundle plans to sell 50,000 shares of Alarm.com Holdings, Inc. common stock. The shares are to be sold through Morgan Stanley Smith Barney LLC, with the proposed sale date of 08/24/2026 and an aggregate market value listed as $2,883,575.00.

What is the aggregate market value of the ALRM shares to be sold by Stephen Trundle?
The aggregate market value of the 50,000 ALRM shares that Stephen Trundle plans to sell is reported as $2,883,575.00. These are common shares of Alarm.com Holdings, Inc. proposed to be sold on or after 08/24/2026.

When are the ALRM shares expected to be sold and how will they be acquired?
The shares are expected to be sold on or after 08/24/2026. They are to be acquired via a Stock Option Exercise from the issuer, with the option exercise and acquisition of the 50,000 shares also dated 08/24/2026, paid in cash.

Has Stephen Trundle sold any ALRM shares in the past three months?
Yes. Over the past three months, Stephen Trundle sold 6,073 shares of Alarm.com common stock on 05/26/2026, for total proceeds of $265,847.40. This prior sale is disclosed alongside the planned 50,000-share sale in the notice.

How many Alarm.com (ALRM) shares are outstanding according to this filing?
The filing states that there are 49,090,228 shares outstanding of Alarm.com Holdings, Inc. common stock. This figure provides context for the size of the planned 50,000-share sale reported by Stephen Trundle under Rule 144.

Through which broker will the ALRM Rule 144 sale for Stephen Trundle be executed?
The proposed Rule 144 sale for Stephen Trundle will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY. The securities are Alarm.com common stock listed on NASDAQ.

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144: Filer Information

144: Issuer Information

144: Securities Information



Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold


* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.



Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR