ALRM · Alarm.com Holdings, Inc.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.40 - $48.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.00 - $46.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.57 - $44.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.57 - $44.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.57 - $44.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.92 - $43.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.92 - $43.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.92 - $43.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

This security represents restricted stock units (the "RSUs") granted under the Issuer's 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

The RSUs shall vest in five (5) equal annual installments beginning on April 8, 2027, such that the RSUs shall be fully vested on April 8, 2031, subject to the Reporting Person's continued service with the Issuer through each such date.

This security represents restricted stock units (the "RSUs") granted under the Issuer's 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

The RSUs shall vest in five (5) equal annual installments beginning on April 8, 2027, such that the RSUs shall be fully vested on April 8, 2031, subject to the Reporting Person's continued service with the Issuer through each such date.

This security represents restricted stock units (the "RSUs") granted under the Issuer's 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

The RSUs shall vest in five (5) equal annual installments beginning on April 8, 2027, such that the RSUs shall be fully vested on April 8, 2031, subject to the Reporting Person's continued service with the Issuer through each such date.

This security represents restricted stock units (the "RSUs") granted under the Issuer's 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer.

The RSUs shall vest in five (5) equal annual installments beginning on April 8, 2027, such that the RSUs shall be fully vested on April 8, 2031, subject to the Reporting Person's continued service with the Issuer through each such date.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.88 - $46.07, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Immediately exercisable and fully vested.

These sales were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person on 12/16/2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.83 - $46.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Immediately exercisable and fully vested.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.60 - $52.04, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.50 - $52.54, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.27 - $52.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Immediately exercisable and fully vested.

Represents a bona fide charitable contribution to a donor advised fund. No shares were sold by the Reporting Person.

These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.615 - $48.545, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.

These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.14 - $48.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.

These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.2917 - $48.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.

These shares are owned by Backbone Partners, LLC ("Backbone"). The Reporting Person has the sole power to vote and dispose of the shares held by Backbone. The Reporting Person disclaims beneficial ownership of the shares owned by Backbone except to the extent, if any, of his pecuniary interest therein.

Immediately exercisable and fully vested.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.20 - $50.475, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.98 - $50.77, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the settlement of vested restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.20 - $57.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.

Represents a grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.

The shares underlying this restricted stock unit award vest on the date preceding the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on such date.