AWI · Armstrong World Industries Inc · Insider Trading

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

Price of Derivative Security is $0.

The restricted stock units were granted to the Reporting Person on September 9, 2026 and will vest in full on September 9, 2029 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

Price of Derivative Security is $0.

On September 9, 2026, the Reporting Person was granted 1,496 restricted stock units, which vest as follows: (1) 498 on the first anniversary of the grant, (2) 499 on the second anniversary of the grant and (3) 499 on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted stock units granted under the 2016 Directors Stock Unit Plan (the "2016 Plan"), and as part of the Issuer's nonemployee Director Compensation Program. The units vest (contingent upon the Director's continued service as of such date) on the earlier of (i) the date of the next annual shareholders meeting following the grant; (ii) the death or total and permanent disability of the Director; or (iii) the date of any Change in Control (as defined in the 2016 Plan). Vested units will be acquirable by the Director, at the election of the Director: (i) at the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) at the time of the Director's termination of service.

Represents an annual grant of restricted stock units as the equity portion of the Director's retainer for Board service under the Issuer's nonemployee Director Compensation Program. The grant date fair value of the units is calculated under the Financial Accounting Standards Board's Accounting Standards Codification Topic 718 using the closing stock price of the Issuer's common shares on June 12, 2026, which price was $154.21.

Includes vested and unvested units as well as units not yet acquirable by the Director. Under the terms of the 2016 Plan, vested units under the 2016 Plan are not acquirable by the Director until, at the election of the Director: (i) the vesting of the units on the date of the next annual shareholders meeting following the grant or (ii) the time of the Director's termination of service.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On April 28, 2023, the Reporting Person was granted 72,823 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date).

Restricted Stock Units convert into common stock on a one-for-one basis.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.

Not applicable.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

Price of Derivative Security is $0.

The restricted stock units were granted to the Reporting Person on April 1, 2026 and will vest in full on April 1, 2029 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

Price of Derivative Security is $0.

On April 1, 2026, the Reporting Person was granted 1,811 restricted stock units, which vest as follows: (1) 603 on the first anniversary of the grant, (2) 604 on the second anniversary of the grant and (3) 604 on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 2,595 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Restricted Stock Units convert into common stock on a one-for-one basis.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 25,744 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 3,532 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Restricted Stock Units convert into common stock on a one-for-one basis.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 2,408 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Restricted Stock Units convert into common stock on a one-for-one basis.

Restricted Stock Units convert into common stock on a one-for-one basis.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 639 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

Restricted Stock Units convert into common stock on a one-for-one basis.

Restricted Stock Units convert into common stock on a one-for-one basis.

Price of Derivative Security is $0.

On March 1, 2023, the Reporting Person was granted 1,082 Restricted Stock Units, which vest on the third anniversary of the grant (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan).