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  4. [Form 4] ARMSTRONG WORLD INDUSTRIES INC Insider Trading Activity

Armstrong World (NYSE: AWI) CFO exercises 9,149 performance units

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Armstrong World Industries SVP & CFO Christopher P. Calzaretta exercised previously granted performance-based restricted stock units that converted into 9,149 shares of common stock on April 8, 2026, after underlying performance metrics were certified.

To cover related tax obligations, the company withheld 3,980 shares at $172.77 per share, a non-market transaction. After these compensation-related events, Calzaretta directly holds 11,191 shares of Armstrong World Industries common stock.

Positive

  • None.

Negative

  • None.
Insider Calzaretta Christopher P.
Role SVP & CFO
Type Security Shares Price Value
Exercise Performance Based Restricted Stock Units 9,149 $0.00 --
Exercise Common Stock 9,149 $0.00 --
Tax Withholding Common Stock 3,980 $172.77 $688K
Holdings After Transaction: Performance Based Restricted Stock Units — 0 shares (Direct); Common Stock — 15,171 shares (Direct)
Footnotes (1)
  1. 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. 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.
Performance units exercised 9,149 shares Converted from performance-based restricted stock units on April 8, 2026
Shares withheld for taxes 3,980 shares Withheld by issuer to satisfy tax obligations at vesting
Tax withholding price $172.77 per share Price applied to 3,980 shares withheld for tax obligations
Shares held after transactions 11,191 shares Direct common stock ownership following April 8, 2026 events
Derivative exercise transactions 1 transaction, 9,149 shares Exercise or conversion of derivative security reported in summary
Tax withholding transactions 1 transaction, 3,980 shares Payment of tax liability by delivering securities
performance restricted stock units financial
"Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock"
Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.
Performance Based Restricted Stock Units financial
"security_title: "Performance Based Restricted Stock Units""
2022 Equity and Cash Incentive Plan financial
"granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer"
Management Development and Compensation Committee financial
"Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors"
tax obligations financial
"shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units"
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Calzaretta Christopher P.
(Last)(First)(Middle)
C/O ARMSTRONG WORLD INDUSTRIES, INC.
2500 COLUMBIA AVENUE
(Street)
LANCASTER PENNSYLVANIA 17603
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
ARMSTRONG WORLD INDUSTRIES INC [ AWI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP & CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/08/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/08/2026M9,149(1)A$015,171D
Common Stock04/08/2026F3,980(2)D$172.7711,191D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Performance Based Restricted Stock Units(3)04/08/2026M9,149 (4) (5)Common Stock9,149$00D
Explanation of Responses:
1. 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.
2. 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.
3. Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.
4. 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.
5. Not applicable.
/s/ Alan M. Kidd, Attorney-in-fact04/10/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did AWI CFO Christopher Calzaretta report in this Form 4 filing?

He reported exercising performance-based restricted stock units into 9,149 shares of Armstrong World Industries common stock. The transaction reflects earned equity compensation tied to performance metrics rather than an open-market stock purchase or sale.

How many Armstrong World Industries (AWI) shares did the CFO receive and retain?

Performance units converted into 9,149 common shares for the CFO. After 3,980 shares were withheld for taxes, he directly holds 11,191 Armstrong World Industries shares, reflecting his post-transaction equity position from this compensation event.

Were any of the AWI CFO’s reported transactions open-market buys or sells?

No, the filing shows a derivative exercise and tax withholding only. Shares were issued upon vesting of performance-based units, and a portion was withheld by the company to satisfy tax obligations, not sold in the open market.

At what price were Armstrong World Industries (AWI) shares withheld for taxes?

The Form 4 reports 3,980 AWI shares withheld at a price of $172.77 per share. This withholding covered the CFO’s tax obligations arising from the vesting and payment of restricted stock units under the company’s equity plan.

What plan governed the AWI CFO’s performance-based restricted stock units?

The units were granted under Armstrong World Industries’ 2022 Equity and Cash Incentive Plan. Vesting and payment depended on achieving pre-established performance conditions that were later certified by the board’s Management Development and Compensation Committee.

What performance period applied to the AWI CFO’s performance restricted stock units?

The performance period ran from January 1, 2023 to December 31, 2025. After this period ended, achievement of the pre-set performance conditions was certified on April 8, 2026, triggering the earning and payment of the related common shares.