Calzaretta Christopher P. 4

4 · ARMSTRONG WORLD INDUSTRIES INC · Filed Mar 2, 2026

AI-generated summary of this filing

Updated Mar 2, 2026

Armstrong (AWI) CFO Christopher Calzaretta Receives RSUs, Withholds 1,077 Shares

What Happened

Christopher P. Calzaretta, SVP & CFO of Armstrong World Industries (AWI), had 2,408 restricted stock units convert into common shares on Feb 27, 2026 (valued at $173.50/share, total $417,788). To cover tax withholding on the vesting, 1,077 of those shares were withheld (disposed) at $173.50/share ($186,860), leaving a net 1,331 shares retained by the insider.
This was a vesting/conversion of RSUs (an award), not an open-market purchase or a voluntary sale.

Key Details

Transaction date: February 27, 2026; Form 4 filed March 2, 2026 (timely).
Conversion: 2,408 RSUs -> 2,408 common shares at $173.50 (value ~$417,788).
Tax withholding: 1,077 shares withheld to satisfy tax obligations (value ~$186,860).
Net shares retained: 1,331 (2,408 - 1,077).
Shares owned after transaction: Not stated in this filing.
Relevant footnotes: RSUs convert one-for-one; the withheld shares satisfy tax liabilities from vesting; the RSUs were granted Mar 1, 2023 and vested on the third anniversary (per the 2022 Equity and Cash Incentive Plan); derivative price reported as $0 consistent with RSU conversion.
Transaction codes: M = conversion/exercise of derivative (RSU conversion), F = shares withheld for tax withholding.

Context

This is routine compensation-related vesting and tax withholding (not an open-market sale or buy). Withholding shares to cover taxes is a common, administrative step and does not necessarily indicate a trading signal.

Form 4

Period: 2026-02-27

SVP & CFO

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-27$173.50/sh+2,408$417,788→ 7,099 total
Tax Payment
Common Stock
[F2]
2026-02-27$173.50/sh−1,077$186,860→ 6,022 total
Exercise/Conversion
Restricted Stock Units
[F1][F4][F3]
2026-02-27−2,408→ 0 total
→ Common Stock (2,408 underlying)

Footnotes (4)

[F1]Restricted Stock Units convert into common stock on a one-for-one basis.
[F2]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.
[F3]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).
[F4]Price of Derivative Security is $0.

Signature

/s/ Alan M. Kidd, Attorney-in-fact|2026-03-02

1 file