Armstrong World Industries insider plans small 500-share sale

Rhea-AI Filing Summary

Armstrong World Industries, Inc. (AWI) – Form 144 filing

An insider has notified the SEC of the proposed sale of 500 common shares under Rule 144. The shares were acquired through restricted-stock vesting on 06 / 12 / 2025 and are expected to be sold on or after 08 / 04 / 2025 via Fidelity Brokerage Services on the NYSE. The filing cites an aggregate market value of $94,564 for the planned transaction, implying a reference price of roughly $189 per share. With 43.26 million shares outstanding, the sale represents only about 0.001 % of AWI’s float.

No other sales by the filer occurred during the prior three-month period, and there are no remarks indicating material, non-public information. Rule 144 requires the signer to confirm the absence of undisclosed adverse information.

• Form type: 144 (notice of intended insider sale)
• Securities class: Common shares
• Broker: Fidelity Brokerage Services LLC, Smithfield, RI

The transaction is routine and immaterial to AWI’s capital structure; it does not alter ownership concentration or signal operational changes.

Insights

Securities Analyst

TL;DR: Minor insider sale (500 shares) – financially immaterial, neutral signal.

The Form 144 covers a standard disposition of 500 AWI shares worth roughly $95k. Relative to the 43 million shares outstanding, dilution or supply impact is negligible. No pattern of continuous selling is disclosed, and the acquisition stemmed from recent equity compensation, suggesting routine portfolio diversification rather than a bearish view. I classify the filing as non-impactful for valuation or sentiment models.

Corporate Governance Expert

TL;DR: Governance-compliant notice; no red flags detected.

The insider adhered to Rule 144 disclosure requirements, including representations against possessing undisclosed adverse information. Absence of 10b5-1 plan data indicates discretionary timing, but transaction size is de minimis. From a governance lens, the filing confirms procedural transparency without signaling control or strategy shifts.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	500	94564.25	43258332	08/04/2025	NYSE

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

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/12/2025	Restricted Stock Vesting	Issuer			500	06/12/2025	Compensation

* 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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Armstrong World Industries (AWI) shares are being sold under this Form 144?

The notice covers 500 common shares.

What is the estimated value of the AWI shares to be sold?

The aggregate market value stated is approximately $94,564.

When is the proposed sale date for these AWI shares?

The filer lists an approximate sale date of 08 / 04 / 2025.

What percentage of AWI's outstanding shares does this sale represent?

About 0.001 % of the 43.26 million shares outstanding.

Did the insider sell any other AWI shares in the past three months?

No. The filing states “Nothing to report” for prior three-month sales.