Armstrong World Industries appoints new HR chief

Armstrong World Industries, Inc. announced that Jennifer O. Kozak has been appointed Senior Vice President, Chief Human Resources Officer and a member of the Executive Leadership Team, effective September 9, 2026.

Rhea-AI Filing Summary

Armstrong World Industries, Inc. announced that Jennifer O. Kozak has been appointed Senior Vice President, Chief Human Resources Officer and a member of the Executive Leadership Team, effective September 9, 2026.

Kozak brings more than 25 years of global human resources experience and joins from Enviri, where she served as Senior Vice President and Chief Human Resources Officer overseeing a workforce of approximately 12,000 employees. Her background spans public and private industrial organizations, including roles at SUEZ Water Technologies & Solutions, General Electric and companies in the steel and chemical industries.

Armstrong describes itself as an Americas leader in interior and exterior architectural applications, generating $1.6 billion in revenue in 2025 with approximately 4,000 employees and a manufacturing network of 24 facilities, plus seven facilities dedicated to its WAVE joint venture.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

2025 Revenue: $1.6 billion Employees: approximately 4,000 Manufacturing facilities: 24 facilities +5 more

8 metrics

2025 Revenue $1.6 billion Company revenue in 2025

Employees approximately 4,000 Company employee count

Manufacturing facilities 24 facilities Company manufacturing network in the Americas

WAVE joint venture facilities seven facilities Facilities dedicated to the WAVE joint venture

Global employees at Enviri approximately 12,000 Workforce overseen by Kozak as CHRO at Enviri

HR experience more than 25 years Kozak's global human resources experience

Years in business more than 165 years Armstrong's operating history in architectural products

Effective date of appointment September 9, 2026 Effective date for Kozak as SVP and CHRO

Key Terms

Chief Human Resources Officer, Executive Leadership Team, business transformation, total rewards, +1 more

5 terms

Chief Human Resources Officer financial

"named Senior Vice President, Chief Human Resources Officer"

The chief human resources officer is the senior executive who leads a company's people strategy—hiring, pay and benefits, training, workplace culture, legal compliance, and leadership development—like a head coach who builds and keeps the team. Investors care because the CHRO’s choices shape productivity, labor costs, turnover, regulatory risk and succession of key leaders; those outcomes affect a company’s profitability, growth potential and reputation in ways that show up on the balance sheet.

Executive Leadership Team financial

"and a member of the Executive Leadership Team"

The executive leadership team is a group of top managers responsible for making key decisions and setting the overall direction of an organization. They include the highest-ranking executives, such as the CEO and CFO, who work together like a team of captains guiding a ship. For investors, this team’s experience and decisions can significantly influence the company's success and stability.

business transformation financial

"helping guide the company through a successful business transformation"

total rewards financial

"talent management, total rewards, and corporate communications"

Total rewards is the complete package a company gives employees, combining base pay, bonuses, stock or equity, benefits like health insurance and retirement, and non-monetary perks such as training or flexible schedules. Think of it as an employee’s paycheck plus the extras in one bundle. Investors watch total rewards because it shapes labor costs, talent retention and motivation—factors that influence productivity, turnover, and ultimately a company’s profit and growth prospects.

WAVE joint venture financial

"seven facilities dedicated to its WAVE joint venture"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What leadership change did Armstrong World Industries (AWI) announce?

Armstrong World Industries announced that Jennifer O. Kozak has been appointed Senior Vice President, Chief Human Resources Officer and a member of the Executive Leadership Team, effective September 9, 2026, strengthening the company’s senior leadership in human resources and people strategy.

Who is Jennifer Kozak, newly appointed CHRO of Armstrong World Industries (AWI)?

Jennifer Kozak is a senior HR executive with more than 25 years of global human resources experience. She most recently served as Senior Vice President and Chief Human Resources Officer at Enviri, supporting a workforce of about 12,000 employees across global industrial operations.

When does Jennifer Kozak’s appointment at Armstrong World Industries (AWI) become effective?

Jennifer Kozak’s appointment as Senior Vice President, Chief Human Resources Officer at Armstrong World Industries becomes effective on September 9, 2026. She will also join the company’s Executive Leadership Team as part of this leadership transition in the human resources function.

What business is Armstrong World Industries (AWI) in and how large is it?

Armstrong World Industries is an Americas leader in interior and exterior architectural applications, including ceilings, specialty walls and exterior metal solutions. It reported $1.6 billion in revenue in 2025 and has about 4,000 employees and 24 manufacturing facilities plus seven WAVE joint venture facilities.

What prior roles did Jennifer Kozak hold before joining Armstrong World Industries (AWI)?

Before joining Armstrong, Jennifer Kozak was Senior Vice President and Chief Human Resources Officer at Enviri, after serving as Vice President of Human Resources for its Clean Earth business. Earlier roles included CHRO at a private equity-backed chemical company and HR leadership positions at SUEZ, General Electric and steel-industry firms.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/30/2026 - 08:15 AM Accepted by SEC EDGAR 07/30/2026 - 08:15 AM Learn about SEC filing dates

0000007431false00000074312026-07-302026-07-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 30, 2026

ARMSTRONG WORLD INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Pennsylvania		1-2116		23-0366390
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(IRS Employer Identification No.)
2500 Columbia Avenue P.O. Box 3001 Lancaster, Pennsylvania				17603
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (717) 397-0611

NA

(Former name or former address if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.01 par value per share		AWI		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

Section 8 – Other Events

Item 8.01 Other Events.

On July 30, 2026, Armstrong World Industries, Inc. (the “Company”) issued a press release announcing the appointment of Jennifer O. Kozak to the position of Senior Vice President, Chief Human Resources Officer of the Company, effective September 9, 2026.

A copy of the press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K.

Section 9 – Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

No. 99.1		Press Release of Armstrong World Industries, Inc. dated July 30, 2026
No. 104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ARMSTRONG WORLD INDUSTRIES, INC.
By:		/s/ Jessica M. Cicali
		Jessica M. Cicali
		Senior Vice President, General Counsel, Chief Compliance Officer & Secretary

Date: July 30, 2026

3

Exhibit 99.1

Armstrong World Industries Appoints Jennifer Kozak to Senior Vice President, Chief Human Resources Officer

July 30, 2026 — LANCASTER, Pa.— Armstrong World Industries, Inc. (NYSE:AWI), an Americas leader in the design and manufacture of innovative interior and exterior architectural applications including ceilings, specialty walls and exterior metal solutions, today announced that Jennifer Kozak has been named Senior Vice President, Chief Human Resources Officer and a member of the Executive Leadership Team, effective Sept. 9, 2026.

“As Armstrong continues to evolve and grow, our people remain central to our success,” said Mark Hershey, president and chief executive officer. “Jennifer brings deep human resources leadership experience across global manufacturing organizations, with a strong track record of developing talent, strengthening culture and guiding strategic alignment across teams. As a proven strategic and collaborative professional, her guidance and engagement will strengthen our leadership team as we continue to invest in our employee experience to support the company’s long-term growth strategy. I am pleased to welcome Jennifer to Armstrong and look forward to her contributions.”

Kozak brings more than 25 years of global human resources experience across public and private industrial organizations. She joins Armstrong from Enviri (NYSE: NVRI), a global environmental solutions provider with approximately 12,000 global employees, where she served as Senior Vice President and Chief Human Resources Officer. In that role, she led the company’s global human resources and communications strategy, including culture, employee engagement, talent management, total rewards, and corporate communications, while helping guide the company through a successful business transformation.

Kozak joined Enviri in 2022 as Vice President of Human Resources for Clean Earth, the company’s specialized environmental and waste management business, and was subsequently promoted to Senior Vice President and Chief Human Resources Officer. Prior to joining Enviri, she served as Senior Vice President and Chief Human Resources Officer for a leading private equity-backed company in the chemical industry. Earlier in her career, Kozak held human resources leadership roles of increasing responsibility with SUEZ Water Technologies & Solutions and General Electric and began her career in the steel industry, including Worthington Industries.

Kozak holds an MBA from Pennsylvania State University and a bachelor’s degree from Temple University. She also earned a Chief Human Resources Officer certificate from Wharton Executive Education at the University of Pennsylvania.

About Armstrong World Industries

Armstrong World Industries, Inc. (AWI) is an Americas leader in the design and manufacture of innovative interior and exterior architectural applications including ceilings, specialty walls and

exterior metal solutions. For more than 165 years, Armstrong has delivered products and capabilities that enable architects, designers and contractors to transform building design and construction with elevated aesthetics, acoustics and sustainable attributes. With $1.6 billion in revenue in 2025, AWI has approximately 4,000 employees and a manufacturing network of 24 facilities, plus seven facilities dedicated to its WAVE joint venture.

Investor / Media Contacts

Theresa Womble, VP, Investor Relations and Corporate Communications
TLWomble@armstrong.com or (717) 396-6354

Isabel Sickler, Corporate Communications Manager

IMSickler@armstrong.com or (717) 396-2358

2

Filing Exhibits & Attachments

2 documents

Press Releases

• EX-99.1 EX-99.1 12.8 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 25.4 KB