Form 8-K

8-K — RAYONIER ADVANCED MATERIALS INC.

Accession: 0001597672-26-000017

Filed: 2026-05-14

Period: 2026-05-13

CIK: 0001597672

SIC: 2611 (PULP MILLS)

Item: Regulation FD Disclosure

Documents

8-K — ryam-20260513.htm (Primary)

EX-99.1 (form8k-exhibit991x5142026.htm)

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8-K

8-K (Primary)

Filename: ryam-20260513.htm · Sequence: 1

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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)

May 13, 2026

COMMISSION FILE NUMBER 001-36285

Incorporated in the State of Delaware

I.R.S. Employer Identification Number 46-4559529

Rayonier Advanced Materials Inc.

1301 Riverplace Boulevard, Jacksonville, Florida 32207

(Principal Executive Office)

Telephone Number: (904) 357-4600

Check the appropriate box below if the form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:

☐ 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 Name of Exchange on which Registered

Common Stock, $0.01 par value RYAM 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 ☐

Item 7.01 Regulation FD Disclosure

On May 13, 2026, the Board of Directors (the “Board”) of Rayonier Advanced Materials Inc. (the “Company”) appointed Julie A. Dill, a current member of the Board, to serve as Chair of the Board, effective May 14, 2026. Ms. Dill succeeds Lisa M. Palumbo, who will continue to serve as a member of the Board.

On May 14, 2026, the Company issued a press release announcing the appointment of Ms. Dill as Chair of the Board. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

99.1

Press Release, dated May 14, 2026, announcing appointment of Julie A. Dill as Chair of the Board

104 Cover page interactive data file (embedded within the Inline XBRL document)

Signature

Pursuant to the requirements of the Securities Exchange Act of l934, the registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

Rayonier Advanced Materials Inc.

By: /s/ R. COLBY SLAUGHTER

R. Colby Slaughter

Senior Vice President, General Counsel and Corporate Secretary

Date: May 14, 2026

EX-99.1

Filename: form8k-exhibit991x5142026.htm · Sequence: 2

Document

For Immediate Release NEWS RELEASE

Contacts:

Media

Ryan Houck

904-357-9134

Investors

Daniel Bradley

904-549-7396

Rayonier Advanced Materials Board of Directors Elects Julie A. Dill as Non-Executive Chair

Jacksonville, Florida — May 14, 2026 — Rayonier Advanced Materials Inc. (NYSE: RYAM) (“RYAM” or the “Company”) today announced that its Board of Directors has elected Julie A. Dill as Non-Executive Chair of the Board, effective May 14, 2026. Ms. Dill succeeds Lisa M. Palumbo, who has completed her second two-year term as Chair and will continue to serve as an independent director.

Ms. Dill has served on the RYAM Board since 2018 and brings extensive leadership experience across the energy, industrials, and infrastructure sectors, including as a public company chief executive officer. Her background in finance, investor relations, and operations provides the Board with valuable perspective as it oversees the Company's strategy and stakeholder engagement efforts. Her appointment reflects the Board’s ongoing commitment to strong corporate governance, thoughtful succession planning, and disciplined strategic oversight.

“I am honored to take on the role of Non-Executive Chair and appreciate the Board’s confidence,” said Ms. Dill. “RYAM has a compelling strategy and a strong leadership team, and I look forward to working with my fellow directors and the management team to support the Company’s continued progress and long-term value creation.”

The Board expressed its appreciation to Ms. Palumbo for her leadership and continued service to the Company.

About RYAM

RYAM is a global leader of high purity cellulose commonly used in the production of filters, food, pharmaceuticals, high performance plastics, propellants and various other industrial applications. RYAM’s specialized assets, capable of creating the world’s leading cellulose specialties products, are also used to produce cellulose viscose pulp, cellulose fluff pulp, paperboard, high yield pulp and various value-added co-products, including biofuels, bioelectricity and lignin. With manufacturing operations in the U.S., Canada and France, RYAM generated $1.5 billion of revenue in 2025. More information is available at www.RYAM.com.

FORWARD-LOOKING STATEMENTS

Certain statements in this press release may constitute forward-looking statements within the meaning of the federal securities laws, including Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which can be identified by words such as “may”, “intend”, “believe”, “expect”, “anticipate”, “continue”, or other comparable words and references to future periods. These statements involve a number of risks and uncertainties and RYAM cautions that any forward-looking information is not a guarantee of future performance and that actual results could differ materially from those contained in the forward-looking information. Readers are urged to carefully review and consider the various disclosures, including but not limited to risk factors contained in RYAM’s Annual Report on Form 10-K and its quarterly reports on Form 10-Q, as well as other filings with the securities commissions.

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