SONOCO PRODUCTS CO — Board/Management Information 2026

May 11, 2026

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 5, 2026

SONOCO PRODUCTS COMPANY

Commission File No. 001-11261

South Carolina	57-0248420
(State or other jurisdiction of incorporation)	(I.R.S. Employer Identification Number)

1 N. Second St.

Hartsville , South Carolina 29550

(Address of principal executive offices)(Zip Code)

Telephone: ( 843 ) 383-7000

(Registrant's telephone number, including area code)

(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 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(s)	Name of each exchange on which registered
No par value common stock	SON	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 pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On May 5, 2026, Aditya Gandhi informed Sonoco Products Company (the “Company”) of his intention to resign from his position as Chief Accounting Officer, effective May 29, 2026. Mr. Gandhi’s decision to resign was not the result of any disagreement with the Company or its Board of Directors relating to the Company’s operations, policies or practices or any issues regarding its accounting policies or practices.

Paul Joachimczyk, the Company’s Chief Financial Officer, will assume the responsibilities of principal accounting officer until a successor principal accounting officer is appointed.

SIGNATURE

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.

/s/ John M. Florence, Jr.
John M. Florence, Jr.
General Counsel, Secretary and Vice President