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FULLER H B CO

For the period ended Sep 23, 2026. Filed Sep 28, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Sep 23, 2026 · Filed Sep 28, 2026

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FUL$49.86-0.7%Stored close · as of Nov 6, 2026
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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): September 23, 2026

H.B. Fuller Company

(Exact Name of Company as Specified in Charter)

Minnesota001-0922541-0268370
(State or other jurisdiction ofincorporation)(Commission File Number)(IRS Employer Identification No.)
1200 Willow Lake Boulevard, P.O. Box 64683, St. Paul, Minnesota55164-0683
(Address of principal executive offices)(Zip Code)

Company’s telephone number, including area code: (651)236-5900

(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 DFR 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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $1.00FULNYSE

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 5.02 | Departure of Directors or Certain Officers;

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.