ABBOTT LABORATORIES

Regulatory Filings • Dec 12, 2025

Field: Rule-Page

Field: /Rule-Page

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

Field: Rule-Page

Field: /Rule-Page

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

December 12, 2025

Date of Report (Date of earliest event reported)

ABBOTT LABORATORIES

(Exact name of registrant as specified in charter)

Field: Rule-Page

Field: /Rule-Page

Illinois	1-2189	36-0698440
(State or other Jurisdiction	(Commission File Number)	(IRS Employer
of Incorporation)		Identification No.)

Field: Rule-Page

Field: /Rule-Page

100 Abbott Park Road

Abbott Park , Illinois 60064-6400

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: ( 224 ) 667-6100

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
Common
Shares, Without Par Value	ABT	New
York Stock Exchange NYSE Texas

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. ¨

Field: Rule-Page

Field: /Rule-Page

Field: Page; Sequence: 1

Field: /Page

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

On December 12, 2025, Nita Ahuja, M.D. was named to the Abbott Laboratories’ (“Abbott”) Board of Directors.

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On December 12, 2025, Abbott’s Board of Directors amended the first sentence of Article III, Section 2 of Abbott’s by-laws to provide that Abbott’s Board of Directors shall consist of thirteen persons, effective as of December 12, 2025. Abbott’s by-laws previously provided that the Board of Directors consisted of twelve persons.

Item 9.01 Financial Statements and Exhibits.

Exhibit No.	Exhibit
99.1	By-Laws of Abbott Laboratories, as amended and restated, effective December 12, 2025.

104 Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document).

Field: Page; Sequence: 2

Field: /Page

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/ Philip P. Boudreau
Philip P. Boudreau
Executive Vice President, Finance and Chief Financial
Officer

Field: Page; Sequence: 3; Options: Last

Field: /Page