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): October 21, 2026

Farmers & Merchants Bancorp

(Exact name of registrant as specified in its charter)

Delaware	000-26099	94-3327828
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

111 West Pine Street, Lodi, California	95240
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code: (209) 367-2300

Former name or former address, if changed since last report

Not Applicable

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
None		Not applicable		Not applicable

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§0.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§0.12b-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 October 21, 2026, Farmers & Merchants Bancorp (the “Company”) released an investor presentation (the “Investor Presentation”) which includes updates regarding the Company’s financial position, business, and operations that management of the Company intends to use from time to time in investor communications and conferences. A copy of the Investor Presentation is attached hereto as Exhibit 99.1.

In accordance with General Instruction B.2 of Form 8-K, the information furnished in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and is not to be incorporated by reference into any filing by the Company, under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language contained in such filing, unless otherwise expressly stated in such filing. By filing this Form 8-K and furnishing this information pursuant to Item 7.01, the Company makes no admission as to the materiality of any information in this Form 8-K, including Exhibit 99.1, that is required to be disclosed solely by Regulation FD.

Item 9.01

Financial Statements and Exhibits

Exhibit No.

Description of Exhibits

99.1

Farmers & Merchants Bancorp Investor Presentation, dated October 21, 2026.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

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.

	FARMERS & MERCHANTS BANCORP


	By	/s/ Bart R. Olson


		Bart R. Olson
		Executive Vice President
		& Chief Financial Officer

Date: October 21, 2026