UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of ~~the~~The Securities Exchange Act of 1934

Date of Report: July 1 22, 2026

(Date of earliest event reported)

ARROW FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)


New York	0-12507	22-2448962
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

250 Glen Street

Glens Falls

New York

12801

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code:

518

745-1000

(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	Name of each exchange on which registered
Common Stock, Par Value $1.00 per share	AROW	NASDAQ Global Select Market


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 2.0102. Results ~~Completion~~ of ~~Acquisition~~Operations orand ~~Disposition~~Financial ~~of Assets~~Condition.

On July 1 23, 2026, Arrow Financial Corporation (the “"Company”") ~~closed~~issued ~~its~~a ~~previously~~press ~~announced~~release ~~acquisition~~containing ofunaudited ~~Adirondack~~financial ~~Bancorp,~~information ~~Inc. (“Adirondack”)~~ and ~~its~~accompanying ~~banking~~discussion ~~subsidiary~~for ~~Adirondack Bank, which was merged with and into Arrow Bank pursuant to~~ the ~~terms~~quarter ofended ~~the Agreement and Plan of Merger (the "Agreement") dated February 25~~June 30, 2026. ~~The~~ A ~~banking~~copy ~~system~~of ~~conversion~~this ~~and~~press ~~integration~~release is ~~scheduled~~furnished as Exhibit 99.1 to bethis ~~completed~~report ~~later~~on inForm ~~2026~~8-K.

~~Merger~~Item ~~Consideration~~7.01. Regulation FD Disclosure.

~~Pursuant~~On toJuly 23, 2026, the ~~terms~~Company ~~and~~made ~~subject~~available tocertain ~~the~~presentation ~~conditions~~material of (the ~~Agreement,~~"Second ~~each~~Quarter ~~share~~2026 ofInvestor ~~common stock~~Presentation"), ~~par~~which ~~value~~includes ~~$5.00~~among ~~per~~other ~~share~~things, ofa ~~Adirondack~~review ~~outstanding immediately prior to the effective time~~ of ~~the~~financial ~~transaction~~results ~~will~~and betrends ~~converted~~through ~~into~~ the ~~right~~period toended ~~receive (i) 1.8610 shares of Arrow common stock~~June 30, ~~par value $1~~2026.00 ~~per~~The ~~share,~~furnished ~~and~~Second ~~(ii)~~Quarter ~~$18.72~~2026 inInvestor ~~cash.~~Presentation ~~Holders~~should ofbe ~~Adirondack~~read ~~common stock will receive cash~~ in ~~lieu~~conjunction ofwith ~~fractional~~our ~~shares.~~Earnings ~~The~~Release ~~transaction~~for ~~is intended to be a tax-free reorganization under Section 368(a) of~~ the ~~Internal~~quarter ~~Revenue~~ended ~~Code~~June 30, 2026.

~~The~~A ~~foregoing~~copy ~~description~~ of the ~~Agreement~~presentation ~~does~~material ~~not purport to be complete and~~ is ~~qualified~~included inas ~~its~~Exhibit ~~entirety~~99.2 ~~by reference~~ to ~~the~~this ~~full~~current ~~text~~report ofon ~~the~~Form ~~Agreement,~~8-K ~~which is filed as Exhibit 2.1 hereto~~ and is incorporated herein by reference ~~herein~~.

~~Item~~The 5information furnished under this Report, including Exhibits 99.021 and 99.2, ~~Departure~~shall not be deemed “filed” for purposes of ~~Directors~~Section or18 ~~Certain~~of ~~Officers;~~the ~~Election~~Securities Exchange Act of ~~Directors;~~1934, ~~Appointment~~as amended, or subject to the liabilities of ~~Certain~~that ~~Officers;~~section. ~~Compensatory~~The ~~Arrangements~~information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, regardless of ~~Certain~~any ~~Officers~~general incorporation language in such filing.

Appointment of Rocco F. Arcuri, Sr. as Director. Pursuant to the Agreement, the Board of Directors (the “Board”) of the Company appointed Rocco F. Arcuri, Sr. as a director of the Company effective July 1, 2026. Rocco Arcuri served as President and CEO of Adirondack Bank from June 2013 through the acquisition date. He has more than 45 years of banking experience. Mr. Arcuri has an MBA in Management and a Bachelor of Science in Business. He will not be joining any committee of the Board at the effective date of his appointment. There are no related party transactions between the Company and Mr. Arcuri that would require disclosure under Item ~~404(a) of Regulation S-K~~8. Mr01. Other Arcuri will be compensated in accordance with the Company’s director compensation policy as more fully described in the Company’s most recent proxy statement filed with the Securities and Exchange Commission on April 23, 2026Events.

~~Pursuant~~On ~~to the Agreement, Mr. Arcuri was also appointed Senior Vice President, Regional President, Mohawk Valley of Arrow Bank effective~~ July 1 22, 2026~~. Mr. Arcuri entered into an employment agreement with the Company which became effective on July 1~~, ~~2026 and, pursuant to~~ the ~~Agreement,~~Board ~~the~~of ~~Company~~Directors ~~assumed~~ (the ~~supplemental~~“Board”) ~~executive retirement plan previously entered into between Adirondack and Mr. Arcuri on that date. Additionally, in connection with the execution~~ of the ~~Agreement,~~Company ~~Mr.~~declared ~~Arcuri entered into~~ a ~~settlement~~quarterly ~~and non-competition agreement with Adirondack Bank, pursuant to which Mr. Arcuri’s former employment agreement with Adirondack Bank was canceled in exchange for a~~ cash ~~payment~~dividend ~~payable by Adirondack Bank three business days prior to the completion~~ of ~~the transaction~~$0.30 ~~The~~per ~~settlement~~share ~~and~~payable ~~non-competition agreement contains non-competition and non-solicitation restrictions in favor of Arrow. Descriptions of each of the new employment agreement~~August 25, ~~the supplemental executive retirement plan and the settlement and non-competition agreement were included in the Company’s definitive Prospectus dated May 7,~~ 2026, ~~as filed on May 12, 2026, pursuant~~ to ~~SEC~~shareholders ~~Rule 424(b)(3), under the section titled “The Merger-Interests~~ of ~~Certain~~record ~~Adirondack~~on ~~Directors and Executive Officers in the Merger~~August 11,” ~~which descriptions are incorporated herein by reference~~2026.

Item 7 9.01. Financial ~~Regulation~~Statements FDand ~~Disclosure~~Exhibits.

~~On July 1, 2026, the Company issued a press release announcing the completion of the acquisition of Adirondack Bancorp, Inc., a copy of which is furnished herewith as Exhibit 99.1.~~Exhibits:

~~The information contained in this Item 7.01 and~~ Exhibit 99No.1 shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such section, nor will such information be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as may be expressly set forth by specific reference in such filing. Description

~~Item~~Exhibit 999.~~01.~~ 1 Arrow Financial ~~Statements~~Corporation ~~and~~Earnings ~~Exhibits~~Press Release dated July 23, 2026

~~(a)~~ Exhibit 99.2 Arrow Financial ~~statements~~Corporation ofSecond ~~businesses~~Quarter ~~acquired.~~2026 Investor Presentation dated July 23, 2026

~~The~~104 Cover ~~information~~Page ~~required~~Interactive byData ~~this~~File ~~Item 9.01~~(a)embedded ~~will~~within ~~be filed by an amendment to this Current Report on Form 8-K no later than 71 days after~~ the ~~date~~Inline onXBRL ~~which this Current Report on Form 8-K is required to be filed.~~document)

(b) Pro forma financial information.

The information required by this Item 9.01(b) will be filed by an amendment to this Current Report on Form 8-K no later than 71 days after the date on which this Current Report on Form 8-K is required to be filed.

Exhibit No						Description
Exhibit 2.1						Agreement and Plan of Merger, dated as of February 25, 2026, by and among Arrow Financial Corporation, Adirondack Bancorp, Inc. and Arrow Merger Sub, Inc., incorporated by reference to Exhibit 2.1 to Form 8-K filed February 26, 2026
Exhibit 99.1						Press Release dated July 1, 2026
Exhibit 104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the ~~registrant~~Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ARROW FINANCIAL CORPORATION
Date:	July 1, 2026	/s/ Penko Ivanov
		Registrant
		Penko IvanovChief Financial Officer
Date:	July 23, 2026	/s/ Penko Ivanov
		Penko Ivanov
		Chief Financial Officer

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