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): ~~July 26~~August 23, 2018

CoBiz Financial Inc.

(Exact name of registrant as specified in its charter)

Commission file number 001-15955


Colorado		84-0826324

(State or other jurisdiction of incorporation or organization)		(IRS Employer Identification No.)

1401 Lawrence St., Ste. 1200 Denver, Colorado		80202

(Address of principal executive offices)		(Zip Code)

(303) 312 - 3400

(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

□	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))
	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. □



☐		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))

Item 28.0201. ~~Results~~ ofOther ~~Operations and Financial Condition.~~Events

On ~~July~~August 2623, 2018, BOK Financial Corporation announced that all necessary regulatory approvals required to complete the previously announced acquisition of CoBiz Financial Inc. ~~issued~~have ~~a release~~been ~~announcing~~received. ~~its~~A ~~earnings~~copy ~~for~~of the ~~second quarter~~press ~~2018,~~release aannouncing ~~copy~~the ofregulatory ~~which~~approvals for this transaction is attached ~~hereto~~ as Exhibit 99.1 ~~and~~to isthis ~~incorporated~~Form ~~herein by reference~~8-K.

~~The~~Item ~~information~~9.01. inFinancial ~~this~~Statements ~~report shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”),~~ and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filingExhibits.

~~Item 9.01. Financial Statements and~~ (a)Exhibits

~~(a)~~99 Text ~~Not~~of ~~applicable~~Press Release, dated August 23, 2018, titled "BOK Financial Receives Regulatory Approval for CoBiz Acquisition"

(b) Not applicable

(d) Exhibits

99.1 Release issued on July 26, 2018

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.

	~~CoBiz Financial Inc.~~	CoBiz Financial Inc.
	(Registrant)
Date: August 23, 2018	By:	/s/ Lyne Andrich
Date: July 26, 2018
			Lyne Andrich
	/s/ Lyne Andrich
			Chief Operating Officer and Chief Financial Officer
	Lyne Andrich
	Chief Operating Officer and Chief Financial Officer

EXHIBIT INDEX

Exhibit Number		Description
99.1		Release issued on July 26, 2018

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