Tamara Wendoll - 31 Aug 2025 Form 4 Insider Report for PACIFIC PREMIER BANCORP INC (PPBI)

Role: Pres. of Pacific Premier Trust
Signature: /s/ Tamara Wendoll
Issuer symbol: PPBI
Transactions as of: 31 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Sep 2025, 16:31:50 UTC
Previous filing: 18 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Wendoll Tamara	Pres. of Pacific Premier Trust	17901 VON KARMAN AVE., SUITE 1200, IRVINE	/s/ Tamara Wendoll	03 Sep 2025	0001920682

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PPBI	PPBI Common Stock	Disposed to Issuer		-34,170	-100%		0	31 Aug 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Tamara Wendoll is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	Disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated April 23, 2025, by and among Columbia Banking System, Inc. ("Columbia"), Pacific Premier Bancorp, Inc. (the "Issuer") and Balboa Merger Sub, Inc., pursuant to which the Issuer was merged with and into Columbia on August 31, 2025 (the "Effective Time"). Pursuant to the Merger Agreement, as of the Effective Time, each share of the Issuer's common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.9150 of a share of Columbia common stock, with cash (without interest) paid in lieu of fractional shares, if applicable (the "Exchange Ratio").
F2	Includes 27,181 shares of restricted stock ("Issuer RSA"). Pursuant to the Merger Agreement, at the Effective Time, each Issuer RSA was assumed and converted into a restricted stock award in respect of shares of Columbia common stock based on the Exchange Ratio and subject to the same terms and conditions as were applicable to the Issuer RSA immediately prior to the Effective Time.

Content

Disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated April 23, 2025, by and among Columbia Banking System, Inc. ("Columbia"), Pacific Premier Bancorp, Inc. (the "Issuer") and Balboa Merger Sub, Inc., pursuant to which the Issuer was merged with and into Columbia on August 31, 2025 (the "Effective Time"). Pursuant to the Merger Agreement, as of the Effective Time, each share of the Issuer's common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.9150 of a share of Columbia common stock, with cash (without interest) paid in lieu of fractional shares, if applicable (the "Exchange Ratio").

Includes 27,181 shares of restricted stock ("Issuer RSA"). Pursuant to the Merger Agreement, at the Effective Time, each Issuer RSA was assumed and converted into a restricted stock award in respect of shares of Columbia common stock based on the Exchange Ratio and subject to the same terms and conditions as were applicable to the Issuer RSA immediately prior to the Effective Time.