Community West (NASDAQ: CWBC) adds detail on United Security merger economics and lawsuits

Rhea-AI Filing Summary

Community West Bancshares provided an update on its planned merger with United Security Bancshares and issued supplemental disclosures to the joint proxy statement/prospectus. The update notes two New York lawsuits and shareholder demand letters challenging merger disclosures, and explains that additional details are being provided voluntarily to avoid delay and distraction.

The new disclosures add background on USB’s sale process and board views, fuller relative contribution and peer tables, and more detail on valuation work by Janney and Piper Sandler. Illustrative pro forma metrics show USB contributing 29% of combined ownership based on a 0.4520x exchange ratio, CWB’s 2026 estimated earnings at $44.6 million versus USB’s $15.6 million, and modeled CWB EPS accretion of 10.2–19.1% with tangible book value dilution improving from (9.5)% at closing to 2.2% by 2029.

Insights

Bank M&A and valuation analyst

CWBC details merger litigation context and richer deal economics, without changing headline terms.

Community West Bancshares is supplementing merger disclosures after two New York lawsuits and several demand letters alleged deficiencies in the joint proxy statement. The company and United Security Bancshares state they view the claims as without merit but are adding detail to reduce nuisance risk and avoid potential closing delays.

The new material deepens insight into the board process, relative contributions, and valuation work. CWB is shown at $3,687M of projected assets versus USB’s $1,264M, with pro forma ownership of 71% CWB and 29% USB based on a 0.4520x exchange ratio. Expanded comparable company and transaction tables frame the pricing and control premium using S&P Capital IQ and Kroll inputs.

For investors focused on economics, the added pro forma analysis indicates modeled EPS accretion to CWB of 10.2% at closing, rising to 19.1%, while tangible book value per share is projected to be diluted by 9.5% at closing but turn to a 2.2% benefit by 2029. Overall, the update refines transparency around assumptions and risks without altering the announced merger structure.

FALSE000112737100011273712026-03-202026-03-20

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: March 20, 2026

(Date of earliest event reported)

Community West Bancshares
(Exact name of registrant as specified in its charter)
CA (State or other jurisdiction of incorporation)						000-31977 (Commission File Number)			77-0539125 (IRS Employer Identification Number)
7100 N. Financial Dr., Ste. 101, Fresno, CA (Address of principal executive offices)									93720 (Zip Code)
559-298-1775 (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:

☐ 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:

Common Stock, no par value

CWBC

NASDAQ

(Title of Each Class)

(Trading Symbol)

(Name of Each Exchange on which Registered)

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  o

Item 8.01 Other Events

As previously disclosed, on December 16, 2025, Community West Bancshares, a California corporation (the “Company”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and between the Company and United Security Bancshares, a California corporation (“USB”). Pursuant to the terms of the Merger Agreement, and subject to the satisfaction or waiver of the conditions specified therein, USB would merge with and into the Company, with the Company continuing as the surviving corporation (the “Merger”). United Security Bank, USB’s wholly owned banking subsidiary, will be merged with and into Community West Bank, immediately following the completion of the Merger.

On February 4, 2026, the Company filed a registration statement on Form S-4 (the “Registration Statement”) with the SEC, which includes a prospectus with respect to the shares of the Company’s common stock to be issued in the Merger and a joint proxy statement for the Company’s and USB’s respective shareholders. The Registration Statement was declared effective on February 24, 2026, the Company filed a final prospectus on February 24, 2026, and USB filed a definitive proxy statement on February 25, 2026 (together, the “Joint Proxy Statement/Prospectus”). The Company and USB commenced mailing the Joint Proxy Statement/Prospectus to their respective shareholders on or about February 27, 2026. Each of the Company and USB will hold a special meeting of its shareholders on March 30, 2026, in connection with the transactions contemplated by the Merger Agreement as further described in the Joint Proxy Statement/Prospectus.

Litigation Related to the Merger

Following the announcement of the Merger, as of the date of this Current Report on Form 8-K, two lawsuits challenging the Merger have been filed in New York Supreme Court (each, a “Lawsuit” and, together, the “Lawsuits”). The first Lawsuit, captioned Johnson v. United Security Bancshares et al. (No. 651353 / 2026) was filed on March 4, 2026. The second Lawsuit, captioned Thompson v. United Security Bancshares et al. (No. 651360 / 2026) was filed on March 5, 2026. In addition, USB and the Company have received demand letters from certain purported shareholders of USB and the Company that allege deficiencies or omissions in the Registration Statement (collectively, the “Demand Letters” and together with the Lawsuits, the “Matters”). The Matters each allege that, among other things, the Joint Proxy Statement/Prospectus contains certain disclosure deficiencies or incomplete information regarding the Merger and seek additional disclosures to remedy these purported deficiencies. The Company and USB believe that the allegations in the Matters are without merit. There can be no assurances that additional lawsuits or demands will not be filed or made against the Company or USB with respect to the Merger. If this occurs, neither the Company nor USB will necessarily announce them.

The Company and USB believe that the disclosures set forth in the Joint Proxy Statement/Prospectus comply with applicable law and exchange rules and that no further disclosure beyond that already contained in the Joint Proxy Statement/Prospectus is required under applicable law or exchange rules. However, in order to moot such disclosure claims, to avoid nuisance, cost and distraction, and to preclude any efforts to delay the completion of the Merger, and without admitting any culpability, liability or wrongdoing and without admitting the relevance or materiality of such disclosures, the Company and USB are voluntarily supplementing the Joint Proxy Statement/Prospectus with the disclosures set forth below (the “Supplemental Disclosures”). Nothing in the Supplemental Disclosures shall be deemed an admission of the legal necessity or materiality under applicable laws of any of the disclosures set forth herein. To the contrary, the Company and USB specifically deny all allegations in the Matters, including that any additional disclosure was or is required.

Supplemental Disclosures to the Joint Proxy Statement/Prospectus

The Supplemental Disclosures should be read in connection with the Joint Proxy Statement/Prospectus, which should be read in its entirety, including all risk factors and cautionary notes contained therein. All page references are to pages in the Joint Proxy Statement/Prospectus, and terms used below, unless otherwise defined, have the meanings set forth in the Joint Proxy Statement/Prospectus.

1.The Section of the Joint Proxy Statement/Prospectus entitled “Background of the merger” beginning on page 35 is hereby amended by adding the following as a new last sentence to the first paragraph thereunder:

In connection with discussions with its advisors regarding potential transactions, USB and its advisors also periodically solicited interest from potential buyers or merger candidates over the years; however, no other potential candidate expressed actionable interest recently other than CWB.

2.The Section of the Joint Proxy Statement/Prospectus entitled “Background of the merger” beginning on page 35 is hereby amended by adding the following as new additional third and fourth sentence to the paragraph beginning with “On October 7, 2025…” on page 37:

Among other things, the USB Board was aware of and strongly believed that the continuity of director positions and Mr. Woods’ continued employment would be integral to the success of the combined company and, ultimately, in the best interests of USB shareholders. The USB Board viewed this potential transaction as a continued investment in the proposed combined company, and the roles offered by CWB to Messrs. Woods, Gill and the to-be-named director aligned with those beliefs. As discussed below, detailed terms for Mr. Woods’ continued employment were provided by CWB and negotiated after the definitive agreement was substantially negotiated for, among other reasons, concerns for conflicts of interest.

3.The Section of the Joint Proxy Statement/Prospectus entitled “Relative Contribution Analysis” beginning on page 43 is hereby amended by deleting the table appearing in such Section and replacing it with the following table:

			Community West												United Security
			($M)						As a % of Combined Company						($M)						As a % of Combined Company
Balance Sheet (Projected at close)
Total Assets			$	3,687					75		%				$	1,264					25		%
Total Loans			$	2,546					72		%				$	987					28		%
Total Deposits			$	3,125					74		%				$	1,100					26		%
Tangible Common Equity			$	318					70		%				$	137					30		%
Profitability
LTM Net Income (as of September 30, 2025)			$	33.9					75		%				$	11.4					25		%
2026 Estimated Earnings			$	44.6					74		%				$	15.6					26		%
Market Data
Market Capitalization (as of December 15, 2025)			$	463					72		%				$	183					28		%
Pro Forma Ownership (Based on 0.4520x Exchange Ratio)									71		%										29		%

Source: S&P Capital IQ Pro

Note: Balance sheet figures projected as of June 30, 2026

4.The Section of the Joint Proxy Statement/Prospectus entitled “Comparable Company & Market Premium Analysis - USB” beginning on page 43 is hereby amended by adding the following after the table appearing in such Section:

The table below contains additional information reviewed and utilized by Janney in its analysis:

												Adjusted Price(1)
						Total			Mkt			Tang.
						Assets			Cap			Book			LTM			Div.			LTM			LTM			TCE /			NPAs /
Company			Ticker			($M)			($M)			Value			EPS			Yield			ROAA			ROAE			TA			Assets
BayCom Corp			BCML			2,604			333			142.4		%	18.2x			3.9		%	0.89		%	7.0		%	11.5		%	0.48		%
Plumas Bancorp			PLBC			2,229			316			177.3		%	13.2x			2.6		%	1.47		%	13.3		%	10.1		%	0.68		%
Eagle Bancorp Montana, Inc.			EBMT			2,120			146			124.4		%	13.5x			3.1		%	0.64		%	7.7		%	7.1		%	0.10		%
Timberland Bancorp, Inc.			TSBK			2,013			294			148.2		%	12.7x			3.0		%	1.50		%	11.6		%	12.4		%	0.23		%
Oak Valley Bancorp			OVLY			1,995			249			161.2		%	13.1x			2.0		%	1.23		%	12.7		%	9.8		%	0.00		%
Riverview Bancorp, Inc.			RVSB			1,510			111			102.5		%	30.3x			1.5		%	0.31		%	2.9		%	9.2		%	0.05		%
Provident Financial Holdings, Inc.			PROV			1,231			103			100.2		%	21.9x			3.5		%	0.49		%	4.6		%	10.4		%	0.15		%
Sound Financial Bancorp, Inc.			SFBC			1,060			114			133.4		%	21.0x			1.7		%	0.64		%	6.5		%	10.1		%	0.39		%
Mean						1,845			208			136.2		%	18.0x			2.7		%	0.90		%	8.3		%	10.1		%	0.26		%
Median						2,004			197			137.9		%	15.9x			2.8		%	0.77		%	7.4		%	10.1		%	0.19		%
United Security Bancshares			UBFO			1,236			182			145.3		%	17.0x			4.6		%	0.94		%	8.5		%	10.8		%	1.10		%

Source: S&P Capital IQ Pro

(1) Adjusted for a 24.3% equity control premium, which is the median three-day stock price premium for all bank and thrift M&A deals for the past 10 years for all sizes and geographic areas

5.The Section of the Joint Proxy Statement/Prospectus entitled “Comparable Company Analysis - CWB” beginning on page 44 is hereby amended by adding the following after the table appearing in such Section:

The table below contains additional information reviewed and utilized by Janney in its analysis:

												Price /
						Total			Mkt			Tang.
						Assets			Cap			Book			LTM			Div.			LTM			LTM			TCE /			NPAs /
Company			Ticker			($M)			($M)			Value			EPS			Yield			ROAA			ROAE			TA			Assets
Preferred Bank			PFBC			7,468			1,236			159.4		%	10.1X			3.2		%	1.82		%	16.9		%	10.4		%	0.94		%
Heritage Financial Corporation			HFWA			7,012			861			130.4		%	15.4X			3.8		%	0.81		%	6.5		%	9.8		%	0.21		%
Westamerica Bancorporation			WABC			5,914			1,221			151.9		%	10.7X			3.8		%	1.96		%	11.5		%	14.0		%	0.04		%
Heritage Commerce Corp			HTBK			5,624			738			140.0		%	17.2X			4.3		%	0.78		%	6.3		%	9.7		%	0.06		%
Five Star Bancorp			FSBC			4,642			796			184.6		%	13.8X			2.1		%	1.36		%	14.1		%	9.3		%	0.05		%
California BanCorp.			BCAL			4,101			639			147.7		%	10.2X			2.0		%	1.57		%	12.0		%	10.9		%	0.38		%
Bank of Marin Bancorp			BMRC			3,869			445			121.8		%	45.0X			3.6		%	0.26		%	2.3		%	9.7		%	NA
Sierra Bancorp			BSRR			3,709			453			138.2		%	11.9X			2.9		%	1.09		%	11.2		%	9.0		%	0.43		%
Mean						5,292			799			146.7		%	16.8x			3.2		%	1.21		%	10.1		%	10.4		%	0.30		%
Median						5,133			767			143.9		%	12.8x			3.4		%	1.22		%	11.4		%	9.7		%	0.21		%
Community West Bancshares			CWBC			3,612			456			155.8		%	13.4x			2.0		%	0.95		%	9.0		%	8.3		%	0.20		%

6.The Section of the Joint Proxy Statement/Prospectus entitled “Relevant Nationwide Transactions Analysis - USB” beginning on page 45 is hereby amended by adding the following after the table appearing in such Section:

The table below contains additional information reviewed and utilized by Janney in its analysis:

									Deal Price/												Seller Financial Metrics
						Deal			Tang.						Prem./			1-Day			Total
Date						Value			Book			LTM)			Core			Market			Assets			NPAs/			TCE /			LTM
Annc.			Buyer / Seller			($M)			Value			EPS			Deps			Prem.			($M)			Assets			TA			ROAA
12/8/2025			Home Bancshares, Inc. / Mountain Commerce Bancorp, Inc.			154			107.2		%	13.8x			1.1		%	7.3		%	1,803			0.79		%	7.9		%	0.62		%
11/12/2025			Richmond Mutual Bancorp., Inc. / Farmers Bancorp			85			112.3		%	9.1x			2.4		%	7.3		%	1,102			0.25		%	6.9		%	0.90		%
10/30/2025			First Mid Bancshares, Inc. / Two Rivers Financial Group, Inc.			93			109.6		%	10.6x			0.9		%	21.6		%	1,189			0.94		%	7.3		%	0.74		%
10/27/2025			Park National Corporation / First Citizens Bancshares, Inc.			317			168.0		%	14.7x			8.8		%	NA			2,544			0.99		%	6.9		%	0.86		%
10/22/2025			Third Coast Bancshares, Inc. / Keystone Bancshares, Inc.			123			130.1		%	15.1x			4.6		%	NA			1,020			0.09		%	9.2		%	0.88		%
10/22/2025			Farmers National Banc Corp. / Middlefield Banc Corp.			293			160.1		%	13.9x			7.3		%	26.6		%	1,979			1.76		%	9.4		%	1.11		%
10/20/2025			HBT Financial, Inc. / CNB Bank Shares, Inc.			170			120.0		%	10.5x			2.4		%	15.7		%	1,847			0.31		%	6.7		%	0.90		%
10/1/2025			Prosperity Bancshares, Inc. / Southwest Bancshares, Inc.			270			153.3		%	14.6x			4.7		%	NA			2,354			0.82		%	8.7		%	0.84		%
9/25/2025			First Merchants Corporation / First Savings Financial Group, Inc.			241			135.0		%	10.9x			4.3		%	21.5		%	2,417			0.56		%	7.6		%	0.89		%
8/19/2025			TowneBank / Dogwood State Bank			491			223.7		%	30.8x			15.4		%	68.3		%	2,363			0.65		%	9.4		%	0.76		%
7/18/2025			Bank First Corporation / Centre 1 Bancorp, Inc.			174			230.8		%	28.6x			8.3		%	NA			1,534			0.28		%	6.2		%	0.51		%
7/1/2025			Investar Holding Corporation / Wichita Falls Bancshares, Inc.			84			90.9		%	14.2x			-1.1		%	NA			1,594			0.39		%	9.2		%	0.62		%
6/23/2025			First Financial Bancorp. / Westfield Bancorp			324			142.2		%	17.4x			6.1		%	NA			2,123			0.11		%	10.7		%	0.92		%
4/3/2025			TowneBank / Old Point Financial Corporation			202			175.1		%	20.2x			NA			32.4		%	1,451			0.16		%	8.0		%	0.68		%
2/25/2025			Old Second Bancorp, Inc. / Bancorp Financial, Inc.			197			131.1		%	38.7x			7.4		%	NA			1,449			0.14		%	11.0		%	0.50		%
1/10/2025			CNB Financial Corporation / ESSA Bancorp, Inc.			210			96.3		%	11.6x			-0.4		%	10.6		%	2,188			0.56		%	10.0		%	0.78		%
12/17/2024			Northwest Bancshares, Inc. / Penns Woods Bancorp, Inc.			270			139.1		%	13.1x			5.6		%	1.9		%	2,259			0.20		%	8.3		%	0.88		%
9/9/2024			NBT Bancorp Inc. / Evans Bancorp, Inc.			236			132.4		%	12.2x			3.7		%	18.3		%	2,257			1.31		%	7.8		%	0.88		%
7/29/2024			German American Bancorp, Inc. / Heartland BancCorp			347			212.0		%	16.2x			15.7		%	80.0		%	1,920			0.06		%	8.1		%	1.09		%
7/25/2024			ChoiceOne Financial Services, Inc. / Fentura Financial, Inc.			180			134.6		%	14.5x			0.3		%	33.9		%	1,757			0.56		%	7.7		%	0.70		%

5/15/2024			Alerus Financial Corporation / HMN Financial, Inc.			115			106.8		%	20.1x			0.8		%	32.6		%	1,151			0.26		%	9.4		%	0.50		%
			75th Percentile			270			160.1		%	17.4x			7.3		%	36.6		%	2,257			0.79		%	9.4		%	0.89		%
			Median			202			134.6		%	14.5x			4.5		%	21.6		%	1,847			0.39		%	8.1		%	0.84		%
			25th Percentile			154			112.3		%	12.2x			1.0		%	11.9		%	1,451			0.20		%	7.6		%	0.68		%
01/11/24			Community West Bancshares / United Security Bancshares			193			145.3		%	17.0x			5.9		%	3.9		%	1,236			1.10		%	10.8		%	0.94		%

7.The Section of the Joint Proxy Statement/Prospectus entitled “Relevant Regional Transactions Analysis - USB” beginning on page 46 is hereby amended by adding the following after the table appearing in such Section:

The table below contains additional information reviewed and utilized by Janney in its analysis:

									Deal Price/												Seller Financial Metrics
						Deal			Tang.						Prem./			1-Day			Total
Date						Value			Book			LTM)			Core			Market			Assets			NPAs/			TCE /			LTM
Annc.			Buyer / Seller			($M)			Value			EPS			Deps			Prem.			($M)			Assets			TA			ROAA
09/25/25			Heritage Financial Corporation / Olympic Bancorp, Inc.			177			151.3		%	24.4x			4.9		%	NA			1,693			0.01		%	8.4		%	0.51		%
01/29/25			Plumas Bancorp / Cornerstone Community Bancorp			62			135.0		%	NM			NA			49.5		%	658			0.06		%	6.5		%	-0.12		%
01/13/25			Glacier Bancorp, Inc. / Bank of Idaho Holding Company			246			186.7		%	17.3x			12.5		%	45.8		%	1,328			0.16		%	9.5		%	1.09		%
05/20/24			CBC Bancorp / Bay Community Bancorp			127			169.7		%	15.9x			NA			83.0		%	983			0.72		%	7.7		%	0.77		%
05/20/24			West Coast Community Bancorp / 1st Capital Bancorp			60			92.7		%	17.7x			-0.6		%	-0.5		%	1,015			0.04		%	6.4		%	0.35		%
03/22/24			Harborstone Credit Union / SaviBank			78			172.9		%	39.5x			10.9		%	NA			593			0.16		%	7.6		%	0.34		%
01/30/24			Southern California Bancorp / California BanCorp			227			118.1		%	10.4x			2.9		%	12.7		%	1,986			0.19		%	9.5		%	1.09		%
01/11/24			Global Federal Credit Union / First Financial Northwest Bank			231			141.4		%	26.4x			11.2		%	75.3		%	1,525			0.08		%	9.7		%	0.63		%
10/10/23			Central Valley Community Bancorp / Community West Bancshares			100			87.5		%	8.7x			-1.4		%	-12.3		%	1,131			0.09		%	10.0		%	1.05		%
08/08/23			Glacier Bancorp, Inc. / Community Financial Group, Inc.			81			164.9		%	10.7x			5.6		%	147.6		%	754			0.00		%	6.5		%	0.96		%
			75th Percentile			214			168.5		%	24.4x			11.0		%	77.2		%	1,476			0.16		%	9.5		%	1.02		%
			Median			113			146.4		%	17.3x			5.3		%	47.6		%	1,073			0.09		%	8.1		%	0.70		%
			25th Percentile			78			122.3		%	10.7x			2.0		%	9.4		%	811			0.05		%	6.8		%	0.39		%
01/11/24			Community West Bancshares / United Security Bancshares			193			145.3		%	17.0x			5.9		%	3.9		%	1,236			1.10		%	10.8		%	0.94		%

8.The Section of the Joint Proxy Statement/Prospectus entitled “Discounted Cash Flow Analysis” beginning on page 47 is hereby amended by adding the following to the end of the first paragraph of the Section:

Janney selected price to tangible book value and earnings multiples based on Janney’s professional judgment and experience, as well as a review of the multiples of selected transactions deemed to be comparable to the proposed transaction.

Risk Free Rate			4.17%						10-year Treasury (as of December 15, 2025)
Equity Risk Premium			5.00%						Kroll Historical Equity Risk Premium(1)
			9.17%
Industry Beta			1.00						GICS 401010 Information Beta from Kroll(1)
Size Premium			4.47%						Kroll Micro Cap Size Premium(1)
Discount Rate			13.64%
Discount Rate (Rounded)			13.50%

(1) Based upon Kroll Cost of Capital Resources most recently published guidance (as of December 12, 2025

9.The Section of the Joint Proxy Statement/Prospectus entitled “Pro Forma Merger Analysis” beginning on page 48 is hereby amended by adding the following as a new second to last sentence thereof:

For more information about certain of the assumptions used in Janney’s pro forma analysis, see the Investor Presentation filed by CWB as an exhibit to its Current Report on Form 8-K with the SEC on December 17, 2025.

10.The Section of the Joint Proxy Statement/Prospectus entitled “Comparable Company Analyses” beginning on page 57 is hereby amended by deleting the table of company names at the top of page 58 (the “USB Peer Group”) and replacing it with the following:

Financials as of September 30, 2025 unless otherwise noted															Balance Sheet															Capital Position																								LTM Profitability																														Valuation as of 12/15/2025
																																																																																				Price /
																																				Tier 1																											Core																					Tang.															LTM						Est.						Est.												1 Yr
															Total			Loan/			NPAs/									TCE/						Lev.																					Eff.			Core			ROA																					Book															Core						2026						2027			Div.									Price			Mkt
															Assets			Dpts			Assets									TA						Ratio																		NIM			Ratio			ROAA¹			TCE¹																					Value															EPS¹						EPS						EPS			Yield									∆			Cap
Company Name			City, St			Ticker									($M)			(%)			(%)									(%)						(%)																		(%)			(%)			(%)			(%)																					(%)															(x)						(x)						(x)			(%)									(%)			($M)
Unity Bancorp, Inc.			Clinton, NJ			UNTY									2,876			108			0.59									11.6						12.7																		4.46			42			1.99			16.9																					170															11.1						10.0						9.3			1.1									20.2			565
C&F Financial Corporation			Toano, VA			CFFI									2,711			87			0.17									8.5						10.0																		4.20			68			0.98			12.3																					108															9.6						-						-			2.4									(3.2)			245
Orange County Bancorp, Inc.			Middletown, NY			OBT									2,636			85			0.46									10.0						12.3									²									4.01			59			1.27			15.6																					148															10.8						9.3						8.2			2.5									(1.1)			391
Plumas Bancorp			Reno, NV			PLBC									2,229			82			0.68									10.1						10.6									²									4.88			51			1.56			14.7																					144															10.2						8.6						8.2			2.6									(5.8)			320
Northeast Community Bancorp, Inc.			White Plains, NY			NECB									2,056			124			0.03									16.7						16.1									²									5.28			39			2.20			13.3																					96															7.3						7.0						-			3.4									(14.8)			330
Oak Valley Bancorp			Oakdale, CA			OVLY									1,995			63			0.00									9.8						10.8																		4.09			60			1.22			12.9																					132															10.8						-						-			2.0									1.1			253
Bank7 Corp.			Oklahoma City, OK			BSVN									1,891			94			0.31									12.2						12.7																		5.03			40			2.45			20.5																					182															9.7						10.4						-			2.4									(2.3)			417
FB Bancorp, Inc.			New Orleans, LA			FBLA									1,264			90			1.32									26.8						20.0									²									4.60			92			0.14			0.5																					78															NM						-						-			0.0									6.1			243
OptimumBank Holdings, Inc.			Fort Lauderdale, FL			OPHC									1,083			85			0.33									10.8			³			11.7																		4.24			49			1.62			14.8						³															84									⁴						6.2						NM						NM			0.0									(14.5)			48
United Security Bancshares			Fresno, CA			UBFO									1,236			89			1.10									10.8						12.4																		4.37			58			0.95			8.9																					137															15.3						-						-			4.6									0.9			183
1) Core metrics as calculated by S&P Capital IQ Pro
2) Bank level financial data per S&P Capital IQ Pro
3) Calculated using total tangible equity per OPHC filings
4) Price / Tangible Book Value for OPHC includes the dilutive effect of Series B and Series C convertible preferred shares
Note: Price / LTM EPS > 30.0x or < 0.0x considered not meaningful (“NM”)
Source: S&P Capital IQ Pro

11.The Section of the Joint Proxy Statement/Prospectus entitled “Comparable Company Analyses” beginning on page 57 is hereby amended by deleting the table of company names at the top of page 59 (the “CWB Peer Group”) and replacing it with the following:

Financials as of September 30, 2025 unless otherwise noted												Balance Sheet												Capital Position												LTM Profitability																		Valuation as of 12/15/2025
																																																						Price /
																											Tier 1			Total																		Core						Tang.			LTM			Est.			Est.						1 Yr
												Total			Loan/			NPAs/						TCE/			Lev.			RBC									Eff.			Core						ROA						Book			Core			2026			2027			Div.			Price			Mkt
												Assets			Dpts			Assets						TA			Ratio			Ratio						NIM			Ratio			ROAA¹						TCE¹						Value			EPS¹			EPS			EPS			Yield			∆			Cap
Company Name			City, St			Ticker						($M)			(%)			(%)						(%)			(%)			(%)						(%)			(%)			(%)						(%)						(%)			(x)			(x)			(x)			(%)			(%)			($M)
Westamerica Bancorporation			San Rafael, CA			WABC						5,914			15			0.04						14.0			15.4			23.3						3.91			38			1.96						13.1						153			10.7			12.2			12.6			3.7			(11.9)			1,229
Heritage Commerce Corp			San Jose, CA			HTBK						5,624			75			0.06						9.7			9.9			15.4						3.46			61			0.94						10.0						141			14.4			12.7			11.7			4.3			16.0			742
Five Star Bancorp			Rancho Cordova, CA			FSBC						4,642			95			0.05						9.3			9.8			13.6						3.48			41			1.37						14.2						187			13.9			11.2			9.9			2.1			14.2			807
RBB Bancorp			Los Angeles, CA			RBB						4,208			98			1.29						10.6			11.5			23.6						2.89			62			0.56						5.2						86			17.2			10.6			9.5			2.9			(4.0)			380
California BanCorp.			San Diego, CA			BCAL						4,101			86			0.38						10.9			11.2			14.7						4.60			52			1.64						16.7						146			9.7			11.3			10.8			2.0			11.3			634
Bank of Marin Bancorp			Novato, CA			BMRC						3,869			62			0.92						9.7			10.1			16.1						2.96			70			0.67						6.9						121			17.7			13.1			11.8			3.6			12.4			443
Sierra Bancorp			Porterville, CA			BSRR						3,709			85			0.43						9.0			10.7			-						3.71			59			1.09						12.2						139			11.8			10.1			9.8			2.9			9.9			455
PCB Bancorp			Los Angeles, CA			PCB						3,364			94			0.24						9.4			11.6			15.2						3.27			51			1.12						11.6						108			9.9			8.9			8.1			3.4			10.3			337
OP Bancorp			Los Angeles, CA			OPBK						2,614			95			0.50						8.4			9.0			12.2						3.12			60			0.96						11.3						100			9.5			7.6			7.0			3.2			(13.4)			221
BayCom Corp			Walnut Creek, CA			BCML						2,604			92			0.48						11.5			11.8			15.7						3.77			63			0.94						8.5						121			14.6			12.5			11.6			3.7			12.3			351
Avidbank Holdings, Inc.			San Jose, CA			AVBH						2,362			96			0.12						11.6			11.1			13.5						3.63			57			1.26						14.2						108			7.6			8.6			7.6			0.0			24.0			296
Community West Bancshares			Fresno, CA			CWBC						3,612			80			0.20						8.3			9.5			14.1						4.07			62			0.97			²			13.1						158			13.5			10.4			9.8			2.0			12.6			464

1) Core metrics as calculated by S&P Capital IQ Pro

2) Calculated using core net income for the quarters ended 12/31/2024 and 3/31/2025 and stated net income for the quarters ended 6/30/2025 and 9/30/2025 per Community West Bancshares earnings releases. All other values per S&P Capital IQ Pro

Note: Price / LTM EPS > 30.0x or < 0.0x considered not meaningful (“NM”)

Source: S&P Capital IQ Pro

12.The Section of the Joint Proxy Statement/Prospectus entitled “Analysis of Precedent Transactions” beginning on page 59 is hereby amended by deleting the table of Acquiror and Target names at the top of page 60 (the “Nationwide Precedent Transactions”) and replacing it with the following:

												Transaction Information																					Seller Financial Information
															Price/									Core			1-Day
												Deal			LTM						Tang.			Dpt.			Market						Total			LTM						LTM						TCE/			NPAs/
						Annc.						Value			EPS						Book			Prem.			Prem.						Assets			ROAA						ROAE						TA			Assets
Acquiror			Target			Date						($M)			(x)						(%)			(%)			(%)						($M)			(%)						(%)						(%)			(%)
Enova International, Inc. (IL)			Grasshopper Bancorp, Inc. (NY)¹			12/11/25						387.9			NM						332			24.2			-						1,412			0.63						8.5						8.1			1.21
Home Bancshares, Inc. (AR)			Mountain Commerce Bancorp, Inc. (TN)			12/08/25						154.1			13.8						107			1.1			7.3						1,803			0.62						8.0						7.9			0.58
Richmond Mutual Bancorporation, Inc. (IN)			Farmers Bancorp (IN)			11/12/25						85.1			9.1						112			1.6			7.3						1,102			0.90						12.7						6.9			0.25
First Mid Bancshares, Inc. (IL)			Two Rivers Financial Group, Inc. (IA)			10/30/25						92.6			10.6						110			0.9			21.6						1,189			0.74						8.3						7.3			1.301
Third Coast Bancshares, Inc. (TX)			Keystone Bancshares, Inc. (TX)¹			10/22/25						123.0			15.1						130			4.6			-						1,020			0.88						8.9						9.2			0.09
Farmers National Banc Corp. (OH)			Middlefield Banc Corp. (OH)			10/22/25						292.7			13.9						160			7.0			26.6						1,979			1.11						9.9						9.4			1.51
HBT Financial, Inc. (IL)			CNB Bank Shares, Inc. (IL)			10/20/25						170.2			10.5						120			4.0			15.7						1,847			0.90						11.0						6.7			0.311
Heritage Financial Corporation (WA)			Olympic Bancorp, Inc. (WA)			09/25/25						176.6			24.4						151			4.9			-						1,693			0.51						5.8						8.4			0.01
Equity Bancshares, Inc. (KS)			Frontier Holdings, LLC (NE)¹			09/02/25						122.5			13.8						117			3.0			-						1,408			1.26						12.8						8.5			0.26
First Financial Bancorp. (OH)			BankFinancial Corporation (IL)			08/11/25						141.7			NM						91			(1.3)			5.4						1,429			0.14						1.2						10.9			0.70
Bank First Corporation (WI)			Centre 1 Bancorp, Inc. (WI)			07/18/25						174.0			28.6						231			8.3			-						1,534			0.51						7.0						6.2			0.28
Investar Holding Corporation (LA)			Wichita Falls Bancshares, Inc. (TX)¹			07/01/25						83.6			14.2						91			(1.1)			-						1,594			0.62						6.1						9.2			0.39
NB Bancorp, Inc. (MA)			Provident Bancorp, Inc. (MA)			06/05/25						211.7			NM						93			(2.1)			7.9						1,554			0.29						1.9						15.1			2.02
TowneBank (VA)			Old Point Financial Corporation (VA)			04/03/25						202.1			20.2						175			7.3			32.4						1,451			0.68						8.8						8.0			0.16
MetroCity Bankshares, Inc. (GA)			First IC Corporation (GA)			03/17/25						206.0			8.3						142			12.4			81.7						1,192			2.10						18.5						12.2			0.02
Old Second Bancorp, Inc. (IL)			Bancorp Financial, Inc. (IL)¹			02/25/25						196.5			NM						131			7.4			-						1,449			0.50						4.7						11.0			0.14
Glacier Bancorp, Inc. (MT)			Bank of Idaho Holding Company (ID)			01/13/25						246.2			17.3						187			12.5			45.8						1,328			1.09						11.1						9.5			0.16

1) Bank level financial data shown

Note: Price / LTM EPS > 30.0x or < 0.0x considered not meaningful (“NM”)

Source: S&P Capital IQ Pro

1.The Section of the Joint Proxy Statement/Prospectus entitled “Net Present Value Analyses” beginning on page 60 is hereby amended by adding the following to the first paragraph thereunder as a new third sentence following the number 155% at the bottom of page 60:

Piper Sandler selected these price to earnings and tangible book value multiples based on Piper Sandler’s review of, among other matters, the trading multiples of selected companies that Piper Sandler deemed to be comparable to USB.

2.The Section of the Joint Proxy Statement/Prospectus entitled “Net Present Value Analyses” beginning on page 60 is hereby amended by adding the following table after the Earnings Per Share Multiples chart (Annual Estimate Variance) at the bottom of page 61:

The following table describes the discount rate calculation for USB common stock prepared by Piper Sandler. In its normal course of business Piper Sandler employs the Kroll Cost of Capital Navigator in determining an appropriate discount rate in which the discount rate equals the sum of the risk free rate, the equity risk premium, the size premium and the industry premium.

Risk Free Rate			4.80%						20-year Treasury (as of December 15, 2025)
Equity Risk Premium			5.00%						Per Kroll Cost of Capital Navigator
Size Premium			2.66%						Per Kroll Cost of Capital Navigator
Industry Premium			(1.55)%						Per Kroll Cost of Capital Navigator
Discount Rate			10.91%

3.The Section of the Joint Proxy Statement/Prospectus entitled “Net Present Value Analyses” beginning on page 60 is hereby amended by adding the following as a new third sentence to the last full paragraph at the bottom of page 61 directly following the number 175%:

Piper Sandler selected these price to earnings and tangible book value multiples based on Piper Sandler’s review of, among other matters, the trading multiples of selected companies that Piper Sandler deemed to be comparable to CWB.

4.The Section of the Joint Proxy Statement/Prospectus entitled “Net Present Value Analyses” beginning on page 60 is hereby amended by adding the following table after the Earnings Per Share Multiples chart (Annual Estimate Variance) at the bottom of page 62:

The following table describes the discount rate calculation for CWB common stock prepared by Piper Sandler. In its normal course of business Piper Sandler employs the Kroll Cost of Capital Navigator in determining an appropriate discount rate in which the discount rate equals the sum of the risk free rate, the equity risk premium, the size premium and the industry premium.

Risk Free Rate			4.80%						20-year Treasury (as of December 15, 2025)
Equity Risk Premium			5.00%						Per Kroll Cost of Capital Navigator
Size Premium			2.66%						Per Kroll Cost of Capital Navigator
Industry Premium			(1.55)%						Per Kroll Cost of Capital Navigator
Discount Rate			10.91%

5.The Section of the Joint Proxy Statement/Prospectus entitled “Pro Forma Transaction Analysis” beginning on page 62 is hereby amended by adding the following as a new second to last sentence thereof:

For more information about certain of the assumptions provided by CWB for use in Piper Sandler’s pro forma analysis, see the Investor Presentation filed by CWB as an exhibit to its Current Report on Form 8-K filed with the SEC on December 17, 2025, which is incorporated by reference herein.

6.The Section of the Joint Proxy Statement/Prospectus entitled “Pro Forma Transaction Analysis” beginning on page 62 is hereby amended by adding the following table directly following the first paragraph thereunder at the top of page 63:

The following table describes estimated earnings per share and tangible book value accretion and dilution metrics for CWB as indicated in the analysis:

			Closing 12/31/2025 12/31/2025			2026E			2027E			2028E			2029E
EPS Accretion/(Dilution)						10.2		%	19.1		%	18.0		%	16.4		%
TBVPS Accretion / (Dilution)			(9.5)		%	(7.4)		%	(3.4)		%	(0.2)		%	2.2		%

Cautionary Note Regarding Forward-Looking Statements

This Current Report on Form 8-K includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements often include words such as “believes,” “expects,” “anticipates,” “estimates,” “forecasts,” “intends,” “plans,” “targets,” “potentially,” “probably,” “projects,” “outlook” or similar expressions or future or conditional verbs such as “may,” “will,” “should,” “would,” and “could,” as well as the negative of such words. Forward-looking statements are not historical facts but instead represent management's current expectations and forecasts regarding future events, many of which are inherently uncertain and outside of our control. Actual results may differ, possibly materially, from those currently expected or projected in these forward-looking statements. In addition to factors disclosed in reports filed by the Company and USB with the SEC, risks and uncertainties for the Company, USB and the combined company that may cause actual results or outcomes to differ materially from those anticipated include, but are not limited to: (1) the possibility that any of the anticipated benefits of the proposed Merger will not be realized or will not be realized within the expected time period; (2) the risk that integration of USB’s operations with those of the Company will be materially delayed or will be more costly or difficult than expected; (3) the parties’ inability to meet expectations regarding the timing of the proposed Merger; (4) changes to tax legislation and their potential effects on the accounting for the Merger; (5) the inability to complete the proposed Merger due to the failure of USB’s shareholders to adopt the Merger Agreement, or the failure of the Company’s shareholders to adopt the Merger Agreement or to approve the issuance of the Company’s common stock in connection with the Merger; (6) the failure to satisfy other conditions to completion of the proposed Merger; (7) the failure of the proposed Merger to close for any other reason; (8) diversion of management’s attention from ongoing business operations and opportunities due to the proposed Merger; (9) the challenges of integrating and retaining key employees; (10) the effect of the announcement of the proposed Merger on the Company’s, USB’s or the combined company’s respective customer and employee relationships and operating results; (11) the possibility that the proposed Merger may be more expensive to complete than anticipated, including

as a result of unexpected factors or events; (12) the dilution caused by the Company’s issuance of additional shares of the Company’s common stock in connection with the Merger; and (13) changes in the global economy and financial market conditions and the business, results of operations and financial condition of the Company, USB and the combined company. Please refer to each of the Company’s and USB’s Annual Reports on Form 10-K for the year ended December 31, 2024, as well as the Company’s and USB’s other filings with the SEC, for a more detailed discussion of risks, uncertainties and factors that could cause actual results to differ from those discussed in the forward-looking statements.

Any forward-looking statement included in this report is based only on information currently available to management and speaks only as of the date on which it is made. Neither the Company nor USB undertakes any obligation to publicly update any forward-looking statement, whether written or oral, that may be made from time to time, whether as a result of new information, future developments or otherwise.

Additional Information and Where to Find It

The Company has filed a registration statement on Form S-4 with the SEC in connection with the proposed transaction. The registration statement includes a joint proxy statement of the Company and USB that also constitutes a prospectus of the Company, which has been sent to the shareholders of the Company and USB. Before making any voting decision, the shareholders of the Company and USB are advised to read the joint proxy statement/prospectus because it contains important information about the Company, USB and the proposed transaction. This document and other documents relating to the Merger filed by the Company can be obtained free of charge from the SEC’s website at www.sec.gov. These documents also can be obtained free of charge by accessing the Company’s website at ir.communitywestbank.com under the tab “Financials” and on USB’s website at investors.unitedsecuritybank.com under the tab “Financials” and “SEC Filings.” Alternatively, these documents can be obtained free of charge from the Company upon written request to Community West Bancshares, Attn: Investor Relations, 7100 N. Financial Dr., Suite 101, Fresno, CA 93720, or by calling (916) 235-4617 or from Target upon written request to United Security Bancshares, Attn: Investor Relations, 2126 Inyo St., Fresno, CA 93721, or by calling (559) 490-6261. The contents of the websites referenced above are not deemed to be incorporated by reference into the registration statement or the joint proxy statement/prospectus.

Participants in the Solicitation

This report does not constitute a solicitation of a proxy, an offer to purchase or a solicitation of an offer to sell any securities. The Company, USB, and certain of their directors, executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies from the shareholders of the Company and USB in connection with the proposed Merger under SEC rules. Information about the directors and executive officers of the Company and USB is included in the joint proxy statement/prospectus for the proposed transaction filed with the SEC. These documents may be obtained free of charge in the manner described above under “Additional Information and Where to Find It.”

Security holders may obtain information regarding the names, affiliations and interests of the Company’s directors and executive officers in the definitive proxy statement of the Company relating to its 2025 Annual Meeting of Shareholders filed with the SEC on April 4, 2025 and in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on March 17, 2025. Security holders may obtain information regarding the names, affiliations and interests of USB’s directors and executive officers in the definitive proxy statement of USB relating to its 2025 Annual Meeting of Shareholders filed with the SEC on April 7, 2025 and in USB’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on March 20, 2025.

SIGNATURES

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.

Dated: March 20, 2026 COMMUNITY WEST BANCSHARES
By:  /s/ Shannon R. Livingston                         Shannon R. Livingston        Executive Vice President and Chief Financial Officer

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