EWSB Bancorp stake updated by Mangold family

James and Sara Mangold report beneficial ownership of 98,068 shares of EWSB Bancorp, Inc. common stock, equal to 9.67% of the 1,014,220 shares outstanding.

Rhea-AI Filing Summary

James and Sara Mangold report beneficial ownership of 98,068 shares of EWSB Bancorp, Inc. common stock, equal to 9.67% of the 1,014,220 shares outstanding.

On June 29, 2026, James Mangold purchased 39,950 shares at $10 per share in a subscription offering using personal funds. He holds sole voting and dispositive power over 88,068 shares and shares power over 10,000 with his spouse; Sara Mangold holds sole power over 1,698 shares and shares power over 96,370 with her spouse. The shares are held for investment, and they may acquire or dispose of additional shares over time.

Key Figures

Beneficial ownership: 98,068 shares Ownership percentage: 9.67% Shares outstanding for calculation: 1,014,220 shares +4 more

7 metrics

Beneficial ownership 98,068 shares Aggregate EWSB Bancorp common stock beneficially owned by James and Sara Mangold

Ownership percentage 9.67% Percentage of 1,014,220 shares of common stock deemed outstanding

Shares outstanding for calculation 1,014,220 shares Common stock deemed outstanding for computing the Mangolds’ 9.67% interest

Recent purchase quantity 39,950 shares Shares purchased by James Mangold on June 29, 2026 in a subscription offering

Subscription offering price $10 per share Price paid by James Mangold for 39,950 shares on June 29, 2026

James sole voting/dispositive power 88,068 shares Shares of EWSB Bancorp over which James Mangold has sole voting and dispositive power

Sara shared voting/dispositive power 96,370 shares Shares of EWSB Bancorp over which Sara Mangold shares voting and dispositive power with her spouse

Key Terms

beneficially own, subscription offering, sole voting and dispositive power, shared voting and dispositive power, +1 more

5 terms

beneficially own financial

"beneficially own, in the aggregate, 98,068 shares of the Issuer's Common Stock"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

subscription offering financial

"On June 29, 2026, Mr. Mangold purchased 39,950 shares ... in a subscription offering"

A subscription offering is a company’s sale of new securities that investors agree to buy in advance, similar to signing up for a magazine subscription where you commit to receive future issues. It matters to investors because it changes how many shares exist and who owns them, and it provides the company with cash for growth, debt repayment or other plans—outcomes that can raise or lower the value of existing holdings.

sole voting and dispositive power financial

"Mr. Mangold has sole voting and dispositive power with respect to 88,068 shares"

shared voting and dispositive power financial

"has shared voting and dispositive power with respect to 10,000 shares"

Schedule 13D regulatory

"If the filing person has previously filed a statement on Schedule 13G"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many EWSB (EWSB) shares do James and Sara Mangold beneficially own?

James and Sara Mangold beneficially own 98,068 shares of EWSB Bancorp common stock, representing 9.67% of 1,014,220 shares deemed outstanding. This total includes shares over which they have both sole and shared voting and dispositive power.

What recent EWSB (EWSB) share purchase did James Mangold report?

On June 29, 2026, James Mangold purchased 39,950 shares of EWSB Bancorp common stock at $10 per share in a subscription offering. The purchase was funded with personal funds and contributed to the couple’s overall reported ownership.

What percentage of EWSB (EWSB) does the Mangold family own?

James and Sara Mangold report owning 9.67% of EWSB Bancorp’s common stock, based on 1,014,220 shares deemed outstanding. Their combined 98,068 shares give them a significant but non‑controlling ownership position in the company.

How is voting power over EWSB (EWSB) shares split between James and Sara Mangold?

James Mangold has sole voting and dispositive power over 88,068 shares and shared power over 10,000 shares with Sara. Sara Mangold has sole power over 1,698 shares and shared power over 96,370 shares with James.

Why do James and Sara Mangold hold EWSB (EWSB) shares?

The Mangolds state they hold their EWSB Bancorp shares for investment purposes. They indicate they may acquire additional securities or dispose of existing ones over time, using personal funds through brokers or privately negotiated transactions.

How were the EWSB (EWSB) shares acquired by the Mangolds funded?

The Mangolds disclose that their EWSB Bancorp common stock was purchased with personal funds. This includes the June 29, 2026 subscription offering purchase of 39,950 shares at $10 per share by James Mangold.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/28/2026 - 02:32 PM Accepted by SEC EDGAR 07/28/2026 - 02:32 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

EWSB Bancorp, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

26929P107

(CUSIP Number)

James E. Mangold
109 West Second Street,
Kaukauna, WI, 54130
920-766-4646

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

06/29/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 26929P107

1

Name of reporting person

James E. Mangold

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

PF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 88,068.00
8	Shared Voting Power 10,000.00
9	Sole Dispositive Power 88,068.00
10	Shared Dispositive Power 10,000.00

11

Aggregate amount beneficially owned by each reporting person

98,068.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.67 %

14

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13D

CUSIP Number(s): 26929P107

1

Name of reporting person

Sara Mangold

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

PF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 1,698.00
8	Shared Voting Power 96,370.00
9	Sole Dispositive Power 1,698.00
10	Shared Dispositive Power 96,370.00

11

Aggregate amount beneficially owned by each reporting person

98,068.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.67 %

14

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock
(b)	Name of Issuer: EWSB Bancorp, Inc.
(c)	Address of Issuer's Principal Executive Offices: 109 West Second Street, Kaukauna, WISCONSIN , 54130.
Item 2.	Identity and Background
(a)	James E. Mangold and Sara Mangold
(b)	The address for both James E. Mangold and Sara Mangold is: 4774 Potters Crossing, Pulaski, Wisconsin 54162
(c)	Mr. Mangold is the Vice President of Lending for East Wisconsin Savings Bank, 109 West Second Street, Kaukauna, Wisconsin 54310. Mrs. Mangold is Principal, Assumption B.V.M.
(d)	Neither Mr. Mangold nor Mrs. Mangold has, during the last five years, been convicted in any criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	Neither Mr. Mangold nor Mrs. Mangold has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and has not, as a result of such proceeding, been subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
(f)	Mr. Mangold and Mrs. Mangold are both U.S. citizens.
Item 3.	Source and Amount of Funds or Other Consideration
	The shares of the Issuer's Common Stock were purchased with personal funds.
Item 4.	Purpose of Transaction
	The shares covered by this Schedule 13D are being held for investment purposes. Mr. Mangold and Mrs. Mangold may, from time to time, acquire additional securities of the Issuer using personal funds through a broker and/or privately negotiated transactions or dispose of securities. Except as described above, neither Mr. Mangold (except in his capacity as an officer of the Issuer and of East Wisconsin Savings Bank, the wholly-owned subsidiary of the Issuer) nor Mrs. Mangold have any present plans or proposals that relate to or would result in, any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Person may change his purpose or formulate different plans or proposals with respect thereto at any time.
Item 5.	Interest in Securities of the Issuer
(a)	As of the date hereof, Mr. Mangold and Mrs. Mangold beneficially own, in the aggregate, 98,068 shares of the Issuer's Common Stock, representing 9.67% of the 1,014,220 shares of the Common Stock deemed outstanding for such purpose.
(b)	Mr. Mangold has sole voting and dispositive power with respect to 88,068 shares of the Issuer's Common Stock and has shared voting and dispositive power with respect to 10,000 shares of the Issuer's Common stock with his spouse, Sara Mangold. Ms. Mangold has sole voting and dispositive power with respect to 1,698 shares of the Issuer's Common Stock and has shared voting and dispositive power with respect to 96,370 shares of the Issuer's Common stock with her spouse, James E. Mangold.
(c)	On June 29, 2026, Mr. Mangold purchased 39,950 shares for a purchase price of $10 per share in a subscription offering.
(d)	None
(e)	Not applicable
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	See response to Item 4 above.
Item 7.	Material to be Filed as Exhibits.
	See Exhibit 1.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

James E. Mangold

Signature:	/s/ James E. Mangold
Name/Title:	James E. Mangold, Vice President of Lending
Date:	07/27/2026

Sara Mangold

Signature:	/s/ Sara Mangold
Name/Title:	Sara Mangold
Date:	07/27/2026