STOCK TITAN

Marathon Bancorp (MBBC) EVP adds 3,819 shares in open-market 401(k) purchases

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Marathon Bancorp, Inc. EVP and CAO Nora Spatz reported a series of open-market purchases of Marathon Bancorp common stock through a 401(k) plan. Between June 3 and June 10, she bought a total of 3,819 shares at prices ranging from about $13.75 to $14.75 per share, bringing her indirect 401(k) holdings to 39,520 shares of common stock. In addition to these 401(k) holdings, she also reports indirect holdings through a spouse, an ESOP, custodial accounts, and a trust, plus direct ownership of 21,149 shares. She further holds stock options covering 2,883 shares at an exercise price of $6.48 and 2,400 shares at $8.13, which vest over time and expire in 2033 and 2032, respectively.

Positive

  • None.

Negative

  • None.
Insider Spatz Nora
Role EVP and CAO
Bought 3,819 shs ($55K)
Type Security Shares Price Value
Purchase Common Stock 602 $14.75 $9K
Purchase Common Stock 1,904 $14.50 $28K
Purchase Common Stock 197 $14.241 $3K
Purchase Common Stock 320 $14.2481 $5K
Purchase Common Stock 74 $13.7678 $1K
Purchase Common Stock 722 $13.748 $10K
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 39,520 shares (Indirect, By 401(k)); Stock Options — 2,400 shares (Direct, null); Common Stock — 21,149 shares (Direct, null)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.655 to $13.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024. Stock options vest at a rate of 20% per year commencing on June 28, 2023. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
Total shares bought 3,819 shares Open-market 401(k) purchases June 3–10, 2026
Purchase price range $13.655–$14.75 per share Weighted-average ranges from Form 4 footnotes
401(k) holdings after trades 39,520 shares Indirect ownership by 401(k) after June 10, 2026
Direct common stock holdings 21,149 shares Direct ownership of Marathon Bancorp common stock
Stock options at $6.48 2,883 underlying shares Exercise price $6.48, expiration in 2033
Stock options at $8.13 2,400 underlying shares Exercise price $8.13, expiration in 2032
open-market purchase financial
"transaction_action: "open-market purchase" for common stock buys through 401(k)"
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
restricted stock financial
"Includes shares of restricted stock which vest at a rate of 20% per year"
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
ESOP financial
"transaction entry with nature_of_ownership: "By ESOP""
An Employee Stock Ownership Plan (ESOP) is a program that gives employees ownership shares in their company, often as part of their benefits package. It acts like a company-sponsored savings plan, allowing workers to have a stake in the company's success, which can boost motivation and loyalty. For investors, ESOPs can influence company decisions and stock value, making them an important aspect of corporate ownership and governance.
Stock Options financial
"security_title: "Stock Options" with underlying common stock and exercise prices"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Spatz Nora

(Last)(First)(Middle)
500 SCOTT STREET

(Street)
WAUSAU WISCONSIN 54403

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Marathon Bancorp, Inc. /MD/ [ MBBC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP and CAO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/03/2026P722A$13.748(1)36,423IBy 401(k)
Common Stock06/04/2026P74A$13.7678(2)34,497IBy 401(k)
Common Stock06/05/2026P320A$14.2481(3)36,817IBy 401(k)
Common Stock06/08/2026P197A$14.241(4)37,014IBy 401(k)
Common Stock06/09/2026P1,904A$14.538,918IBy 401(k)
Common Stock06/10/2026P602A$14.7539,520IBy 401(k)
Common Stock21,149(5)(6)D
Common Stock1,598IBy Trust
Common Stock1,149IAs custodian
Common Stock2,109IBy ESOP
Common Stock1,372IBy Spouse
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options$8.1306/28/202306/28/2032Common Stock2,400(7)2,400(7)D
Stock Options$6.4805/16/202405/16/2033Common Stock2,883(8)2,883(8)D
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.655 to $13.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.
2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.
3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.
4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.
5. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
6. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.
7. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
8. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
/s/ Benjamin Azoff, pursuant to power of attorney06/11/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Nora Spatz report for Marathon Bancorp (MBBC)?

Nora Spatz reported multiple open-market purchases of Marathon Bancorp common stock through a 401(k) plan. Over June 3–10, she acquired 3,819 shares, adding to her indirect retirement holdings and increasing her overall exposure to the company’s stock alongside existing direct and indirect positions.

How many Marathon Bancorp (MBBC) shares did Nora Spatz buy and at what prices?

Across six open-market purchases, Nora Spatz bought 3,819 Marathon Bancorp common shares through a 401(k). Reported weighted-average purchase prices ranged from about $13.75 to $14.75 per share, reflecting multiple trades executed within narrower price bands as described in the Form 4 footnotes.

What are Nora Spatz’s Marathon Bancorp (MBBC) holdings after these purchases?

After the latest purchases, Nora Spatz’s 401(k) holds 39,520 Marathon Bancorp common shares. She also reports additional indirect holdings via spouse, ESOP, custodial accounts, and a trust, plus 21,149 directly held shares and vested and unvested stock options on several thousand additional common shares.

How are Nora Spatz’s Marathon Bancorp (MBBC) stock options structured?

Nora Spatz holds stock options linked to 2,883 Marathon Bancorp common shares at a $6.48 exercise price and 2,400 shares at $8.13. These options vest at 20% per year starting in 2023 and 2024 and expire in 2033 and 2032, respectively, if not exercised.

What do the weighted-average prices in Nora Spatz’s MBBC Form 4 mean?

The Form 4 reports weighted-average prices because each stated price reflects multiple trades within a specified range. For example, purchases were executed in bands like $13.655–$13.75 or $14.00–$14.25. Detailed per-trade pricing is available from the reporting person upon request, as disclosed.