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Marathon Bancorp exec exercises options for 2,163 shares

Marathon Bancorp EVP and CAO Nora Spatz exercised options for 2,163 common shares and retains options on 11,000 additional shares.

(Neutral)
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Form Type
4

Rhea-AI Filing Summary

Marathon Bancorp, Inc. (MBBC) reports that executive vice president and chief administrative officer Nora Spatz exercised stock options on September 18, 2026 to acquire 1,201 shares of common stock at $8.13 per share and 962 shares at $6.48 per share. These exercises reduced corresponding option positions and increased directly held common shares, which include restricted stock that vests 20% annually starting in 2023, 2024 and 2027. Spatz continues to hold options covering 11,000 shares of common stock at an exercise price of $14.55 per share, expiring June 15, 2036, vesting 20% per year commencing June 15, 2027, and also has indirect common stock holdings through a 401(k), a trust, custodial accounts, an employee stock ownership plan, and a spouse account. No transactions are reported as made under a Rule 10b5-1 trading plan.

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Insider Spatz Nora
Role EVP and CAO
Type Security Shares Price Value
Exercise Stock Options F4 1,201 $0.00 $0.00
Exercise Stock Options F5 962 $0.00 $0.00
Exercise Common Stock F1, F2, F3 1,201 $8.13 $10K
Exercise Common Stock F1, F2, F3 962 $6.48 $6K
holding Stock Options F6 -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Options — 14,120 contracts for 11,000 underlying shares (Direct); Common Stock — 29,259 shares (Direct); Common Stock — 39,520 shares (Indirect, By 401(k)); Common Stock — 1,598 shares (Indirect, By Trust); Common Stock — 1,149 shares (Indirect, As custodian); Common Stock — 2,109 shares (Indirect, By ESOP); Common Stock — 1,372 shares (Indirect, By Spouse)
Footnotes (6)
  1. F1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
  2. F2. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.
  3. F3. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.
  4. F4. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
  5. F5. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
  6. F6. Stock options vest at a rate of 20% per year commencing on June 15, 2027.
Common shares acquired at $8.13 1,201 shares Common stock received from option exercise on September 18, 2026 at $8.13 per share
Common shares acquired at $6.48 962 shares Common stock received from option exercise on September 18, 2026 at $6.48 per share
Total shares acquired via exercises 2,163 shares Sum of common shares from both option exercises on September 18, 2026
Remaining options exercise price $14.55 per share Exercise price of remaining stock options expiring June 15, 2036
Remaining option underlying shares 11,000 shares Common shares underlying remaining stock options held directly
Indirect 401(k) holdings 39,520 shares Common stock held indirectly in a 401(k) account after the reported date
Indirect ESOP holdings 2,109 shares Common stock held indirectly through an employee stock ownership plan
Spouse indirect holdings 1,372 shares Common stock held indirectly by spouse
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.
vest at a rate of 20% per year financial
"Stock options vest at a rate of 20% per year commencing"
401(k) financial
"Indirect ownership listed as By 401(k) for common stock holdings"
A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.
Employee Stock Ownership Plan financial
"Indirect ownership listed as By ESOP for common stock holdings"
An employee stock ownership plan (ESOP) is a company-run program that gives workers ownership stakes by allocating or letting them buy company shares, often through a retirement-style account. For investors, ESOPs matter because they align employees’ incentives with company performance—like turning staff into shareholders—which can boost productivity and long-term value but may also concentrate employee retirement savings in company stock, affecting financial risk and share demand.

FAQ

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

What did MBBC executive Nora Spatz report on this Form 4?

Nora Spatz reported exercising stock options on September 18, 2026 to acquire 2,163 shares of Marathon Bancorp common stock at exercise prices of $8.13 and $6.48 per share, increasing her directly held common stock position.

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

She acquired 1,201 shares of common stock at $8.13 per share and 962 shares at $6.48 per share through option exercises on September 18, 2026.

What Marathon Bancorp stock options does Nora Spatz still hold after these transactions?

She continues to hold stock options on common stock with an exercise price of $14.55 per share, expiring June 15, 2036, covering 11,000 underlying shares, vesting 20% annually commencing June 15, 2027.

Does the Form 4 indicate Nora Spatz used a Rule 10b5-1 trading plan for these MBBC transactions?

No. The filing indicates that these transactions were not reported as being made under a Rule 10b5-1 trading plan.

What indirect holdings of Marathon Bancorp (MBBC) common stock does Nora Spatz report?

She reports indirect holdings of common stock including 39,520 shares by a 401(k), 1,598 shares by a trust, 1,149 shares as custodian, 2,109 shares by an employee stock ownership plan, and 1,372 shares by her spouse.

How do restricted stock awards factor into Nora Spatz’s MBBC common stock holdings?

Her reported common stock holdings include restricted stock that vests at 20% per year, with vesting schedules commencing on June 28, 2023, May 16, 2024 and June 15, 2027, as described in the footnotes.

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

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Learn about SEC filing dates
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)
09/18/2026
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 Stock09/18/2026M1,201A$8.1328,297(1)(2)(3)D
Common Stock09/18/2026M962A$6.4829,259(1)(2)(3)D
Common Stock39,520IBy 401(k)
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$8.1309/18/2026M1,20106/28/202306/28/2032Common Stock1,201(4)$01,199(4)D
Stock Options$6.4809/18/2026M96205/16/202405/16/2033Common Stock962(5)$01,921(5)D
Stock Options$14.5506/15/202706/15/2036Common Stock11,000(6)11,000(6)D
Explanation of Responses:
1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
2. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.
3. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.
4. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
5. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
6. Stock options vest at a rate of 20% per year commencing on June 15, 2027.
/s/ Benjamin Azoff, pursuant to power of attorney09/18/2026
** 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)

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