Marathon Bancorp director receives stock, option grants

Marathon Bancorp director Timothy R. Wimmer reported new equity awards in common stock and stock options.

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Form Type

Rhea-AI Filing Summary

Marathon Bancorp director Timothy R. Wimmer reported new equity awards in common stock and stock options. He received 3,386 shares of common stock as a grant at no cash cost, bringing his directly held common stock to 6,384 shares, separate from 13,862 shares held indirectly by a trust.

Wimmer was also granted 8,467 stock options on common stock with a $14.55 exercise price, all held directly. The restricted stock and these new options vest 20% per year starting on June 15, 2027, while earlier restricted stock and option awards continue vesting annually from June 28, 2023 and May 16, 2024.

Insider Trade Summary

Grant/Award: 11,853 shares

Grant/Award 5 txns

Insider Wimmer Timothy R

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Options	8,467	$0.00	$0.00
Grant/Award	Common Stock	3,386	$0.00	$0.00
holding	Stock Options	--	--	--
holding	Stock Options	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Options — 11,467 contracts for 3,000 underlying shares (Direct); Common Stock — 6,384 shares (Direct); Common Stock — 13,862 shares (Indirect, By Trust)

Footnotes (5)

F1. Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.
F2. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
F3. Stock options vest at a rate of 20% per year commencing on June 15, 2027.
F4. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
F5. Stock options vest at a rate of 20% per year commencing on May 16, 2024.

Key Figures

Restricted stock grant: 3,386 shares Direct common shares after grant: 6,384 shares Indirect trust holdings: 13,862 shares +4 more

7 metrics

Restricted stock grant 3,386 shares Common stock granted to Timothy R. Wimmer on June 15, 2026

Direct common shares after grant 6,384 shares Direct Marathon Bancorp common stock held after June 15, 2026 grant

Indirect trust holdings 13,862 shares Common stock held indirectly by trust for Wimmer

New option grant 8,467 options Stock options on common stock granted June 15, 2026

New option exercise price $14.55 per share Exercise price for 8,467 newly granted stock options

Earlier options tranche 1 600 options at $6.48 Options expiring May 16, 2033 on Marathon Bancorp common stock

Earlier options tranche 2 2,400 options at $8.13 Options expiring June 28, 2032 on Marathon Bancorp common stock

Key Terms

restricted stock, Stock options, vest at a rate of 20% per year, By Trust

4 terms

restricted stock financial

"Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027."

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.

Stock options financial

"Stock options vest at a rate of 20% per year commencing on June 15, 2027."

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.

vest at a rate of 20% per year financial

"Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023."

By Trust financial

"direct_or_indirect: "I", nature_of_ownership: "By Trust""

FAQ

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

What insider activity did Timothy R. Wimmer report at Marathon Bancorp (MBBC)?

Timothy R. Wimmer reported receiving new equity compensation awards in Marathon Bancorp stock and options. The filing shows grants of restricted common shares and stock options, rather than open-market buying or selling, reflecting standard director compensation structure based on long-term vesting schedules.

How many Marathon Bancorp (MBBC) shares does Timothy R. Wimmer now hold directly and indirectly?

After the reported awards, Timothy R. Wimmer directly holds 6,384 shares of Marathon Bancorp common stock. In addition, 13,862 shares are held indirectly through a trust. These positions are separate from his stock options, which provide future rights to acquire additional common shares.

What new stock and option grants did Timothy R. Wimmer receive from Marathon Bancorp (MBBC)?

Wimmer received 3,386 shares of common stock and 8,467 stock options as new grants. The options relate to Marathon Bancorp common stock with a $14.55 exercise price, and both awards are structured as compensation that vests over time rather than immediate, cash-paid market transactions.

When do Timothy R. Wimmer’s Marathon Bancorp (MBBC) restricted shares and options vest?

The newly granted restricted shares and stock options vest at 20% per year starting June 15, 2027. Earlier restricted stock and option awards vest 20% per year beginning June 28, 2023 and May 16, 2024, creating a staggered multi-year vesting schedule tied to ongoing service.

What stock option positions does Timothy R. Wimmer hold in Marathon Bancorp (MBBC)?

Wimmer holds options on Marathon Bancorp common stock with several tranches. These include 600 options at a $6.48 exercise price expiring in 2033, 2,400 options at $8.13 expiring in 2032, and 8,467 newly granted options at $14.55 expiring in 2036, all subject to annual vesting conditions.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/16/2026 - 04:49 PM EDT

SEC Form 4

FORM 4

UNITED 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^*

Wimmer Timothy R

(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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/15/2026		A		3,386⁽¹⁾	A	$0	6,384⁽²⁾	D
Common Stock								13,862	I	By Trust

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Options	$14.55	06/15/2026		A		8,467⁽³⁾		06/15/2027	06/15/2036	Common Stock	8,467⁽³⁾	$0	8,467⁽³⁾	D
Stock Options	$8.13							06/28/2023	06/28/2032	Common Stock	2,400⁽⁴⁾		2,400⁽⁴⁾	D
Stock Options	$6.48							05/16/2024	05/16/2033	Common Stock	600⁽⁵⁾		600⁽⁵⁾	D

Explanation of Responses:

1. Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

2. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

3. Stock options 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.

	/s/ Benjamin Azoff, pursuant to power of attorney	06/16/2026
	** Signature of Reporting Person	Date
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)

Source: View Original Filing on SEC EDGAR