Marathon Bancorp director receives stock, options

Q: What equity awards did Amy Zientara receive from Marathon Bancorp (MBBC)?

Amy Zientara received a grant of 3,386 shares of Marathon Bancorp Common Stock at $0.00 per share and stock options on 8,467 shares with a $14.55 exercise price, as part of her equity compensation package.

Q: What are the key terms of Amy Zientara’s new stock options at Marathon Bancorp (MBBC)?

Amy Zientara was granted 8,467 stock options on Marathon Bancorp Common Stock with an exercise price of $14.55 per share. These options expire on June 15, 2036 and vest at a rate of 20% per year starting June 15, 2027.

Q: What existing stock options does Amy Zientara hold in Marathon Bancorp (MBBC)?

Amy Zientara holds previously granted stock options on 600 shares with a $6.48 exercise price expiring in 2033 and on 2,400 shares with a $8.13 exercise price expiring in 2032, all relating to Marathon Bancorp Common Stock.

Marathon Bancorp, Inc. director and Chairwoman of the Board Amy Zientara reported new equity compensation awards.

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Form Type

Rhea-AI Filing Summary

Marathon Bancorp, Inc. director and Chairwoman of the Board Amy Zientara reported new equity compensation awards. She received 3,386 shares of Common Stock as a grant at $0.00 per share, increasing her direct Common Stock holdings to 27,110 shares. She was also granted stock options on 8,467 shares of Common Stock with an exercise price of $14.55 per share, exercisable through June 15, 2036. The filing also lists previously granted stock options on 600 shares at $6.48 per share expiring in 2033 and 2,400 shares at $8.13 per share expiring in 2032. Footnotes state that both the restricted stock and these options vest in installments of 20% per year beginning on their respective commencement dates.

Insider Trade Summary

Grant/Award: 11,853 shares

Grant/Award 4 txns

Insider Zientara Amy

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	--	--	--

Holdings After Transaction: Stock Options — 11,467 contracts for 3,000 underlying shares (Direct); Common Stock — 27,110 shares (Direct)

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 at $0.00 Common shares held: 27,110 shares New option grant: 8,467 options at $14.55 +3 more

6 metrics

Restricted stock grant 3,386 shares at $0.00 Common Stock grant to Amy Zientara on June 15, 2026

Common shares held 27,110 shares Direct Common Stock holdings after reported transactions

New option grant 8,467 options at $14.55 Stock options expiring June 15, 2036

Existing option block 1 600 options at $6.48 Stock options expiring May 16, 2033

Existing option block 2 2,400 options at $8.13 Stock options expiring June 28, 2032

Vesting rate 20% per year Restricted stock and options vesting schedule from commencement dates

Key Terms

restricted stock, stock options, exercise price, expiration date, +1 more

5 terms

restricted stock financial

"Shares of restricted stock 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.

stock options financial

"Stock options vest at a rate of 20% per year"

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.

exercise price financial

"conversion_or_exercise_price: "14.5500""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"expiration_date: "2036-06-15T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

FAQ

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

What equity awards did Amy Zientara receive from Marathon Bancorp (MBBC)?

Amy Zientara received a grant of 3,386 shares of Marathon Bancorp Common Stock at $0.00 per share and stock options on 8,467 shares with a $14.55 exercise price, as part of her equity compensation package.

How many Marathon Bancorp (MBBC) shares does Amy Zientara hold after this Form 4?

After the reported transactions, Amy Zientara directly holds 27,110 shares of Marathon Bancorp Common Stock. This figure includes the newly granted 3,386 shares of restricted stock that were awarded to her at no cash cost per share.

What are the key terms of Amy Zientara’s new stock options at Marathon Bancorp (MBBC)?

Amy Zientara was granted 8,467 stock options on Marathon Bancorp Common Stock with an exercise price of $14.55 per share. These options expire on June 15, 2036 and vest at a rate of 20% per year starting June 15, 2027.

How do Amy Zientara’s restricted Marathon Bancorp (MBBC) shares vest?

The restricted Common Stock granted to Amy Zientara vests in installments of 20% per year, beginning on June 15, 2027. Footnotes also note additional restricted shares that vest at 20% per year beginning on June 28, 2023.

What existing stock options does Amy Zientara hold in Marathon Bancorp (MBBC)?

Amy Zientara holds previously granted stock options on 600 shares with a $6.48 exercise price expiring in 2033 and on 2,400 shares with a $8.13 exercise price expiring in 2032, all relating to Marathon Bancorp Common Stock.

Are Amy Zientara’s Marathon Bancorp (MBBC) equity awards open-market purchases or compensation grants?

The Form 4 identifies the transactions with code A, described as a grant, award, or other acquisition. The reported 3,386 shares and 8,467 stock options therefore reflect equity compensation grants, not open-market stock purchases.

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 - 04:47 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^*

Zientara Amy

(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)	X	Other (specify below)
			Chairwoman of the Board

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	27,110⁽²⁾	D

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