Director’s phantom stock holdings at Mizuho (NYSE: MFG) detailed

Rhea-AI Filing Summary

Mizuho Financial Group director Shinohara Hiromichi has filed an initial ownership report showing holdings of 3,070 phantom stock units linked to the company’s common stock. These units are fully vested and are designed to settle when he retires from the company.

Each phantom stock unit represents a contingent right to receive one share of Mizuho common stock, with settlement in either cash or shares at the issuer’s election. This filing records his deferred, retirement-linked compensation position rather than a new market transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Shinohara Hiromichi

Role Director

Type	Security	Shares	Price	Value
holding	Phantom Stock Units - Retirement	--	--	--

Holdings After Transaction: Phantom Stock Units - Retirement — 3,070 shares (Direct)

Footnotes (2)

1. F1. These phantom stock units are fully vested and settle upon the Reporting Person's retirement from the Company.
2. F2. Each phantom stock unit represents a contingent right to receive one share of Issuer Common Stock, which will be settled in cash or common stock upon settlement at the Issuer's election.

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Accepted by SEC EDGAR 03/18/2026 - 07:00 AM Learn about SEC filing dates

FAQ

What did Mizuho Financial Group (MFG) director Shinohara Hiromichi report on this Form 3?

He reported holding 3,070 phantom stock units tied to Mizuho common stock. These fully vested units represent deferred compensation that will settle upon his retirement, in either cash or shares at the issuer’s election.

How many phantom stock units linked to MFG common stock does Shinohara Hiromichi hold?

He holds 3,070 phantom stock units linked to Mizuho Financial Group common stock. Each unit corresponds to a contingent right to receive one share, to be settled in cash or stock when the award is settled at retirement.

When do Shinohara Hiromichi’s MFG phantom stock units become payable?

The phantom stock units are fully vested and settle upon his retirement from the company. At that time, Mizuho Financial Group may choose to settle the obligation in either cash or shares of common stock.

What does each Mizuho (MFG) phantom stock unit represent for Shinohara Hiromichi?

Each phantom stock unit represents a contingent right to one share of Mizuho common stock. Upon settlement, the company can elect to deliver either the cash value or actual shares corresponding to those units.

Are Shinohara Hiromichi’s MFG phantom stock units currently vested?

Yes, the phantom stock units are described as fully vested. Although vested, they will only be settled when he retires from Mizuho Financial Group, using either cash or shares at the company’s discretion.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Shinohara Hiromichi

(Last) (First) (Middle)

C/O MIZUHO FINANCIAL GROUP, INC.

1-5-5 OTEMACHI, CHIYODA-KU

(Street)

TOKYO JAPAN 100-8176

(City) (State) (Zip)

JAPAN

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
MIZUHO FINANCIAL GROUP INC [ MFG ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Phantom Stock Units - Retirement	(1)	(1)	Common Stock	3,070	(2)	D

Explanation of Responses:

1. These phantom stock units are fully vested and settle upon the Reporting Person's retirement from the Company.

2. Each phantom stock unit represents a contingent right to receive one share of Issuer Common Stock, which will be settled in cash or common stock upon settlement at the Issuer's election.

Remarks:

Exhibit List: Exhibit 24 -Power of Attorney

	/s/ Yuki Nishii, as Attorney-In-Fact	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)