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  4. [Form 3] MIZUHO FINANCIAL GROUP INC Initial Statement of Beneficial Ownership

Mizuho Financial (NYSE: MFG) CCO holds 778 phantom stock units vesting 2026

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Mizuho Financial Group Inc. filed an initial ownership report for Chief Compliance Officer Fusae Akamatsu. The filing shows 778 phantom stock units tied to common stock as of April 1, 2026. These units are unvested and vest on June 1, 2026, representing a contingent right to receive one share of common stock per unit, settled in cash or stock at the company’s election.

Positive

  • None.

Negative

  • None.
Insider Akamatsu Fusae
Role Chief Compliance Officer
Type Security Shares Price Value
holding Phantom Stock Units - Ordinary Employee Share Compensation -- -- --
Holdings After Transaction: Phantom Stock Units - Ordinary Employee Share Compensation — 778 shares (Direct)
Footnotes (1)
  1. Represents the unvested portion of a grant of phantom stock units which vest on June 1, 2026. 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.
Phantom stock units 778 units Unvested units as of April 1, 2026
Vesting date June 1, 2026 Phantom stock units vesting date
Settlement ratio 1 unit : 1 share Each unit equals one share of common stock
Exercise price 0.0000 Conversion/exercise price for phantom stock units
Phantom Stock Units financial
"Represents the unvested portion of a grant of phantom stock units which vest on June 1, 2026."
Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.
unvested portion financial
"Represents the unvested portion of a grant of phantom stock units which vest on June 1, 2026."
contingent right financial
"Each phantom stock unit represents a contingent right to receive one share of Issuer Common Stock"
settled in cash or common stock financial
"which will be settled in cash or common stock upon settlement at the Issuer's election."

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

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FAQ

What does Mizuho Financial Group (MFG) disclose in this Form 3 for Fusae Akamatsu?
Mizuho Financial Group reports that Chief Compliance Officer Fusae Akamatsu holds 778 phantom stock units. These units are tied to the company’s common stock and represent unvested employee compensation with settlement in cash or stock upon vesting at the issuer’s election.

How many phantom stock units does MFG’s Chief Compliance Officer hold?
The Chief Compliance Officer of Mizuho Financial Group holds 778 phantom stock units. Each unit corresponds to one share of common stock and is part of ordinary employee share compensation, providing equity-linked incentives without current share ownership until settlement.

When do the phantom stock units reported in MFG’s Form 3 vest?
The phantom stock units disclosed for Mizuho Financial Group’s Chief Compliance Officer vest on June 1, 2026. Until that vesting date, they remain unvested compensation and represent a contingent right rather than directly owned common shares.

How are the phantom stock units for MFG’s executive settled at vesting?
Each phantom stock unit represents a right to receive one share of common stock, settled in cash or stock. Upon settlement, Mizuho Financial Group may choose whether to deliver cash or common stock, giving flexibility in how the award is paid out.

Does the Form 3 for MFG show any buy or sell transactions by Fusae Akamatsu?
The Form 3 for Mizuho Financial Group does not show explicit buy or sell transactions. It primarily reports existing unvested phantom stock units as of April 1, 2026, serving as an initial statement of beneficial ownership rather than a trade record.
SEC Form 3
FORM 3UNITED 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*
Akamatsu Fusae
(Last)(First)(Middle)
C/O MIZUHO FINANCIAL GROUP, INC.,
1-5-5 OTEMACHI, CHIYODA-KU
(Street)
TOKYOJAPAN100-8176
(City)(State)(Zip)
JAPAN
(Country)		2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2026		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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Compliance Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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 ExercisableExpiration DateTitleAmount or Number of Shares
Phantom Stock Units - Ordinary Employee Share Compensation (1) (1)Common Stock778(2)D
Explanation of Responses:
1. Represents the unvested portion of a grant of phantom stock units which vest on June 1, 2026.
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-Fact04/10/2026
** 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 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)

Source: View Original Filing on SEC EDGAR