Japan Post discloses major AFLAC shareholding

Japan Post Holdings Co., Ltd., a ten percent owner of AFLAC INC, filed an initial statement of beneficial ownership for AFLAC common stock.

Rhea-AI Filing Summary

Japan Post Holdings Co., Ltd., a ten percent owner of AFLAC INC, filed an initial statement of beneficial ownership for AFLAC common stock. The filing reports 50,898,490 shares of common stock held indirectly through the J&A Alliance Trust, for which J&A Alliance Holdings Corporation acts as trustee.

General Incorporated Association J&A Alliance, Kenji Sano, Tetsuya Numaguchi, and Japan Post may be deemed to beneficially own these shares through their interests in the trust structure, but each party disclaims beneficial ownership except to the extent of its pecuniary interest.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Japan Post Holdings Co., Ltd.

Role 10% Owner

Type	Security	Shares	Price	Value
holding	Common Stock F1	--	--	--

Holdings After Transaction: Common Stock — 50,898,490 shares (Indirect, See footnote)

Footnotes (1)

1. F1. The reported securities are held directly by J&A Alliance Holdings Corporation ("J&A Holdings"), in its capacity as the trustee of the J&A Alliance Trust (the "Trust"). General Incorporated Association J&A Alliance ("General Incorporated"), Kenji Sano and Tetsuya Numaguchi each may be deemed to beneficially own the securities held by J&A Holdings (in its capacity as trustee of the Trust) because (i) General Incorporated owns J&A Holdings and (ii) Kenji Sano and Tetsuya Numaguchi each own 50% of the equity interests in General Incorporated. Japan Post Holdings Co., Ltd. ("Japan Post") may be deemed to beneficially own the shares of common stock owned directly by J&A Holdings, in its capacity as the trustee of the Trust, due to its role as the sole settlor and beneficiary of the Trust. Each of General Incorporated, Kenji Sano, Tetsuya Numaguchi and Japan Post expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

Key Figures

Indirectly held AFLAC shares: 50,898,490 shares Ownership role: Ten percent owner

2 metrics

Indirectly held AFLAC shares 50,898,490 shares Common stock position reported as of 2026-08-06 on initial ownership statement

Ownership role Ten percent owner Japan Post Holdings Co., Ltd. identified as ten percent owner of AFLAC INC

Key Terms

beneficially own, pecuniary interest, trustee, settlor and beneficiary

4 terms

beneficially own financial

"each may be deemed to beneficially own the securities held by J&A Holdings"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

pecuniary interest financial

"disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest"

trustee financial

"held directly by J&A Alliance Holdings Corporation in its capacity as the trustee of the J&A Alliance Trust"

A trustee is a person or institution legally appointed to hold and manage assets or enforce an agreement on behalf of other people (beneficiaries). Think of a trustee as a neutral referee or custodian who must act in the beneficiaries’ best interests, follow the trust or contract rules, and handle distributions, recordkeeping and enforcement. Investors care because a trustworthy trustee protects their rights, ensures promised payments or remedies are delivered, and can influence recoveries if things go wrong.

settlor and beneficiary financial

"due to its role as the sole settlor and beneficiary of the Trust"

FAQ

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

What stake in AFLAC INC (AFL) does Japan Post report on this Form 3?

Japan Post reports 50,898,490 shares of AFLAC INC common stock. These shares are held indirectly through the J&A Alliance Trust, with J&A Alliance Holdings Corporation acting as trustee for the trust.

Is Japan Post a ten percent owner of AFLAC INC (AFL)?

Yes. The Form 3 identifies Japan Post Holdings Co., Ltd. as a ten percent owner of AFLAC INC. The ownership is reported as indirect, held through the J&A Alliance Trust structure.

How are the 50,898,490 AFLAC (AFL) shares held according to this filing?

The 50,898,490 shares are held directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust. Various related entities and individuals may be deemed beneficial owners through their interests in this trust structure.

Does Japan Post fully acknowledge beneficial ownership of the AFLAC (AFL) shares?

No. Japan Post and related parties expressly disclaim beneficial ownership of the reported AFLAC shares except to the extent of their pecuniary interest. This limits their acknowledged economic exposure in the position.

Are there any recent buy or sell transactions in AFLAC (AFL) in this Form 3?

No specific buy or sell transactions are reported. The Form 3 provides an initial statement of holdings, listing indirect ownership of AFLAC common stock rather than detailing recent trades.

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

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Accepted by SEC EDGAR 08/13/2026 - 04:05 PM EDT Learn about SEC filing dates

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^*

Japan Post Holdings Co., Ltd.

(Last) (First) (Middle)

2-3-1, OTEMACHI, CHIYODA-KU

(Street)

TOKYO 100-8791

(City) (State) (Zip)

JAPAN

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/06/2026

3. Issuer Name and Ticker or Trading Symbol
AFLAC INC [ AFL ]

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)

	Director	X	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)
Common Stock	50,898,490	I	See footnote(1)

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

Explanation of Responses:

1. The reported securities are held directly by J&A Alliance Holdings Corporation ("J&A Holdings"), in its capacity as the trustee of the J&A Alliance Trust (the "Trust"). General Incorporated Association J&A Alliance ("General Incorporated"), Kenji Sano and Tetsuya Numaguchi each may be deemed to beneficially own the securities held by J&A Holdings (in its capacity as trustee of the Trust) because (i) General Incorporated owns J&A Holdings and (ii) Kenji Sano and Tetsuya Numaguchi each own 50% of the equity interests in General Incorporated. Japan Post Holdings Co., Ltd. ("Japan Post") may be deemed to beneficially own the shares of common stock owned directly by J&A Holdings, in its capacity as the trustee of the Trust, due to its role as the sole settlor and beneficiary of the Trust. Each of General Incorporated, Kenji Sano, Tetsuya Numaguchi and Japan Post expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

Remarks:

Exhibit 24.1 - Power of Attorney (incorporated by reference to Exhibit 99.1 of Form N-PX filed by the Reporting Person on July 10, 2026).

	/s/ Yuki Takemura, Senior General Manager, as attorney-in-fact for Kenji Meguro	08/13/2026
	** 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)