Japan Post unit sells 19,100 AFLAC shares

Japan Post Holdings Co., Ltd., a 10% owner of Aflac Inc., reported selling a total of 19,100 shares of Aflac common stock in open-market transactions on March 6, 2026.

Accepted by SEC EDGAR 03/10/2026 - 09:00 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Japan Post Holdings Co., Ltd., a 10% owner of Aflac Inc., reported selling a total of 19,100 shares of Aflac common stock in open-market transactions on March 6, 2026. The sales occurred in three tranches at weighted average prices of $109.62, $110.50, and $111.29 per share.

The shares are held indirectly through J&A Alliance Holdings Corporation, acting as trustee of the J&A Alliance Trust

Insider Trade Summary

Net Seller: 19,100 shares

Net Sell 3 txns

Insider Japan Post Holdings Co., Ltd.

Role 10% Owner

Sold 19,100 shs ($2.12M)

Share of Position Sold 0.04%

Type	Security	Shares	Price	Value
Sale	Common Stock	3,126	$109.62	$343K
Sale	Common Stock	5,998	$110.50	$663K
Sale	Common Stock	9,976	$111.29	$1.11M

Holdings After Transaction: Common Stock — 52,222,400 shares (Indirect, See footnote)

Holdings Before and After: Common Stock, 52,241,500 to 52,222,400 shares (Indirect, See footnote)

Other Insiders: 2 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (4)

1. F1. The price reported represents the weighted average price of shares of Common Stock of Aflac Inc. (the "Issuer") sold in multiple transactions at prices ranging from $109.08 to $110.08 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.
2. F2. 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") and Kenji Sano 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 owns 100% 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 and Japan Post expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.
3. F3. The price reported represents the weighted average price of shares of Common Stock of the Issuer sold in multiple transactions at prices ranging from $110.085 to $111.085 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.
4. F4. The price reported represents the weighted average price of shares of Common Stock of the Issuer sold in multiple transactions at prices ranging from $111.09 to $111.48 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.

FAQ

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

How many AFLAC (AFL) shares were sold in the latest Japan Post-related Form 4?

The filing reports that entities associated with Japan Post Holdings Co., Ltd. sold 19,100 shares of Aflac Inc. common stock. These sales occurred through three open-market transactions disclosed in the Form 4.

On what date did the Japan Post-affiliated entity sell AFLAC (AFL) shares?

All reported transactions took place on March 6, 2026. The Form 4 shows three separate open-market sales of Aflac common stock executed that day, each at different weighted average price ranges.

At what prices were the AFLAC (AFL) shares sold in this Form 4?

The shares were sold at weighted average prices of $109.62, $110.50, and $111.29 per share. Footnotes state each average reflects multiple trades within price ranges around those levels.

How many AFLAC (AFL) shares remain held after these reported sales?

After the final transaction, the Form 4 reports 52,222,400 shares of Aflac common stock indirectly held. This figure reflects the holding following the third open-market sale on March 6, 2026.

Were the AFLAC (AFL) share sales by Japan Post direct or indirect holdings?

The sales involved indirect holdings, coded as "I" for indirect ownership. The reported securities are held by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust, rather than directly by Japan Post.

Who actually holds the AFLAC (AFL) shares linked to Japan Post in this filing?

The shares are held directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust. General Incorporated Association J&A Alliance and Kenji Sano sit in the ownership chain, and Japan Post may be deemed a beneficial owner.

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

No. The filing states that General Incorporated Association J&A Alliance, Kenji Sano, and Japan Post each expressly disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest in the shares.

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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).

X

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^*

Japan Post Holdings Co., Ltd.

(Last) (First) (Middle)

2-3-1, OTEMACHI, CHIYODA-KU

(Street)

TOKYO M0 100-8791

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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

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 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/06/2026		S		3,126	D	$109.62(1)	52,238,374	I	See footnote(2)
Common Stock	03/06/2026		S		5,998	D	$110.5(3)	52,232,376	I	See footnote(2)
Common Stock	03/06/2026		S		9,976	D	$111.29(4)	52,222,400	I	See footnote(2)

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported represents the weighted average price of shares of Common Stock of Aflac Inc. (the "Issuer") sold in multiple transactions at prices ranging from $109.08 to $110.08 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.

2. 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") and Kenji Sano 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 owns 100% 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 and Japan Post expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

3. The price reported represents the weighted average price of shares of Common Stock of the Issuer sold in multiple transactions at prices ranging from $110.085 to $111.085 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.

4. The price reported represents the weighted average price of shares of Common Stock of the Issuer sold in multiple transactions at prices ranging from $111.09 to $111.48 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.

	/s/ Nobuyasu Kato, Rep. Exec. Officer and Executive Vice President of Japan Post Holdings Co., Ltd.	03/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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