STOCK TITAN

Japan Post unit trims AFLAC (NYSE: AFL) stake by 20,100 shares

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Japan Post Holdings Co., Ltd., through an affiliated trust structure, reported open-market sales of 20,100 shares of AFLAC Inc. common stock on April 2, 2026. The shares were sold in multiple transactions at weighted average prices ranging from $109.15 to $110.50 per share.

After these sales, entities associated with Japan Post Holdings indirectly held 51,934,800 AFLAC shares. The reported securities are held directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust, with various parties, including Japan Post, potentially deemed beneficial owners subject to pecuniary-interest limitations and express ownership disclaimers.

Positive

  • None.

Negative

  • None.
Insider Japan Post Holdings Co., Ltd.
Role 10% Owner
Sold 20,100 shs ($2.22M)
Type Security Shares Price Value
Sale Common Stock 6,466 $109.80 $710K
Sale Common Stock 13,634 $110.39 $1.51M
Holdings After Transaction: Common Stock — 51,948,434 shares (Indirect, See footnote)
Footnotes (1)
  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 $109.15 to $110.15 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. 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. The price reported represents the weighted average price of shares of Common Stock of the Issuer sold in multiple transactions at prices ranging from $110.16 to $110.50 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.
Shares sold 20,100 shares Open-market sales of AFLAC common stock on April 2, 2026
First trade block 6,466 shares at $109.80/share Open-market sale of AFLAC common stock
Second trade block 13,634 shares at $110.39/share Open-market sale of AFLAC common stock
Post-transaction holdings 51,934,800 shares Indirectly held after April 2, 2026 sales
Price range (block 1) $109.15–$110.15/share Weighted average price range for first set of trades
Price range (block 2) $110.16–$110.50/share Weighted average price range for second set of trades
weighted average price financial
"The price reported represents the weighted average price of shares of Common Stock..."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
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
"expressly disclaim beneficial ownership of the reported securities except to the extent of its pecuniary interest therein"
ten percent owner financial
"Japan Post Holdings Co., Ltd. is listed as a ten percent owner of AFLAC INC"
open-market sale financial
"transaction_action is described as an open-market sale of Common Stock"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
SEC Form 4
FORM 4UNITED 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)
TOKYO100-8791

(City)(State)(Zip)

JAPAN

(Country)
2. Issuer Name and Ticker or Trading Symbol
AFLAC INC [ AFL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock04/02/2026S6,466D$109.8(1)51,948,434ISee footnote(2)
Common Stock04/02/2026S13,634D$110.39(3)51,934,800ISee 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 $109.15 to $110.15 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"), 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.
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 $110.16 to $110.50 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.04/06/2026
** 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 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)

FAQ

What insider transaction did Japan Post Holdings report in AFLAC (AFL)?

Japan Post Holdings reported affiliated entities sold 20,100 AFLAC common shares on April 2, 2026. The open-market sales occurred in multiple trades, with prices between $109.15 and $110.50 per share, and were reported on a Form 4 filing.

At what prices were the AFLAC (AFL) shares sold by the Japan Post affiliate?

The AFLAC shares were sold at weighted average prices ranging from $109.15 to $110.50 per share. Individual trades occurred within sub-ranges of $109.15–$110.15 and $110.16–$110.50, with detailed breakdowns available upon regulatory request.

How many AFLAC (AFL) shares does the Japan Post-related entity hold after the sale?

After the April 2, 2026 transactions, entities associated with Japan Post Holdings indirectly held 51,934,800 AFLAC common shares. These shares are owned directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust under a multi-party ownership structure.

Who actually holds the AFLAC (AFL) shares linked to Japan Post Holdings?

The reported AFLAC shares are held directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust. Various parties, including Japan Post Holdings, may be deemed beneficial owners through ownership and trust relationships described in the Form 4 footnotes.

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

No. The filing states that Japan Post Holdings and related parties expressly disclaim beneficial ownership of the reported AFLAC securities, except to the extent of their pecuniary interest, despite potentially being deemed beneficial owners under the described trust and ownership structure.

What role does J&A Alliance Holdings play in the AFLAC (AFL) share transactions?

J&A Alliance Holdings Corporation holds the AFLAC shares directly as trustee of the J&A Alliance Trust. The April 2, 2026 open-market sales reported on Form 4 involve these trust-held shares, with other entities potentially deemed beneficial owners under the structure outlined in the footnotes.