# EDGAR Filing Document

**Accession Number:** 0000004977
**File Stem:** 0001104659-26-060158
**Filing Date:** 2026-5
**Character Count:** 17527
**Document Hash:** 27cf04e52c4dd963f135d0460dda0e40
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-060158.hdr.sgml**: 20260513

**ACCESSION NUMBER**: 0001104659-26-060158

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260513

**DATE AS OF CHANGE**: 20260513

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AFLAC INC
- **CENTRAL INDEX KEY:** 0000004977
- **STANDARD INDUSTRIAL CLASSIFICATION:** ACCIDENT & HEALTH INSURANCE [6321]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 581167100
- **STATE OF INCORPORATION:** GA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-18808
- **FILM NUMBER:** 26972712

**BUSINESS ADDRESS:**
- **STREET 1:** 1932 WYNNTON RD
- **CITY:** COLUMBUS
- **STATE:** GA
- **ZIP:** 31999
- **BUSINESS PHONE:** 7063233431

**MAIL ADDRESS:**
- **STREET 1:** 1932 WYNNTON ROAD
- **CITY:** COLUMBUS
- **STATE:** GA
- **ZIP:** 31999

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICAN FAMILY CORP
- **DATE OF NAME CHANGE:** 19920306
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Japan Post Holdings Co., Ltd.
- **CENTRAL INDEX KEY:** 0001783464

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** M0
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 2-3-1 OTEMACHI
- **STREET 2:** CHIYODA-KU
- **CITY:** TOKYO
- **STATE:** M0
- **ZIP:** 100-8791
- **BUSINESS PHONE:** 81-2-3477-0212

**MAIL ADDRESS:**
- **STREET 1:** 2-3-1 OTEMACHI
- **STREET 2:** CHIYODA-KU
- **CITY:** TOKYO
- **STATE:** M0
- **ZIP:** 100-8791

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 4)**

**Issuer:** Aflac Inc.

**Title of Class of Securities:** Common Stock

**CUSIP Number:** —

**Date of Event Which Requires Filing of this Statement:** 05/11/2026

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Japan Post Holdings Co., Ltd. | Names of Reporting Persons<br>Japan Post Holdings Co., Ltd. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M0 | Citizenship or Place of Organization<br>M0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>51612845.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.14% | Percent of Class Represented by Amount in Row (9)<br>10.14% |
| 12. | Type of Reporting Person (See Instructions)<br>FI | Type of Reporting Person (See Instructions)<br>FI |

**Comment for Type of Reporting Person:** Percent of class shown in Row 11 is based on 508,984,904 shares of common stock of Aflac Inc. (the "Issuer"), par value $0.10 per share ("Common Stock") outstanding as of April 28, 2026, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on May 6, 2026.

---

| 1. | Names of Reporting Persons<br>J&A Alliance Holdings Corporation | Names of Reporting Persons<br>J&A Alliance Holdings Corporation |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>51612845.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>51612845.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.14% | Percent of Class Represented by Amount in Row (9)<br>10.14% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Percent of class shown in Row 11 is based on 508,984,904 shares of Common Stock outstanding as of April 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on May 6, 2026.

---

| 1. | Names of Reporting Persons<br>General Incorporated Association J&A Alliance | Names of Reporting Persons<br>General Incorporated Association J&A Alliance |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M0 | Citizenship or Place of Organization<br>M0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>51612845.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.14% | Percent of Class Represented by Amount in Row (9)<br>10.14% |
| 12. | Type of Reporting Person (See Instructions)<br>FI | Type of Reporting Person (See Instructions)<br>FI |

**Comment for Type of Reporting Person:** Percent of class shown in Row 11 is based on 508,984,904 shares of Common Stock outstanding as of April 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on May 6, 2026.

---

| 1. | Names of Reporting Persons<br>Kenji Sano | Names of Reporting Persons<br>Kenji Sano |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M0 | Citizenship or Place of Organization<br>M0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>51612845.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.14% | Percent of Class Represented by Amount in Row (9)<br>10.14% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Percent of class shown in Row 11 is based on 508,984,904 shares of Common Stock outstanding as of April 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on May 6, 2026.

---

| 1. | Names of Reporting Persons<br>Tetsuya Numaguchi | Names of Reporting Persons<br>Tetsuya Numaguchi |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M0 | Citizenship or Place of Organization<br>M0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>51612845.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>51612845.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.14% | Percent of Class Represented by Amount in Row (9)<br>10.14% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Percent of class shown in Row 11 is based on 508,984,904 shares of Common Stock outstanding as of April 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on May 6, 2026.

---

**Item 1(a). Name of Issuer:**
Aflac Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1932 WYNNTON RD, COLUMBUS, GA 31999

**Item 2(a). Name of Person Filing:**
J&A Alliance Holdings Corporation
General Incorporated Association J&A Alliance
Japan Post Holdings Co., Ltd.
Kenji Sano
Tetsuya Numaguchi

**Item 2(b). Address of Principal Business Office:**
J&A Alliance Holdings Corporationc/o J&A Alliance Trust
1501, North Tower, Yurakucho Denki Building, 7-1, Yurakucho 1-chome, Chiyoda-ku
Tokyo, 100-0006, Japan

General Incorporated Association J&A Alliance
Tokyo Kyodo Accounting Office
3-1-1 Marunouchi, Chiyoda-ku
Tokyo 100-0005, Japan

Japan Post Holdings Co., Ltd.
2-3-1, Otemachi, Chiyoda-ku
Tokyo 100-8791, Japan

Kenji Sanoc/o General Incorporated Association J&A Alliance
Tokyo Kyodo Accounting Office
3-1-1 Marunouchi, Chiyoda-ku
Tokyo 100-0005, Japan

Tetsuya Numaguchic/o General Incorporated Association J&A Alliance
Tokyo Kyodo Accounting Office
3-1-1 Marunouchi, Chiyoda-ku
Tokyo 100-0005, Japan

**Item 2(c). Citizenship:**
J&A Alliance Holdings Corporation is a corporation organized under the laws of the State of Delaware.

General Incorporated Association J&A Alliance is a general incorporated association organized under the laws of Japan.

Japan Post Holdings Co., Ltd. is a corporation organized under the laws of Japan.

Kenji Sano and Tetsuya Numaguchi are citizens of Japan.

**Item 2(d). Title of Class of Securities:**
Common Stock

**Item 2(e). CUSIP Number:**
—

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

51,636,945 shares of Common Stock 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.

**(b) Percent of class:**

10.14

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

See Item 4(a).

**(ii) Shared power to vote or to direct the vote:**

See Item 4(a).

**(iii) Sole power to dispose or to direct the disposition of:**

See Item 4(a).

**(iv) Shared power to dispose or to direct the disposition of:**

See Item 4(a).

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Japan Post Holdings Co., Ltd.**

**Date:** 05/13/2026

**By:** /s/ Yuki Takemura

**Name & Title:** Yuki Takemura/Attorney-in-Fact for Nobuyasu Kato

**J&A Alliance Holdings Corporation**

**Date:** 05/13/2026

**By:** /s/ Hiroki Moriyama

**Name & Title:** Hiroki Moriyama/President

**General Incorporated Association J&A Alliance**

**Date:** 05/13/2026

**By:** /s/ Kenji Sano

**Name & Title:** Kenji Sano/Representative Director

**Kenji Sano**

**Date:** 05/13/2026

**By:** /s/ Kenji Sano

**Name & Title:** Kenji Sano

**Tetsuya Numaguchi**

**Date:** 05/13/2026

**By:** /s/ Tetsuya Numaguchi

**Name & Title:** Tetsuya Numaguchi