Nippon Life boosts Corebridge (CRBD) stake plan with 10.9M-share 10b5-1 program

Rhea-AI Filing Summary

Nippon Life Insurance Company, a major shareholder of Corebridge Financial, Inc., reported beneficial ownership of 121,989,527 shares of Corebridge common stock, representing 27.4% of the 445,768,608 shares outstanding as of June 22, 2026. This total includes 121,956,256 shares held directly and 33,271 shares held by its wholly owned subsidiary Nissay Asset Management Corporation.

On August 7, 2026, Nippon Life entered into a Rule 10b5-1 trading plan under which a broker-dealer will make periodic purchases of up to 10,900,682 Corebridge shares on its behalf. Purchases will begin after the applicable cooling-off period and required regulatory approvals and may continue until the earlier of acquiring the full 10,900,682 shares, 90 days after the plan’s effective date, or other specified termination events.

Key Figures

Beneficial ownership: 121,989,527 shares Ownership percentage: 27.4 % Shares outstanding: 445,768,608 shares +2 more

5 metrics

Beneficial ownership 121,989,527 shares Total Corebridge common shares beneficially owned by Nippon Life

Ownership percentage 27.4 % Portion of Corebridge common stock class represented by Nippon Life’s holdings

Shares outstanding 445,768,608 shares Corebridge common shares outstanding as of June 22, 2026

10b5-1 plan capacity 10,900,682 shares Maximum Corebridge shares to be purchased under Nippon Life’s Rule 10b5-1 trading plan

Plan duration limit 90 days Maximum period after the effective date before the 10b5-1 plan terminates, absent earlier triggers

Key Terms

Rule 10b5-1, beneficially owned, Sole Voting Power, Sole Dispositive Power, +1 more

5 terms

Rule 10b5-1 regulatory

"entered into a purchase agreement pursuant to Rule 10b5-1 , as amended"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

beneficially owned financial

"The amount of securities beneficially owned includes 121,956,256 shares"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power financial

"Number of Shares Beneficially Owned by Each Reporting Person With: Sole Voting Power"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

Sole Dispositive Power financial

"Number of Shares Beneficially Owned by Each Reporting Person With: Sole Dispositive Power"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Schedule 14A regulatory

"as disclosed in the Definitive Merger Proxy on Schedule 14A filed"

Schedule 14A is a document that companies file with regulators to share important information with shareholders before a big vote, like approving a merger or election of directors. It matters because it helps investors understand what’s happening so they can make informed decisions about the company’s future.

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

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Available on EDGAR 08/07/2026 - 04:06 PM Accepted by SEC EDGAR 08/07/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What percentage of Corebridge Financial (CRBD) does Nippon Life currently own?

Nippon Life Insurance Company beneficially owns 121,989,527 shares of Corebridge Financial common stock, representing 27.4% of the 445,768,608 shares outstanding as of June 22, 2026.

How many Corebridge (CRBD) shares may be purchased under Nippon Life’s new plan?

Under a Rule 10b5-1 trading plan entered August 7, 2026, a broker-dealer may purchase up to an aggregate of 10,900,682 Corebridge common shares on behalf of Nippon Life.

What is the maximum duration of Nippon Life’s Corebridge (CRBD) 10b5-1 trading plan?

The 10b5-1 trading plan will end on the earliest of acquiring 10,900,682 shares, 90 days after the plan’s effective date, or other specified termination conditions in the plan.

How is Nippon Life’s Corebridge (CRBD) stake held between entities?

Nippon Life’s beneficial ownership includes 121,956,256 shares held directly and 33,271 shares held by Nissay Asset Management Corporation, its direct wholly owned subsidiary, which Nippon Life may be deemed to beneficially own.

On what share count is Nippon Life’s 27.4% Corebridge (CRBD) stake based?

The 27.4% ownership figure is based on 445,768,608 Corebridge common shares outstanding as of June 22, 2026, as disclosed in a Definitive Merger Proxy on Schedule 14A.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

Corebridge Financial, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

21871X109

(CUSIP Number)

Yohei Miyanaga
Nippon Life Insurance Company, 3-5-12 Imabashi, Chuo-ku
Osaka, M0, 541-8501
1-332-250-4819

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

08/07/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 21871X109

1

Name of reporting person

Nippon Life Insurance Company

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

JAPAN

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 121,989,527.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 121,989,527.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

121,989,527.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

27.4 %

14

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.01 per share
(b)	Name of Issuer: Corebridge Financial, Inc.
(c)	Address of Issuer's Principal Executive Offices: 2919 Allen Parkway, Woodson Tower, Houston, TEXAS , 77019.
Item 4.	Purpose of Transaction
	Item 4 is hereby amended and supplemented by the following. On August 7, 2026, the Reporting Person entered into a purchase agreement pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended (the "10b5-1 Trading Plan"). Pursuant to the 10b5-1 Trading Plan, a broker dealer will make periodic purchases of up to an aggregate of 10,900,682 shares of Common Stock on behalf of Reporting Person. Purchases under the plan will commence upon the later to occur of (i) the end of the relevant cooling-off period and (ii) receipt of all necessary regulatory approvals (the "Effective Date"). The 10b5-1 Trading Plan shall terminate upon the earliest to occur of (i) the first date on which an aggregate of 10,900,682 shares of Common Stock have been acquired by the Reporting Person, (ii) the date that is 90 days following the Effective Date and (iii) the other termination conditions specified in the 10b5-1 Trading Plan. The foregoing description of the 10b5-1 Trading Plan does not purport to be complete and is qualified in its entirety by the text of the 10b5-1 Trading Plan, which is attached as an exhibit to this Schedule 13D and incorporated herein by reference.
Item 5.	Interest in Securities of the Issuer
(a)	Item 5 is hereby amended and restated by the following. The information contained on the cover pages to the Schedule 13D is hereby incorporated by reference. The amount of securities beneficially owned includes 121,956,256 shares of Common Stock held of record by the Reporting Person and 33,271 shares of Common Stock held of record by Nissay Asset Management Corporation ("NAMC"), a direct wholly owned subsidiary of the Reporting Person, which the Reporting Person may be deemed to beneficially own. Based on a total of 445,768,608 shares of Common Stock outstanding as of June 22, 2026, as disclosed in the Definitive Merger Proxy on Schedule 14A filed by the Issuer on June 23, 2026.
(b)	The information contained on the cover pages to the Schedule 13D is hereby incorporated by reference.
(c)	None.
(d)	None.
(e)	Not applicable.
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	Item 6 is hereby amended and supplemented by the following: Item 4 summarizes certain provisions of the 10b5-1 Trading Plan and is incorporated herein by reference. A copy of the 10b5-1 Trading Plan is attached as an exhibit to this Schedule 13D, and incorporated by reference herein. Except as set forth herein, the Reporting Person does not have any contracts, arrangements, understandings or relationships (legal or otherwise) with any person with respect to any securities of the Issuer, including but not limited to any contracts, arrangements, understandings or relationships concerning the transfer or voting of such securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or losses, or the giving or withholding of proxies.
Item 7.	Material to be Filed as Exhibits.
	Item 7 is hereby amended and supplemented by the following. 6 Purchase Agreement, dated as of August 7, 2026, by and between Nippon Life Insurance Company and Goldman Sachs International.

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.

Nippon Life Insurance Company

Signature:	/s/ Yohei Miyanaga
Name/Title:	Yohei Miyanaga, General Manager
Date:	08/07/2026