X0202 SCHEDULE 13D/A 0000905591 XXXXXXXX LIVE 5 Common Stock, par value $0.01 per share 10/02/2026 false 0001889539 21871X109 Corebridge Financial, Inc.

2919 Allen Parkway Woodson Tower Houston TX 77019

Yohei Miyanaga 1-332-250-4819 Nippon Life Insurance Company 3-5-12 Imabashi, Chuo-ku Osaka M0 541-8501 0000905591 N Nippon Life Insurance Company WC N M0 126604050 0 126604050 0 126604050 N 28.4 OO Common Stock, par value $0.01 per share Corebridge Financial, Inc. 2919 Allen Parkway Woodson Tower Houston TX 77019 Item 3 is hereby amended and supplemented by the following: From September 9, 2026 to October 2, 2026, the Reporting Person purchased 4,614,523 shares of Common Stock for aggregate consideration of approximately $158,225,595 in a series of open-market transactions pursuant to the previously disclosed 10b5-1 Trading Plan. The Reporting Person obtained the funds used to acquire its interests in the Issuer's securities through working capital. 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 126,570,779 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 445,772,522 shares of Common Stock outstanding as of July 31, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed by the Issuer on August 5, 2026. The information contained on the cover pages to the Schedule 13D is hereby incorporated by reference. In the last 60 days, the Reporting Person has acquired 4,614,523 shares of Common Stock in a series of open-market transactions pursuant to the previously disclosed 10b5-1 Trading Plan. Details by date, listing the number of shares of Common Stock acquired pursuant to the 10b5-1 Trading Plan, the weighted average price per share and the high and low prices, are provided in Annex A. The Reporting Person undertakes to provide, upon request by the staff of the SEC, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price for each transaction. None. Not applicable. Item 7 is hereby amended and supplemented by the following: Annex A Nippon Life Insurance Company /s/ Yohei Miyanaga 10/06/2026