Nippon Life Insurance Co filed a Form 4 with the SEC on September 15, 2026, disclosing a purchase of 171,144 shares of Corebridge Financial, Inc. (NYSE:CRBG) common stock on September 11, 2026, under a Rule 10b5-1 plan.

Key Highlights

  • Shares purchased: Nippon Life Insurance Co acquired 171,144 shares of Corebridge Financial common stock on September 11, 2026.
  • Weighted average price: The reported purchase price was $34.6095 per share, a weighted average across multiple transactions ranging from $34.15 to $34.99, inclusive.
  • Post-transaction ownership: Following the purchase, Nippon Life beneficially owns 122,473,437 shares of common stock, held directly.
  • 10b5-1 plan: The purchases were made pursuant to a Rule 10b5-1 plan adopted by Nippon Life on August 7, 2026.
  • Reporting person's role: Nippon Life Insurance Co is identified as a 10% owner of Corebridge Financial, Inc.
  • Subsidiary shares included: The beneficial ownership total includes 33,271 shares held of record by Nissay Asset Management Corporation, a direct wholly owned subsidiary of Nippon Life, which Nippon Life may be deemed to beneficially own.

Nippon Life's Rule 10b5-1 Purchase of Corebridge Financial Common Stock

According to the Form 4 filing, Nippon Life Insurance Co, a 10% owner of Corebridge Financial, Inc. (NYSE:CRBG), reported the acquisition of 171,144 shares of the company's common stock on September 11, 2026. The filing states that these purchases were effected pursuant to a Rule 10b5-1 plan that Nippon Life adopted on August 7, 2026. The transaction code recorded is "P," indicating an open-market purchase.

The filing discloses that the price of $34.6095 is a weighted average, with the actual transactions occurring at prices ranging from $34.15 to $34.99, inclusive. Nippon Life indicated it will provide full details on the number of shares purchased at each separate price within that range to the issuer, any security holder, or SEC staff upon request.

Following the reported transaction, the filing states that Nippon Life beneficially owns 122,473,437 shares directly. That total, according to the filing, includes 122,440,166 shares held of record by Nippon Life itself and 33,271 shares held of record by Nissay Asset Management Corporation, described as a direct wholly owned subsidiary of Nippon Life, which Nippon Life "may be deemed to beneficially own." No derivative securities were reported. The Form 4 was signed by Yohei Miyanaga, General Manager, on September 15, 2026.

What Was Disclosed

Nippon Life Insurance Co disclosed the purchase of 171,144 shares of Corebridge Financial common stock on September 11, 2026, at a weighted average price of $34.6095 per share under a Rule 10b5-1 plan, bringing its total beneficial ownership to 122,473,437 shares.