Corebridge (CRBG) 10% Owner Nippon Life Buys 171,144 Shares

What Happened
Nippon Life Insurance Co., a greater-than-10% shareholder of Corebridge Financial, purchased 171,144 shares of Corebridge (CRBG) in an open-market/private purchase on September 11, 2026. The weighted-average price was $34.61 per share, for a total reported cost of $5,923,208. This was a purchase (insider buying), which some investors view as a bullish signal.

Key Details

• Transaction date: 2026-09-11; filing date (Form 4): 2026-09-15. The filing does not indicate a late filing.
• Price: weighted average $34.61; shares were bought in multiple trades at prices ranging from $34.15 to $34.99 (per footnote).
• Total shares purchased: 171,144; total value: $5,923,208.
• Reported holdings (per footnote): includes 122,440,166 shares held of record by Nippon Life and 33,271 shares held of record by Nissay Asset Management (a wholly owned subsidiary) which Nippon Life may be deemed to beneficially own. The purchase adds 171,144 shares to those reported holdings.
• Plan/authorization: Purchases were made under a Rule 10b5-1 trading plan adopted August 7, 2026 (per footnote).
• Additional note: The filing offers to provide a breakdown of the number of shares purchased at each separate price within the $34.15–$34.99 range upon request (per footnote).

Context

• This is institutional insider activity by a >10% owner, not an executive or director trade. Institutional purchases can indicate reallocation or confidence but do not by themselves explain motive.
• The transaction was executed under a pre-established 10b5-1 plan, meaning trades were scheduled under a written plan adopted before the transaction dates.