The executive has been with Generali Investments since 2012 and most recently oversaw portfolio construction, asset allocation and holding investments.
NFRA has set out requirements across four key pillars, while stressing firms must pursue high-quality development and compete in an orderly way to prevent market chaos.
The state-owned insurer raised its holding through market purchases, crossing the regulatory threshold that requires disclosure of significant shareholding.
The development comes as Japanese life insurers are looking to lift portfolio yields after years of balance-sheet rebalancing ahead of new capital rules.