That was about 8% of his holding. Bahram Akradi, the founder and CEO of Life Time Group Holdings Inc. (NYSE:LTH), sold 31% of his shares in late February, for proceeds of about $150 million.

Of the 35 life insurance companies in the country, 10 are operating without permanent chief executive officers (CEOs) and are being run by acting executives, stakeholders said, raising concerns about ...