Property-casualty insurance provider Liberty Mutual Agency Corp. filed papers with the U.S. Securities and Exchange Commission to raise $1.22 billion by selling shares through an initial public offering.

LPL Investment Holdings is buying National Retirement Partners, one of the nation’s largest networks of independent retirement-focused advisory firms.

Philadelphia-based Lincoln National Corp. plans to buy back $950 million worth of preferred stock to pay back the U.S. Treasury for money it received from the government last year.

The parent company of one of the largest brokerage companies in the U.S. filed for an initial public stock offering worth up to $600 million.

Liberty Mutual Agency Corp., a property-casualty insurance provider, filed paperwork May 10 to go public with a $100 million initial public offering.

American International Group has completed a pair of transactions to reduce its debt with the Federal Reserve Bank of New York by $25 billion.

Citigroup Inc. hopes to raise $100 million through an initial public offering of its life insurance and investment vehicle, Primerica, Inc.

ING will separate its banking and insurance operations, with plans to sell the latter part of its company in the next four years.

Symetra Financial Corp. has filed with the U.S. Securities and Exchange Commission for an initial public offering.