(Bloomberg) -- Coinbase Inc. Chairman and Chief Executive Officer Brian Armstrong, board member Marc Andreessen and other officers avoided more than $1 billion in losses by using inside information to sell stock within days of the cryptocurrency platform’s public listing two years ago, before bad news sent the share price tumbling, according to a lawsuit filed by an investor.Most Read from BloombergJPMorgan Ends First Republic’s Turmoil After FDIC SeizureNigeria Targeted a UK Mansion; Its Next L