Moderna CFO David Meline to retire, to be succeed by PerkinElmer''s James Mock Moderna Inc. said Wednesday that Chief Financial Officer David Meline will retire, effective Sept. 6. Moderna shares fell 0.6% in premarket trading. The biotechnology company, which has one of the approved COVID-19 vaccines, said it has appointed James Mock as CFO, also starting Sept. 6. Mock was most recently CFO of PerkinElmer Inc. for the past four years, after spending nearly 20 years in various financial oversight roles at General Electric Co. in the U.S. and abroad. "Jamey''s experience in scaling global businesses will ensure we continue to be well positioned for the future," said Chief Executive Stéphane Bancel. Moderna''s stock has dropped 33.9% year to date through Tuesday, while the iShares Biotechnology ETF has lost 12.9% and the SP 500 has declined 9.7%. Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.