Cronos Group Inc. /zigman2/quotes/206842762/composite CRON -1.93% /zigman2/quotes/202715342/delayed CA:CRON -2.48% said late Tuesday that it would have to re-state three quarters of financial statements for 2019 because the company has been conducting an internal review of its bulk resin purchases and wholesale revenues. Shares of Cronos fell 4.8% in the extended session Tuesday. Cronos said in a statement that it was eliminating several wholesale transactions that would reduce its revenue by C$2.1 million for the March, 2019 quarter and C$5.1 million for the September quarter. The company said its previously issued financial statement should not be relied on and the company's Form 10-K will likely report one "or more" weaknesses in its internal controls related to financial reporting. The company aims to file its fiscal 2019 financial statements by March 30 but cautioned that the COVID-19 pandemic could impact the deadline. Cronos previously disclosed that it had engaged external legal counsel, forensic accountants and put together an internal audit committee to look into revenue recognition issues. Cronos stock has fallen 70% in the past year, as the S&P 500 index /zigman2/quotes/210599714/realtime SPX +0.88% slid 23%.