Key Takeaways Cassava Sciences and two former executives agreed to pay more than $40 million in a settlement with the SEC.The SEC said that Cassava made misleading statements about a clinical trial of its Alzheimer’s disease drug.

Shares of Cassava Sciences Inc. dropped more than 10% in the extended session Thursday after announcing a settlement with U.S. securities regulators, who had charged the pharma company and two former executives for “misleading claims” about an Alzheimer’s clinical trial.

Shares of Cassava Sciences fell 10% in post-market trading on Thursday after the U.S. Securities and Exchange Commission charged the biopharmaceutical company and two former executives for misleading claims about the results of Alzheimer's clinical trials.