The Toronto Stock Exchange reports that Aeterna Zentaris Inc. has rolled back its shares on a one-new-for-25-old basis, effective at the open on July 21, 2022. According to the TSX, the shares will continue trading under the symbol AEZS. The new Cusip number is 007975 50 1.

The TSX notes that the shares will be posted for trading on a postconsolidated basis on the Nasdaq Capital Market at the open on July 21, 2022.