RE:time to actually buy stock backThey can`t start buying till Tuesday May 21
The NCIB allows Whitecap to purchase up to 20,657,914 common shares (representing 5% of its 413,158,293 outstanding common shares as of May 7, 2019) over a period of twelve months commencing on May 21, 2019.
Read more at https://stockhouse.com/news/press-releases/2019/05/16/whitecap-resources-inc-receives-tsx-approval-for-renewed-normal-course-issuer#dbxGiu5zWjXsLxmf.99