I googled: "Notice of the meeting and record date (amended)" and the word buyout. Here's what I found:
Hartco came up as having this SEDAR filing:
http://www.investorx.ca/PDF/1506231308364503/(hartco-inc)(notice-of-the-meeting-and-record-date-amended-english)(06-23-2015)?Mobile=False
That was filed in June of 2015....
Interoil was another....still searching.