RE:SharenBuyback is through PI FinancialLsast year when the stock was severely depressed, Macro did not trigger any purchases. Money might have been tight then but the lack of any action was quite frankly astonishing.
To access previous trades this link is helpful,
https://money.tmx.com/en/quote/MCR/trade-history
The Toronto stock Market is wonderful in this regard. Go to the above link and you will get recent history. Click on the download at top left and they provide you with a very nice zip file for recent transactions.
BMO Investorline has been the largest buyer with about 85,000 purchases recently.
P.I. has about 27,600
To paraphrase,
Any news is good news, "So I took what I could get" And she said"You ain't seen nothin yet"
B&D