Adam Goldenberg’s articles from McCarthy Tétrault LLP are most popular: with Inhouse Counsel in Canada with readers working within the Oil & Gas industries When must a public company immediately disclose developments in its business, operations, or capital? In Lundin Mining Corp. v. Markowich, the Supreme Court of Canada clarified what constitutes a “material change” under Ontario’s Securities Act and when issuers are required to disclose such changes to the market.