http://www.tmx.com/en/listings/products_services/ir_data_solution/enhanced_broker_summary.html

This is how they could hide it. Those with this service know if they really sold anything. It's a good way for companies to hide their trading records from the public.

Who cares if they sold. It's more important to track who is buying now, following the JV agreement. Such as insiders or market makers.

On a side note, Teck is back to their SP exactly 1 year ago. All the majors are rebounding and copper is looking solid after the China news. Keep an eye on Mid-tiers going into q4. If they rebound, then cashed up Juniors with a Major paying for their biggest asset fully will look very good, very quickly.