RE:Tdameritrade had no clueI had the same problem with TD. If it wasn't for the red 'H' symbol on BLX.DB on SH on Friday I would have been clueless.
I tracked the info through Bloomberg and called my TD broker. I had to tell them what was going on and managed to convert just minutes before the cutoff!
My guess is that, with the Normal Course Issuers buyback bid, the company didn't want us converting.