Kobayashi was responsible for selling vast tranches of Bitcoin reserves beginning Q4 last year to reimburse Mt. Gox users who lost money in the exchanges mass hack in late 2013.
this is the only part of this all that matters! the START of the sale was last year DURING THE RISE. and people keep on focusing on the drop part. they literary started selling when price was $4000+ and while they were selling price kept on going up and reached $10k then $20k and all that time they were selling a lot of coins!
here is how it looks like:
