I don't get the purpose of publishing this news by the news.bitcoin platform, as the title was created as they just transferred 4k BTC to Coinbase while after reading the whole news I realized that 4k BTC was moved to Coinbase 2 weeks ago. What I understand from this news is, that they just wanted to say that the prediction or analysis of Arkham was right about Grayscal's holding of BTC, as they hold more than $26 billion worth of BTC (which is insane btw).
Well, I think this is just to create some suspense among investors or early bidders so they could react abruptly.
PS: BTW Can you not share your own opinions in this news or its just how this section works, just asking for a friend hehe.