Generally speaking no companies publicly disclose when they apply for an up-listing, regardless of exchange. They are not required to disclose such and the exchanges themselves are said to frown upon any company who uses mention of their exchange names absent having already been excepted.
Marathon is the literal poster child of how to go about the process, quietly and methodically.
While they made it clear listing on the Nasdaq was a goal they were working towards, that's the only mention of it we heard of it. I'd suggest that's precisely how a competent and responsible management team would go about the process.
I've never seen you post here and have no idea whether you own shares in the company. If not, you should consider it, you'll rarely if ever find a small public company with both an outstanding CEO and management team and such a highly scalable business plan with tremendous earnings leverage.
News 
Market Data 
Discover 
AI
