I guess they needed the money,
or, the sell was an attempt to rattle people into selling.
More likely, yet another one of these death spiral convertibles being dumped on the market.
According to their filings, the death spiral convertible owners get a conversion price of 60% of the market price when they are converted. In other words: SUGO management is cheerfully giving sweetheart deals to anyone who will give them more money, and the current stuckholders who are seeing their stock price diluted by convertible holders who get a beneficial rate, are the ones who pay the price.