In the OTC, after hours Form T trades are almost without exception "late prints". They are the result of accumulated buys or sells handled on a "not held" basis through block desks. They have nothing to do with short selling in particular, but with buying and selling in general.
If it is at the lower end of the day's price range, and the stock had been under pressure that day, it was probably from a seller. By the same token, if it was printed at the higher end of the range and the stock had been strong that day, it was likely to have been from a buyer. This rule is not absolute, however.
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