Large share order closes at EOD normally are M&Ms settling out share swap "wash trades" during the day. Usually to assist day traders and increase daily volume fees.
Normally, weather "T" trades or not. As long as they happen EOD. It's probably settling out differences in arbitrage, so no M&M gets cheated and non get profits, for just helping day traders and keeping retail interest level up, during a stall period. While waiting for new big guy continuation action.
Should add, 2 weeks is a little on the long side, for big guys to do something on the OTC, once they started something. They may not have all this planned out very well or are waiting for VCs to OK and create next action.
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