Again, not true. In fact if that were true then EVERY t trade on the OTC would be diluted transaction instead of just late prints or MMS waiting to disclose their trades for the day. Form T was initially put in place to protect pps from large and sudden trades by MM. It was their whole purpose for creating it.
That statement is absolutely not true. Sometimes they are dilution, but not always. Often they are settlements between MMs or an end of day settlement of MM books. Google the terms.
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