Let me guess either VNDM and VFIN on the Ask? As to your guesses, yes to all of them. Here is how it works, these were the following trades made during market hours sold by the Broker to retail for the Diluting entity:
Total Shares Dollar Volume Averaged Price 1.5% Fee Net Trade Price 434000 5459.1 0.012579 0.000189 0.01239
So as you can see these trades were during trading hours to retail, the broker then buys all of the shares from the seller in one single purchase minus the 1.5% Block Position fee and posts after close to report the "Net Trade". These weighted average trade transactions are quite common and are the sign of dilution. Some other common MMs to dilute through are BKRT and LAFC, used to see VERT a lot but they seem to be really limited these days.
If you want to read up on them here is a link to FINRA describing both net trades and weighted transactions:
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