Cant remember who posted but thanks for the trade validation link:
The trade code for that 2,025,000 sell the day before suspension is: 204DI3CZ05 if anybody is a good detective.
The reason you may not be able to find trade history is that there are two very similar listings for langbar, the ISIN number against which all trades are listed is: BMG5376G1024
you can find all trades under that code, also Langbar SEDOL is 3375567, the second row ISIN is us