All means they would be required to change the terms of the note. Any means they may change the terms under any or all of the 9 notes they hold. Their choice.
If it had been only $100k total, the wording in the agreement and the 10-K/10-Q would be very different. And yes, many other posters do agree with me - they know how to read an SEC filing, which is probably why they didn't buy this stock.