OP I think you or the person who has lost the funds should be more careful, although this claim of yours needs a little proof so please show that also to confirm whether you are saying true or not, and how did you lose the funds I mean did someone stole the keys, or you forget the keys and don't have any access to your funds now?
And is it was 4 to 5 million dollars worth of BTC! as your statement indicates as they are 4 to 5 million BTC which got lost not the 4 to 5 million dollars worth of BTC. I just searched on Google and it says that now a total of 3.7 million BTC have been lost out of 19.6 million circulating supply (Article is 2+ months old-->
SourceLost coins only make everyone else's coins worth slightly more. Think of it as a donation to everyone.
That's why I love Satoshi hehe, He has swag.