Interested to see what will happen with this!
Like many people here

Did you check already alpha version of Signals marketplace?
All the unsold SGN tokens will be distributed to the token sale participants (pre-sale, private sale, and public sale). This means that all the token sale participants will receive more tokens in the proportion of their purchase.
Yes, just to confirm, here is a blogpost to that exact information:
https://blog.signals.network/how-to-benefit-from-the-redistribution-of-unsold-sgn-tokens-c98d330a69a0