CryoPort Inc (CYRX)

[coldasice]

Short answer, No. Reverse splits increase the share price, and reduce the shareholders shares. The value of your holding is the same at the moment of the split

Dilution is where a company adds shares to the total shares outstanding. This comes in a few different forms. Equity, preferred or employee options.
Depending on restrictions, or expiration of employee options and shareholder warrants, not all shares outstanding will be added to the float.