Non voting common stocks and that would come from your stock option pool if you have one. You should consult with your legal counsel.
If you are looking for better-prices lawyers, you can check out a smaller firm called Rimon Law. They are now more than 100 lawyers in 9 countries so they have the bandwidth to help companies from startup to public offering or acquisition.
If you are going to use WSGR templates, double check to make sure you didn't already have an options plan drafted and signed in with board consents. They also defer first $25k of costs (although now payable by Nov 2020).
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