That is true for call and put options but employee stock options are not the same thing. A call or put option as you stated is for 100 shares per option contrac

That is true for call and put options but employee stock options are not the same thing. A call or put option as you stated is for 100 shares per option contract. An employee stock option is the right to buy N number of shares at a strike price, not in blocks of 100 per contract.