The exercise date and the market value of the shares on the exercise date affect how the gain is taxed.
Assuming these are incentive based options the exercise date only starts the holding period. There are no taxes due until they are sold and his cost is the option price.
The 243K shares he bought expire in June and he bought 7k shares out of the 14K shares that expire in July.
Or Yat Sun had the same deal (50%) as Luly and made the same transaction.
Being that neither of the guys exercised the 10's of thousands of other options available, the clock isn't running.