in the case
of our directors, officers, and security holders, (i) the receipt by the locked - up party from us
of shares
of Class A common stock or Class B common stock upon (A) the
exercise or settlement
of stock options or RSUs granted under a stock incentive plan or other equity award plan described in this prospectus or (B) the
exercise of warrants outstanding and which are described in this prospectus, or (ii) the transfer
of shares
of Class A common stock, Class B common stock, or any securities convertible into Class A common stock or Class B common stock upon a vesting or settlement
event of our securities or upon the
exercise of options or warrants to purchase our securities on a «cashless» or «net
exercise» basis to the extent permitted by the instruments representing such options or warrants (and any transfer to us necessary to generate such amount
of cash needed for the payment
of taxes, including estimated taxes, due as a result
of such vesting or
exercise whether by means
of a «net settlement» or otherwise) so long as such «cashless
exercise» or «net
exercise» is
effected solely by the surrender
of outstanding stock options or warrants (or the Class A common stock or Class B common stock issuable upon the
exercise thereof) to us and our cancellation
of all or a portion thereof to pay the
exercise price or withholding tax and remittance obligations, provided that in the case
of (i), the shares received upon such
exercise or settlement are subject to the restrictions set forth above, and provided further that in the case
of (ii), any filings under Section 16 (a)
of the Exchange Act, or any other public filing or disclosure
of such transfer by or on behalf
of the locked - up party, shall clearly indicate in the footnotes thereto that such transfer
of shares or securities was solely to us pursuant to the circumstances described in this bullet point;
We applied generalised linear mixed models via PROC GLIMMIX to estimate the
effects of different transitional patterns
of exercise on depressive symptoms with HLDS as the
event, after adjusting for the previous CESD score, age, gender, level
of education, marital status, smoking, physical function, emotional support, social participation, self - rated health, economic satisfaction, employment and 10 chronic conditions.