Holders of RSUs generally can't become shareholders until the company goes public; options holders have more flexible exercise rights.

持有限制股的人在公司上市前不能变成股东；而持有期权的人则有更灵活的行使权。

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They fall into two categories: restricted stock and restricted stock units, or RSUs, which can be exchanged for ordinary shares as they vest, and equity options.

它们可分为两类：受限制股份、受限股票单位(rsu，授予后可以转换为普通股，以下与受限制股份统称为受限股)，以及期权。

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RSUs are more compensation ladled out to executives at the end of the year.

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There are some other RSUs that will vest based on certain financial metrics but they are not meaningful.

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On November 14, the lock-up expires on 749 million shares, and 28 million more tied to pre-2011 RSUs.

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