英语语法分析

In the period between when he was the sole owner, and when I joined, he had done a couple of different financings with different people, 50% and had diluted his equity ownership to 50%.

在他作为唯一拥有人和我加入公司之间，的这段时间，他也向其他人,筹措了了一些资金，他的股票减持到了。