CNET NEWS - Mar 24 - Sheryl Sandberg punctuates the value of leaning in by selling a small portion of her stake in Facebook. The Facebook COO, whose new book "Lean In" aims to inspire women to work to the top of their industries, has made ~$44.3M in the first three months of 2013 from a number of Facebook stock sales, including a few transactions earlier this week, as documented in filings with the Securities and Exchange Commission. Sandberg has sold 1.57M shares for the $44.3 million gain. In her most recent trades this week, Sandberg sold 176,452 shares at prices ranging from $25.80 to $26.67. The transactions are valued at ~$4.6M.