We wouldn't blame $MEITUAN-W(03690)$ shareholders if they were a little worried about the fact that Rongjun Mu, the Co-Founder recently netted about HK$33m selling shares at an average price of HK$196. That sale reduced their total holding by 17% which is hardly insignificant, but far from the worst we've seen.The Last 12 Months Of Insider Transactions At MeituanIn the last twelve months, the biggest single sale by an insider was when the insider, Nanpeng Shen, sold HK$768m worth of shares at a price of HK$287 per share. We generally don't like to see insider selling, but the lower the sale price, the more it concerns us. The silver lining is that this sell-down took place above the latest price (HK$198). So it is hard to draw any strong conclu