WINDERMERE, Fla. (Stockpickr) -- For the first week of 2011, insider selling at S&P 500 companies outpaced insider buying by a ratio 114 to 1, after closing out 2010 in the previous week with ratio of selling to buying of 19 to 1.According to a weekly report out of Bloomberg, the total amount of insider selling for the period of Jan. 3 to Jan. 7 was $289.4 million, and the total amount of insider buying was $2.5 million. I don't want to sound like a broken record, but once again, key corporate executives at the top companies in the world are selling far more stock than they're buying. This is a trend that has been in place for months and hasn't shown one sign of changing course. As much as I want to sound the alarm about the persistent insider selling at S&P 500 companies, it doesn't make much sense to at this time since the market continues to power higher. The market, for now, doesn't care that insiders are far more interested in selling their own stock than buying it. Related: 7 Stocks With Recent Analyst Upgrades The trend in the equity markets is still clearly up. Not even this entire insider selling spree has changed that to this point. It's possible that the market could just continue to trend higher for a very long time before anyone cares about the large amounts of insider selling we have been experiencing since early last year. Corporate insiders are most likely just taking advantage of a healthy uptrending market to lock in some profits. One of the few companies at which insiders were actually buying stock is producer of titanium melted and mill products Titanium Metals ( TIE). The chairman of the board, Harold C. Simmons, purchased 147,800 shares, or $2.5 million worth of stock, at an average share price of $16.80. Shares of Titanium have now started to move back above the 50-day moving average of $17.68 and the 200-day moving average o$18.41, with the stock currently trading around $19.12. All I can say about the continued buying by Simmons is that it is very bullish. Since November of last year, Simmons has bought well over $40 million worth of stock in TIE. Nobody would continue to buy that much stock if he didn't think their shares were undervalued and had a lot of upside. Titanium Metals is considered a solid play on rare earth metals since the stock makes up around 5.5% of the Market Vectors Rare Earth Metals ETF ( REMX). That could be one of the big reasons that Simmons is buying so much stock. He might believe that the bull market in rare earth metals is just in its infancy.
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