Dec 22 (Reuters) - Tesla Inc (TSLA.O) Chief Executive Officer Elon Musk has sold $14.5 billion worth of shares since early November when the world"s richest person polled Twitter users about offloading 10% of his stake in the electric-car maker. The billionaire sold another 934,091 shares for $854 million on Tuesday to pay for taxes on the exercise of his stock options, according to U.S. securities filings. read more Here is a string of transactions he has done: DATE SHARES ACQUIRED SHARES SOLD GROSS PROCEEDS NOV. 8 2.2 mln NOV. 8 934,091 $1.10 bln NOV. 9 3.1 mln $3.35 bln NOV. 10 500,000 $527.3 mln NOV. 11 639,737 $687.3 mln NOV. 12 1.2 mln $1.24 bln NOV. 15 2.1 mln NOV. 15 934,091 $930.7 mln NOV. 16 2.1 mln NOV. 16 934,091 $973.4 mln NOV. 23 2.2 mln 934,091 $1.05 bln DEC. 2 2.1 mln 934,091 $1.01 bln Dec.9 2.2 mln 934,091 $963.2 mln Dec.13 2.1 mln 934,091 $906.5 mln Dec.16 2.2 mln 934,091 $884.1 mln Dec.21 2.09 mln 934,091 $853.7 mln Total 19.2 mln 13.8 mln $14.5 bln HOW DID MUSK SELL? Musk said on Nov. 6 he would sell 10% of his stake if Twitter users agreed. The latest transaction brings the total number of shares he has offloaded to 13.8 million - about 80% of what he had planned to sell.