There was 3,944,732 preferred A issued and outstanding in the 10k with a 10:1 conversion ratio. If 100% of the preferred A was converted post 10k it would have converted to 39,447,320 common shares.
Therefore, only a small proportion of the 3.9 preferred A (about 500,000) have been converted. Its a good way to bring up the Market Cap as preferred doesn't count toward Market Cap leaving 3.4m Pref A.