It is possible to get up to six different Forms 8949, depending on the reporting code on your 1099-B.  (It could be A, B, C, D, E, or F.)  The most common codes are:

• Code B - Short-term transaction for which the cost or other basis is not being reported to the IRS.
• Code E - Long-term transaction for which the cost or other basis is not being reported to the IRS.