Taking these off the table instead of waiting until April for the last .05 or .10. Bought to close:
$DUST Apr 21 53 calls @ .10. Sold for 1.20 on 2/27.
$DUST Apr 21 55 calls @ .05. Sold for 2.03 on 3/3.
$DUST Apr 28 60 calls @ .10. Sold for 1.00 on 3/14.