MANNKIND CORP

CUSIP: 56400P201 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016
Shares 1,144,521 Value ($000) $729 Avg Close — Range —
Q3 2016
Shares 1,718,705 Value ($000) $1,066 Avg Close — Range —
Q2 2016
Shares 112,547 Value ($000) $131 Avg Close — Range —
Q4 2015
Shares 526,553 Value ($000) $764 Avg Close — Range —