SPRING BK PHARMACEUTICALS IN

CUSIP: 849431101 Class: COM

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q3 2017
Shares 249,095 Value ($000) $4,195 Avg Close — Range —
Q2 2017
Shares 250,000 Value ($000) $3,385 Avg Close — Range —