ONCONOVA THERAPEUTICS INC

CUSIP: 68232V405 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q4 2018
Shares 423,441 Value ($000) $893 Avg Close — Range —
Q3 2018
Shares 500,000 Value ($000) $3,670 Avg Close — Range —