MARINUS PHARMACEUTICALS INC

CUSIP: 56854Q101 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2018
Shares 907,732 Value ($000) $9,077 Avg Close — Range —
Q2 2018
Shares 907,732 Value ($000) $6,417 Avg Close — Range —
Q1 2018
Shares 907,732 Value ($000) $3,467 Avg Close — Range —
Q4 2017
Shares 907,732 Value ($000) $7,407 Avg Close — Range —
Q3 2017
Shares 1,452,700 Value ($000) $8,527 Avg Close — Range —