MARINUS PHARMACEUTICALS INC

CUSIP: 56854Q101 Class: COM

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q4 2015
Shares 200,000 Value ($000) $1,528 Avg Close — Range —
Q3 2015
Shares 200,000 Value ($000) $1,668 Avg Close — Range —
Q2 2015
Shares 200,000 Value ($000) $2,320 Avg Close — Range —
Q1 2015
Shares 200,000 Value ($000) $1,798 Avg Close — Range —
Q4 2014
Shares 204,476 Value ($000) $2,161 Avg Close — Range —
Q3 2014
Shares 204,476 Value ($000) $1,323 Avg Close — Range —