RITTER PHARMACEUTICALS INC

CUSIP: 767836109 Class: COM

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

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

Q4 2017
Shares 2,800,000 Value ($000) $922 Avg Close — Range —
Q3 2017
Shares 2,800,000 Value ($000) $980 Avg Close — Range —
Q2 2017
Shares 400,000 Value ($000) $220 Avg Close — Range —
Q1 2017
Shares 400,000 Value ($000) $568 Avg Close — Range —
Q4 2016
Shares 400,000 Value ($000) $1,084 Avg Close — Range —
Q3 2016
Shares 400,000 Value ($000) $672 Avg Close — Range —
Q2 2016
Shares 400,000 Value ($000) $612 Avg Close — Range —
Q1 2016
Shares 400,000 Value ($000) $452 Avg Close — Range —
Q4 2015
Shares 400,000 Value ($000) $680 Avg Close — Range —
Q3 2015
Shares 400,000 Value ($000) $820 Avg Close — Range —
Q2 2015
Shares 400,000 Value ($000) $1,780 Avg Close — Range —