SERES THERAPEUTICS INC

CUSIP: 81750R102 Class: Common Stock

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

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

Q2 2017
Shares 125,000 Value ($000) $1,413 Avg Close — Range —
Q1 2017
Shares 125,000 Value ($000) $1,409 Avg Close — Range —
Q4 2016
Shares 125,000 Value ($000) $1,238 Avg Close — Range —
Q3 2016
Shares 125,000 Value ($000) $1,536 Avg Close — Range —
Q2 2016
Shares 125,000 Value ($000) $3,631 Avg Close — Range —
Q1 2016
Shares 125,000 Value ($000) $3,320 Avg Close — Range —
Q4 2015
Shares 125,000 Value ($000) $4,386 Avg Close — Range —
Q3 2015
Shares 125,000 Value ($000) $3,705 Avg Close — Range —
Q2 2015
Shares 125,000 Value ($000) $5,188 Avg Close — Range —