NEON THERAPEUTICS INC

CUSIP: 64050Y100 Class: COMMON STOCK

Casdin Capital, LLC's Holding History (CIK: 0001534261)

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

Q4 2018
Shares 263,344 Value ($000) $1,325 Avg Close — Range —
Q3 2018
Shares 338,345 Value ($000) $2,889 Avg Close — Range —
Q2 2018
Shares 338,345 Value ($000) $4,263 Avg Close — Range —