EDITAS MEDICINE INC

Ticker: EDIT CUSIP: 28106W103 Class: Stock

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

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

Q3 2019
Shares 415,000 Value ($000) $9,437,100 Avg Close $24.77 Range $22.20 - $27.00
Q2 2019
Shares 480,000 Value ($000) $11,875,200 Avg Close $23.87 Range $20.21 - $28.08
Q1 2019
Shares 480,000 Value ($000) $11,736 Avg Close $22.63 Range $19.00 - $28.15
Q4 2018
Shares 480,000 Value ($000) $10,920 Avg Close $27.21 Range $17.80 - $32.46
Q3 2018
Shares 460,000 Value ($000) $14,637 Avg Close $32.31 Range $26.00 - $38.77
Q2 2018
Shares 178,333 Value ($000) $6,390 Avg Close $35.41 Range $31.12 - $41.43
Q1 2018
Shares 133,333 Value ($000) $4,420 Avg Close $35.63 Range $27.00 - $45.02
Q4 2017
Shares 133,333 Value ($000) $4,097 Avg Close $25.18 Range $20.29 - $32.85
Q3 2017
Shares 133,333 Value ($000) $3,201 Avg Close $19.03 Range $15.28 - $24.50
Q2 2017
Shares 133,333 Value ($000) $2,237 Avg Close $18.02 Range $13.12 - $22.74
Q1 2017
Shares 133,333 Value ($000) $2,976 Avg Close $20.72 Range $16.30 - $29.20
Q4 2016
Shares 65,000 Value ($000) $1,055 Avg Close $15.18 Range $12.43 - $18.94
Q3 2016
Shares 85,470 Value ($000) $1,152 Avg Close $20.49 Range $13.10 - $28.63
Q1 2016
Shares 85,470 Value ($000) $2,952 Avg Close $26.29 Range $12.57 - $43.99