EDITAS MEDICINE INC

Ticker: EDIT CUSIP: 28106W103 Class: Stock

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q3 2018

Shares 625 Value ($000) $20 Avg Close $32.31 Range $26.00 - $38.77

Q2 2018

Shares 2,000 Value ($000) $72 Avg Close $35.41 Range $31.12 - $41.43

Q1 2018

Shares 1,375 Value ($000) $46 Avg Close $35.63 Range $27.00 - $45.02

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	625	$20	$32.31	$26.00 - $38.77
Q2 2018	2,000	$72	$35.41	$31.12 - $41.43
Q1 2018	1,375	$46	$35.63	$27.00 - $45.02