PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q1 2023

Shares 34,047 Value ($000) $1,649 Avg Close $45.71 Range $37.25 - $50.20

Q4 2018

Shares 113,000 Value ($000) $3,878 Avg Close $35.96 Range $28.91 - $48.99

Q3 2018

Shares 244,000 Value ($000) $11,468 Avg Close $41.38 Range $32.13 - $48.85

Q2 2018

Shares 68,200 Value ($000) $2,300 Avg Close $31.18 Range $24.60 - $52.95

Q1 2018

Shares 68,200 Value ($000) $1,845 Avg Close $25.34 Range $16.38 - $33.22

Q4 2017

Shares 68,200 Value ($000) $1,138 Avg Close $16.93 Range $14.87 - $21.58

Q3 2017

Shares 68,200 Value ($000) $1,365 Avg Close $19.54 Range $14.56 - $22.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	34,047	$1,649	$45.71	$37.25 - $50.20
Q4 2018	113,000	$3,878	$35.96	$28.91 - $48.99
Q3 2018	244,000	$11,468	$41.38	$32.13 - $48.85
Q2 2018	68,200	$2,300	$31.18	$24.60 - $52.95
Q1 2018	68,200	$1,845	$25.34	$16.38 - $33.22
Q4 2017	68,200	$1,138	$16.93	$14.87 - $21.58
Q3 2017	68,200	$1,365	$19.54	$14.56 - $22.00