PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2025

Shares 61,879 Value ($000) $4,700 Avg Close $72.67 Range $60.80 - $87.50

Q3 2015

Shares 42,960 Value ($000) $1,147 Avg Close $42.77 Range $24.63 - $62.15

Q2 2015

Shares 43,000 Value ($000) $2,070 Avg Close $58.34 Range $46.17 - $78.72

Q1 2015

Shares 40,500 Value ($000) $2,464 Avg Close $61.01 Range $46.91 - $77.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	61,879	$4,700	$72.67	$60.80 - $87.50
Q3 2015	42,960	$1,147	$42.77	$24.63 - $62.15
Q2 2015	43,000	$2,070	$58.34	$46.17 - $78.72
Q1 2015	40,500	$2,464	$61.01	$46.91 - $77.87