PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

SEGALL BRYANT & HAMILL, LLC's Holding History (CIK: 0001006378)

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

Q4 2025

Shares 50,431 Value ($000) $3,831 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 37,462 Value ($000) $2,299 Avg Close $52.09 Range $43.17 - $63.19

Q2 2025

Shares 37,734 Value ($000) $1,843 Avg Close $47.47 Range $35.95 - $52.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50,431	$3,831	$72.67	$60.80 - $87.50
Q3 2025	37,462	$2,299	$52.09	$43.17 - $63.19
Q2 2025	37,734	$1,843	$47.47	$35.95 - $52.98