PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

Clearstead Advisors, LLC's Holding History (CIK: 0000842775)

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

Q4 2025

Shares 51 Value ($000) $4 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 123 Value ($000) $8 Avg Close $52.09 Range $43.17 - $63.19

Q2 2025

Shares 55 Value ($000) $3 Avg Close $47.47 Range $35.95 - $52.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51	$4	$72.67	$60.80 - $87.50
Q3 2025	123	$8	$52.09	$43.17 - $63.19
Q2 2025	55	$3	$47.47	$35.95 - $52.98