PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q1 2025

Shares 17,857 Value ($000) $910 Avg Close $49.90 Range $41.66 - $58.38

Q1 2020

Shares 596 Value ($000) $27 Avg Close $50.35 Range $30.79 - $59.89

Q4 2019

Shares 7,196 Value ($000) $346 Avg Close $42.49 Range $31.49 - $50.96

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	17,857	$910	$49.90	$41.66 - $58.38
Q1 2020	596	$27	$50.35	$30.79 - $59.89
Q4 2019	7,196	$346	$42.49	$31.49 - $50.96