PTCT tangible book value per share history

Annual fiscal periods. Dates are reporting period ends; fiscal years can differ from calendar years.

Ptc Therapeutics Inc Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Dec 31, 2025	-8.5046
Dec 31, 2024	-16.9068
Dec 31, 2023	-17.1088
Dec 31, 2022	-15.828
Dec 31, 2021	-11.4344
Dec 31, 2020	-4.7811
Dec 31, 2019	-3.3724
Dec 31, 2018	-9.2889
Dec 31, 2017	0.5995
Dec 31, 2016	3.5125
Dec 31, 2015	8.878
Dec 31, 2014	9.4555
Dec 31, 2013	10.6468
Dec 31, 2012	-1.3529
Dec 31, 2011	-16.8172