PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

MPM BioImpact LLC's Holding History (CIK: 0001687078)

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

Q4 2025

Shares 430,013 Value ($000) $32,664 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 438,477 Value ($000) $26,909 Avg Close $52.09 Range $43.17 - $63.19

Q2 2025

Shares 438,477 Value ($000) $21,415 Avg Close $47.47 Range $35.95 - $52.98

Q1 2025

Shares 439,977 Value ($000) $22,421 Avg Close $49.90 Range $41.66 - $58.38

Q4 2024

Shares 434,767 Value ($000) $19,625 Avg Close $42.80 Range $34.57 - $54.16

Q3 2024

Shares 89,715 Value ($000) $3,328 Avg Close $33.48 Range $29.02 - $38.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	430,013	$32,664	$72.67	$60.80 - $87.50
Q3 2025	438,477	$26,909	$52.09	$43.17 - $63.19
Q2 2025	438,477	$21,415	$47.47	$35.95 - $52.98
Q1 2025	439,977	$22,421	$49.90	$41.66 - $58.38
Q4 2024	434,767	$19,625	$42.80	$34.57 - $54.16
Q3 2024	89,715	$3,328	$33.48	$29.02 - $38.62