KLEIN MATTHEW B.

PrivateCIK: 1808968
Location

SOUTH PLAINFIELD, NJ

KLEIN MATTHEW B. (Chief Development Officer) sold 3.1% of their position (12.57K shares) of PTC THERAPEUTICS, INC. on the open market

Open‑market sale worth $917.2K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderKLEIN MATTHEW B.CIK 1808968
IssuerPTC THERAPEUTICS, INC.CIK 1070081
Officer· Chief Development Officer
Since Apr 2020
-72.00
Net shares
Net seller
$917.2K
Total sold
4
Open market trades
0B · 4S
5
Total transactions
12.50K acquired · 12.57K disposed
Non-Derivative Transactions5

Common Stock

Direct
A · Award

Shares

+12.50K

Price / share

Trade value

% of position

3.2%
5/13/2026
394.07K406.57K

Common Stock

Direct
S · Sale

Shares

679.00

Price / share

$73.06

Trade value

$49.61K

% of position

0.2%
5/14/2026
406.57K405.89K

Common Stock

Direct
S · Sale

Shares

7.22K

Price / share

$73.08

Trade value

$527.71K

% of position

1.8%
5/14/2026
405.89K398.67K

Common Stock

Direct
S · Sale

Shares

2.10K

Price / share

$73.08

Trade value

$153.47K

% of position

0.5%
5/14/2026
398.67K396.57K

Common Stock

Direct
S · Sale

Shares

2.57K

Price / share

$72.46

Trade value

$186.37K

% of position

0.6%
5/14/2026
396.57K394K
Total

Net shares

72.00

Net value

-$917.15K

Derivative Transactions0
No derivative transactions reported
KLEIN MATTHEW B. — Insider Transaction (Form 4) Filed May 15, 2026 | Finecho