BOULDING MARK ELLIOTT

PrivateCIK: 1578852
Location

SOUTH PLAINFIELD, NJ

BOULDING MARK ELLIOTT (Exec. VP and CLO) sold 3.3% of their position (3.54K shares) of PTC THERAPEUTICS, INC. on the open market

Open‑market sale worth $279.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderBOULDING MARK ELLIOTTCIK 1578852
IssuerPTC THERAPEUTICS, INC.CIK 1070081
Officer· Exec. VP and CLO
Since Jan 2019
-3.54K
Net shares
Net seller
$279.6K
Total sold
4
Open market trades
0B · 4S
8
Total transactions
3.54K acquired · 7.08K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+2.74K

Price / share

$46.54

Trade value

$127.52K

% of position

2.6%
5/8/2026
105.21K107.95K

Common Stock

Direct
S · Sale

Shares

840.00

Price / share

$78.23

Trade value

$65.71K

% of position

0.8%
5/8/2026
107.95K107.11K

Common Stock

Direct
S · Sale

Shares

1.90K

Price / share

$79.31

Trade value

$150.69K

% of position

1.8%
5/8/2026
107.11K105.21K

Common Stock

Direct
M · Option Exercise

Shares

+800.00

Price / share

$46.54

Trade value

$37.23K

% of position

0.8%
5/8/2026
105.21K106.01K

Common Stock

Direct
S · Sale

Shares

200.00

Price / share

$78.00

Trade value

$15.60K

% of position

0.2%
5/8/2026
106.01K105.81K

Common Stock

Direct
S · Sale

Shares

600.00

Price / share

$79.28

Trade value

$47.57K

% of position

0.6%
5/8/2026
105.81K105.21K
Total

Net shares

+0.00

Net value

-$114.82K

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

2.74K shares

Shares

2.74K

Strike price

46.54

Held after

42.26K

Exercisable

5/8/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

800.00 shares

Shares

800.00

Strike price

46.54

Held after

41.46K

Exercisable

5/8/2026
BOULDING MARK ELLIOTT — Insider Transaction (Form 4) Filed May 12, 2026 | Finecho