BOULDING MARK ELLIOTT

PrivateCIK: 1578852
Location

SOUTH PLAINFIELD, NJ

Senior insider sale

Exec. VP and CLO at PTC THERAPEUTICS, INC. — senior position signals high conviction

$1.46M

18.41K shares

What this filing means

BOULDING MARK ELLIOTT plans to sell 18.41K shares of PTC THERAPEUTICS, INC. valued at approximately $1.46M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderBOULDING MARK ELLIOTTCIK 1578852
IssuerPTC THERAPEUTICS, INC.CIK 1070081
Officer· Exec. VP and CLO
Since Jan 2019
18.41K
Shares to sell
$1.46M
Approx. market value
2.81K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Stock Option Exercise

Cash

8/17/2026
2.81K
Total acquired2.81K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

5.08K

Market value

$432.1K

7/6/2026
Completed

Units to sell

10.52K

Market value

$827.6K

6/17/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

2.81K

Market value

$201.7K

8/17/2026
Total

Units

18.41K

Value

$1.46M