Mark Elliott Boulding

Exec. VP and CLO, Ptc Therapeutics, Inc.

Bought, 12 months

$0.0M

Sold, 12 months

$4.2M

Companies

Latest trade

Oct 9, 2026

Companies

Ptc Therapeutics, Inc.Exec. VP and CLO −$6.1M

Trades

PTCT Sold 192 shares at $64.26 · planned $0.0M Oct 9

PTCT Sold 435 shares at $64.16 · planned $0.0M Oct 6

PTCT Sold 1,638 shares at $64.03 · planned $0.1M Oct 5

PTCT Sold 2,813 shares at $72.57 · planned $0.2M Aug 17

PTCT Sold 5,079 shares at $85.08 · planned $0.4M Jul 6

PTCT Sold 10,462 shares at $78.65 · planned $0.8M Jun 17

PTCT Sold 2,812 shares at $72.18 · planned $0.2M May 15

PTCT Sold 3,540 shares at $78.97 · planned $0.3M May 8

PTCT Sold 2,265 shares at $69.45 · planned $0.2M Apr 6

PTCT Sold 3,019 shares at $69.48 · planned $0.2M Feb 19

PTCT Sold 3,081 shares at $69.36 · planned $0.2M Feb 18

PTCT Sold 2,813 shares at $69.29 · planned $0.2M Feb 17

PTCT Sold 2,314 shares at $77.93 · planned $0.2M Jan 9

PTCT Sold 4,033 shares at $76.56 · planned $0.3M Jan 8

PTCT Sold 4,879 shares at $77.44 · planned $0.4M Jan 7

PTCT Sold 1,739 shares at $76.95 · planned $0.1M Jan 6

PTCT Sold 2,266 shares at $75.55 · planned $0.2M Jan 5

PTCT Sold 2,812 shares at $75.99 · planned $0.2M Nov 17

PTCT Sold 3,375 shares at $63.43 · planned $0.2M Oct 7

PTCT Sold 2,266 shares at $65.07 · planned $0.1M Oct 6

PTCT Sold 22,655 shares at $65.82 · planned $1.5M Oct 3

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.