Boulding Mark Elliott Insider Trades & Stock Holdings

EXEC. VP AND CLO · PTC Therapeutics, Inc. · Latest filing Oct 9, 2026

Boulding Mark Elliott, EXEC. VP AND CLO at PTC Therapeutics, Inc. has 3 Form 4 trades on file since Oct 5, 2026. Open-market activity: 0 purchases ($0) and 3 sales ($145.13K), net -$145.13K. Latest filing: disposed of 192 shares of $PTCT on Oct 9, 2026 at $64.26.

Trades on file

3

Open-market bought

$0

Open-market sold

$145.13K

Net open-market

-$145.13K

Latest filing

Oct 9, 2026

All insider trades by Boulding Mark Elliott

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 9, 2026	$PTCT	Sell (Open-market sale) 10b5-1	192	$64.26	$12.34K			-8.4%			EXEC. VP AND CLO		Read
Oct 6, 2026	$PTCT	Sell (Open-market sale) 10b5-1	435	$64.16	$27.91K			-5.9%			EXEC. VP AND CLO		—
Oct 5, 2026	$PTCT	Sell (Open-market sale) 10b5-1	1.64K	$64.03	$104.88K			-1.1%			EXEC. VP AND CLO		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Boulding Mark Elliott traded

• $PTCT

Frequently asked questions

Has Boulding Mark Elliott been buying or selling stock?

Boulding Mark Elliott has 0 open-market purchases and 3 open-market sales on file, net -$145.13K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Boulding Mark Elliott's latest insider trade?

disposed of 192 shares of $PTCT on Oct 9, 2026 at $64.26.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.