Michael Schmertzler Insider Trades & Stock Holdings

Director · PTC Therapeutics, Inc. · Latest filing Oct 14, 2026

Michael Schmertzler, Director at PTC Therapeutics, Inc. has 4 Form 4 trades on file since Sep 16, 2026. Open-market activity: 0 purchases ($0) and 4 sales ($1.66M), net -$1.66M. Latest filing: disposed of 2.50K shares of $PTCT on Oct 14, 2026 at $59.61.

Trades on file

4

Open-market bought

$0

Open-market sold

$1.66M

Net open-market

-$1.66M

Shares held ($PTCT)

1.29M

Latest filing

Oct 14, 2026

Shares held by Michael Schmertzler

• $PTCT1.29M sh

Shares owned after the most recent Form 4 for each company.

All insider trades by Michael Schmertzler

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 14, 2026	$PTCT	Sell (Open-market sale) 10b5-1	2.50K	$59.61	$149.04K	1.29M	-0.19%				Director	SEC	Read
Oct 7, 2026	$PTCT	Sell (Open-market sale) 10b5-1	2.50K	$63.39	$158.48K			-5.6%			Director		—
Sep 17, 2026	$PTCT	Sell (Open-market sale) 10b5-1	10K	$67.85	$678.53K			-8.4%			Director		—
Sep 16, 2026	$PTCT	Sell (Open-market sale) 10b5-1	10K	$67.12	$671.20K			-7.8%	-12.4%		Director		—

"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 Michael Schmertzler traded

• $PTCT

Frequently asked questions

Has Michael Schmertzler been buying or selling stock?

Michael Schmertzler has 0 open-market purchases and 4 open-market sales on file, net -$1.66M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Michael Schmertzler's latest insider trade?

disposed of 2.50K shares of $PTCT on Oct 14, 2026 at $59.61.

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.