Michael Schmertzler Insider Trading Activity

Corporate InsiderDirector · CIK 1288952

Total trades

$3.3M

Total volume

Oct 7, 2026

Last activity

PTCT

PTC THERAPEUTICS, INC.

Michael Schmertzler has been net-selling over the last 12 months with 0 purchases and 9 sales across 1 company.

PTCT is the most-traded position with 9 trades. The largest single transaction was a sale of PTCT for $851K on Aug 27, 2026.

Performance Scorecard

Forward stock performance after each transaction by Michael Schmertzler. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+11.2%	100%	4
90 days	—	—	—	—
120 days	—	—	—	—

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

Pro: Trade Markers

PTCT · PTC THERAPEUTICS, INC.

🔒 Subscribe to see trade entries

Pro members see exactly when Michael Schmertzler bought and sold PTCT.

Upgrade to Pro

Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Oct 7, 2026	PTCT	Sell	53	$63.95	$3K	−0.0%	Director
Oct 7, 2026	PTCT	Sell	2,447	$63.38	$155K	−0.2%	Director
Sep 10, 2026	PTCT	Sell	10,000	$67.34	$673K	−0.8%	Director
Sep 9, 2026	PTCT	Sell	9,428	$67.79	$639K	−0.7%	Director
Sep 9, 2026	PTCT	Sell	572	$68.67	$39K	−0.0%	Director
Aug 27, 2026	PTCT	Sell	610	$72.22	$44K	−0.0%	Director
Aug 27, 2026	PTCT	Sell	11,890	$71.55	$851K	−0.9%	Director
Aug 26, 2026	PTCT	Sell	5,626	$73.18	$412K	−0.4%	Director
Aug 26, 2026	PTCT	Sell	6,874	$72.74	$500K	−0.5%	Director