SCHMERTZLER MICHAEL
SEC Form 4 insider trading activity
SCHMERTZLER MICHAEL has filed 10 SEC Form 4 filings (24 transaction rows) across 2 companies, including PTCT, HLNE, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Oct 16, 2026.
On the most recent filing, SCHMERTZLER MICHAEL is listed as Director at PTC THERAPEUTICS, INC. Inside the rolling window, SCHMERTZLER MICHAEL reported no open-market purchases and 10 open-market sales totaling $6.6M in PTCT. The largest disclosed transaction in the window is a sale of 12,500 PTCT shares on Aug 19, 2026, worth $917K.
Companies traded
Other insiders at PTCT
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.6M
reported sales (SEC code S)
Companies
2
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| PTCT | Director | Sale | 2,500 | $149K | Oct 16 | SEC ↗ | |
| PTCT | Director | Sale | 2,500 | $158K | Oct 9 | SEC ↗ | |
| PTCT | Director | Sale | 10,000 | $671K | Sep 18 | SEC ↗ | |
| PTCT | Director | Sale | 10,000 | $679K | Sep 18 | SEC ↗ | |
| PTCT | Director | Sale | 10,000 | $678K | Sep 11 | SEC ↗ | |
| PTCT | Director | Sale | 10,000 | $673K | Sep 11 | SEC ↗ | |
| PTCT | Director | Sale | 12,500 | $912K | Aug 28 | SEC ↗ | |
| PTCT | Director | Sale | 12,500 | $895K | Aug 28 | SEC ↗ | |
| PTCT | Director | Sale | 12,500 | $917K | Aug 21 | SEC ↗ | |
| PTCT | Director | Sale | 12,500 | $889K | Aug 21 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has SCHMERTZLER MICHAEL made?
SCHMERTZLER MICHAEL has filed 10 SEC Form 4 filings (24 transaction rows) across 2 companies, including PTCT, HLNE since 2025.
Which companies does SCHMERTZLER MICHAEL trade?
SCHMERTZLER MICHAEL has filed SEC Form 4 disclosures for 2 companies, including PTCT, HLNE.
When was SCHMERTZLER MICHAEL's most recent SEC Form 4 filing?
SCHMERTZLER MICHAEL's most recent SEC Form 4 filing on Tracefour is dated Oct 16, 2026.
What is SCHMERTZLER MICHAEL's total buy and sell value in the current window?
Inside the rolling retention window, SCHMERTZLER MICHAEL bought $0 and sold $6.6M based on SEC Form 4 filings.
What was SCHMERTZLER MICHAEL's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 12,500 PTCT shares on 2026-08-19, worth $917K, per SEC Form 4 filings.