PTCT
PTC THERAPEUTICS, INC. · Healthcare · Market cap $5.2B
Insiders sold $8.5M net in the last 90 days ·4 sellers, 0 buyers· 15 of 16 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 16, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$57.9M
reported sales (SEC code S)
Unique Insiders
13
in the rolling window
Latest filing
Oct 16, 2026
SCHMERTZLER MICHAEL
PTC THERAPEUTICS, INC. (PTCT) has 87 SEC Form 4 filings (298 transaction rows) in the rolling window, disclosed by 13 distinct insiders. Most recent filing: Oct 16, 2026.
Inside the rolling window, 13 insiders at PTC THERAPEUTICS, INC. reported no open-market purchases and 89 open-market sales totaling $57.9M. The most active filer is EXEC. VP AND CLO Boulding Mark Elliott with 18 filings. Insiders have net sold $25.3M over the trailing 6 months. The most recent open-market filing is a sale of 2,500 shares by Director SCHMERTZLER MICHAEL, dated Oct 14, 2026, worth $149K.
- Industry:Biotechnology
- CEO:Matthew Klein
- Employees:991
- HQ:Warren, NJ, US
- IPO:2013-06-20
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 2,500 | $149K | Oct 16 | +5.7% | SEC ↗ | |
| EXEC. VP AND CLO | Sale | 192 | $12K | Oct 13 | +4.5% | SEC ↗ | |
| Director | Sale | 2,500 | $158K | Oct 9 | -3.2% | SEC ↗ | |
| EXEC. VP AND CLO | Sale | 1,638 | $105K | Oct 7 | -1.0% | SEC ↗ | |
| EXEC. VP AND CLO | Sale | 435 | $28K | Oct 7 | -1.0% | SEC ↗ | |
STEELE GLENN JR MD PHDFirst in 9 months | Director | Sale | 12,000 | $782K | Oct 2 | -1.3% | SEC ↗ |
| Director | Sale | 10,000 | $671K | Sep 18 | -4.2% | SEC ↗ | |
| Director | Sale | 10,000 | $679K | Sep 18 | — | SEC ↗ | |
| Director | Sale | 10,000 | $678K | Sep 11 | — | SEC ↗ | |
| Director | Sale | 10,000 | $673K | Sep 11 | — | SEC ↗ | |
| Director | Sale | 12,500 | $912K | Aug 28 | — | SEC ↗ | |
| Director | Sale | 12,500 | $895K | Aug 28 | — | SEC ↗ | |
SCHMERTZLER MICHAELFirst filing | Director | Sale | 12,500 | $917K | Aug 21 | — | SEC ↗ |
SCHMERTZLER MICHAELFirst filing | Director | Sale | 12,500 | $889K | Aug 21 | — | SEC ↗ |
| EXEC. VP AND CLO | Sale | 2,813 | $204K | Aug 19 | — | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 10,292 | $706K | Aug 6 | — | SEC ↗ | |
Gravier PierreFirst in 5 months | CHIEF FINANCIAL OFFICER | Sale | 3,494 | $281K | Jul 16 | — | SEC ↗ |
Smith Mary L.First filing | Director | Sale | 15,834 | $1.4M | Jul 13 | — | SEC ↗ |
| CHIEF TECHNICAL OPS OFFICER | Sale | 2,464 | $222K | Jul 13 | — | SEC ↗ | |
| EXEC. VP AND CLO | Sale | 5,079 | $432K | Jul 8 | — | SEC ↗ | |
| CHIEF TECHNICAL OPS OFFICER | Sale | 22,161 | $1.9M | Jul 8 | — | SEC ↗ | |
| CHIEF TECHNICAL OPS OFFICER | Sale | 24,613 | $2.2M | Jul 8 | — | SEC ↗ | |
| CHIEF TECHNICAL OPS OFFICER | Sale | 8,130 | $693K | Jun 30 | — | SEC ↗ | |
| CHIEF TECHNICAL OPS OFFICER | Sale | 5,323 | $453K | Jun 26 | — | SEC ↗ | |
| CHIEF TECHNICAL OPS OFFICER | Sale | 20,960 | $1.8M | Jun 26 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does PTCT have?
PTC THERAPEUTICS, INC. (PTCT) has 87 SEC Form 4 filings (298 transaction rows) in the rolling 365-day window, disclosed by 13 distinct insiders. Most recent filing: Oct 16, 2026.
When was the most recent SEC Form 4 filing for PTCT?
The most recent Form 4 filing for PTCT on Tracefour is dated Oct 16, 2026.
Who is the most active insider at PTCT?
The most active SEC Form 4 filer at PTCT in the rolling window is EXEC. VP AND CLO Boulding Mark Elliott, with 18 filings.
What is the net insider flow at PTCT over the last 6 months?
Over the trailing 180 days, insiders at PTCT have net sold $25.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PTCT in the current window?
Inside the rolling window, insiders at PTCT bought $0 and sold $57.9M based on SEC Form 4 filings.
Can I get alerts for PTCT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at PTC THERAPEUTICS, INC. (PTCT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
PTC THERAPEUTICS, INC. is in the Healthcare sector.