PTC THERAPEUTICS, INC. (PTCT) has 230 open-market insider trades by 24 insiders since 2013. Over the last six months insiders net sold $2.1M. The most active filer is Stuart Walter Peltz, CEO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Stuart Walter Peltz | CEO | — | 29 | $74.1M | 2023-01-31 |
| Adam Koppel | Dir | — | 1 | $18.8M | 2013-06-25 |
| Mark Elliott Boulding | CLOVP | — | 25 | $14.4M | 2026-10-09 |
| Neil Gregory Almstead | — | — | 28 | $12.8M | 2026-07-09 |
| Richard Aldrich | Dir | — | 1 | $11.5M | 2015-06-08 |
| HBM Healthcare Investments (Cayman) Ltd. | 10% | — | 2 | $11.3M | 2013-12-17 |
| Michael Schmertzler | Dir | — | 3 | $10.6M | 2026-10-14 |
| Matthew B. Klein | CEO | — | 27 | $8.0M | 2026-08-04 |
| Christine Marie Utter | CAOVP | — | 27 | $7.5M | 2026-06-17 |
| Marcio Souza | COO | — | 6 | $5.8M | 2020-02-10 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Michael Schmertzler | Director | Sell | $149K | 2026-10-14 |
| Mark Elliott Boulding | CLO & VP | Sell | $12K | 2026-10-09 |
| Michael Schmertzler | Director | Sell | $158K | 2026-10-07 |
| Mark Elliott Boulding | CLO & VP | Sell | $133K | 2026-10-05 |
| Glenn Steele Jr. M.D. Ph.D. | Director | Sell | $782K | 2026-09-30 |
| Michael Schmertzler | Director | Sell | $1.3M |
Companies that share insiders with PTCT, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-09-16 |
| Michael Schmertzler | Director | Sell | $1.4M | 2026-09-09 |
| Michael Schmertzler | Director | Sell | $1.8M | 2026-08-26 |
| Michael Schmertzler | Director | Sell | $1.8M | 2026-08-19 |
| Mark Elliott Boulding | CLO & VP | Sell | $204K | 2026-08-17 |
| Matthew B. Klein | CEO | Sell | $706K | 2026-08-04 |
| Pierre Gravier | CFO | Sell | $281K | 2026-07-14 |
| Neil Gregory Almstead | — | Sell | $222K | 2026-07-09 |
| Mary L. Smith | Director | Sell | $1.4M | 2026-07-09 |
| Neil Gregory Almstead | — | Sell | $4.1M | 2026-07-06 |