PTCT Insider Trading
PTC THERAPEUTICS, INC. | Pharmaceutical Preparations
Comprehensive Trading Performance Summary
The investment history of corporate insiders at PTC THERAPEUTICS, INC. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2015-03-19 02:26 | 2015-03-17 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $76.64 | 10,700 | $820,048 | 0 | 0.0% |
| 2015-03-14 01:03 | 2015-03-13 | Spiegel Robert J. | Officer - Chief Medical Officer | SELL | $75.10 | 1,030 | $77,355 | 3,239 | -24.1% |
| 2015-03-14 01:02 | 2015-03-13 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $76.36 | 300 | $22,908 | 0 | 0.0% |
| 2015-03-12 03:17 | 2015-03-09 | Peltz Stuart Walter | Director, Officer - Chief Executive Officer | SELL | $70.74 | 47,201 | $3,338,928 | 47,200 | -50.0% |
| 2015-03-12 03:09 | 2015-03-10 | Almstead Neil Gregory | Officer - EVP, Research and CMC | SELL | $70.71 | 79 | $5,586 | 1,295 | -5.7% |
| 2015-02-26 03:40 | 2015-02-23 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $68.01 | 35,000 | $2,380,399 | 0 | 0.0% |
| 2015-02-21 01:51 | 2015-02-17 | Almstead Neil Gregory | Officer - EVP, Research and CMC | OPT+S | $54.10 | 3,904 | $211,213 | 29,881 | 0.0% |
| 2015-01-23 05:05 | 2015-01-20 | Almstead Neil Gregory | Officer - EVP, Research and CMC | OPT+S | $60.26 | 26,096 | $1,572,420 | 29,881 | 0.0% |
| 2015-01-23 05:02 | 2015-01-20 | Rothera Mark | Officer - Chief Commercial Officer | SELL | $60.02 | 3,000 | $180,060 | 3,000 | -50.0% |
| 2015-01-17 03:37 | 2015-01-16 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $58.67 | 2,300 | $134,941 | 6,000 | 0.0% |
| 2015-01-17 03:35 | 2015-01-15 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $57.19 | 2,149 | $122,901 | 39,247 | 0.0% |
| 2015-01-16 03:43 | 2015-01-13 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $58.04 | 9,700 | $562,999 | 6,000 | 0.0% |
| 2015-01-03 00:38 | 2014-12-31 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $52.39 | 417 | $21,847 | 39,000 | 0.0% |
| 2014-12-18 01:42 | 2014-12-15 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $55.24 | 2,173 | $120,032 | 39,000 | 0.0% |
| 2014-12-06 01:52 | 2014-12-04 | Almstead Neil Gregory | Officer - Senior VP, Research and CMC | SELL | $50.00 | 175 | $8,750 | 1,374 | -11.3% |
| 2014-12-02 02:26 | 2014-12-01 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $43.99 | 417 | $18,343 | 38,777 | 0.0% |
| 2014-11-19 05:54 | 2014-11-17 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $39.78 | 2,173 | $86,431 | 38,777 | 0.0% |
| 2014-11-01 03:55 | 2014-10-31 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $41.50 | 416 | $17,264 | 38,554 | 0.0% |
| 2014-10-16 01:09 | 2014-10-10 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | OPT+S | $36.15 | 45,661 | $1,650,453 | 38,554 | 0.0% |
| 2014-10-04 03:23 | 2014-10-01 | Peltz Stuart Walter | Director, Officer - Chief Executive Officer | SELL | $42.65 | 41,501 | $1,770,204 | 94,401 | -30.5% |
| 2014-09-27 01:45 | 2014-09-24 | Rothera Mark | Officer - Chief Commercial Officer | OPT+S | $44.63 | 16,000 | $714,158 | 9,000 | 0.0% |
| 2014-09-23 00:00 | 2014-09-18 | Jacobson Allan Steven | Director | SELL | $40.16 | 2,000 | $80,320 | 28,464 | -6.6% |
| 2014-09-17 01:15 | 2014-09-15 | Rothera Mark | Officer - Chief Commercial Officer | SELL | $36.24 | 8,000 | $289,910 | 17,000 | -32.0% |
| 2014-09-09 03:43 | 2014-02-19 | SCHMERTZLER MICHAEL | Director, 10% owner | BUY | $24.50 | 23,000 | $563,500 | 1,320,369 | +1.8% |
| 2014-03-26 00:17 | 2014-03-24 | Peltz Stuart Walter | Director, Officer - Chief Executive Officer | SELL | $29.86 | 25,487 | $761,146 | 135,902 | -15.8% |
| 2014-03-25 01:18 | 2014-03-21 | SOUTHWELL DAVID P | Director | SELL | $30.93 | 2,317 | $71,666 | 10,921 | -17.5% |
| 2014-03-25 01:14 | 2014-03-21 | Hirawat Claudia de Oliveira Ribeiro | Officer - President | SELL | $29.61 | 15,320 | $453,683 | 34,737 | -30.6% |
| 2014-03-21 23:46 | 2014-03-20 | Boulding Mark Elliott | Officer - Exec. VP and CLO | SELL | $30.96 | 10,049 | $311,117 | 32,235 | -23.8% |
| 2014-03-21 01:21 | 2014-03-19 | Almstead Neil Gregory | Officer - Senior VP, Research and CMC | SELL | $31.91 | 10,859 | $346,557 | 29,881 | -26.7% |
| 2014-03-19 23:44 | 2014-03-18 | Jacobson Allan Steven | Director | SELL | $31.18 | 7,616 | $237,500 | 30,464 | -20.0% |
| 2014-03-18 00:11 | 2014-03-14 | Kranda Michael L | Director | SELL | $31.02 | 1,186 | $36,790 | 4,742 | -20.0% |
| 2014-03-15 00:48 | 2014-03-13 | Spiegel Robert J. | Officer - Chief Medical Officer | SELL | $31.75 | 1,186 | $37,656 | 4,269 | -21.7% |
| 2014-03-11 00:13 | 2014-03-07 | Peltz Stuart Walter | Director, Officer - Chief Executive Officer | SELL | $29.91 | 27,414 | $819,975 | 161,389 | -14.5% |
| 2013-12-20 00:42 | 2013-12-17 | HBM Healthcare Investments (Cayman) Ltd. | 10% owner | SELL | $19.08 | 66,667 | $1,272,120 | 2,441,504 | -2.7% |
| 2013-06-29 00:52 | 2013-06-25 | Koppel Adam | Director | BUY | $15.00 | 1,250,000 | $18,750,000 | 2,333,333 | +115.4% |
| 2013-06-28 20:36 | 2013-06-25 | HBM Healthcare Investments (Cayman) Ltd. | 10% owner | BUY | $15.00 | 666,676 | $10,000,140 | 2,508,171 | +36.2% |
| 2013-06-28 04:35 | 2013-06-25 | SCHMERTZLER MICHAEL | Director, 10% owner | BUY | $15.00 | 533,333 | $7,999,995 | 1,297,369 | +69.8% |
| 2013-06-28 04:34 | 2013-06-25 | Rothera Mark | Officer - Chief Commercial Officer | BUY | $15.00 | 25,000 | $375,000 | 25,000 | +100.0% |
| 2013-06-28 04:33 | 2013-06-25 | Bolte Axel | Director | BUY | $15.00 | 20,000 | $300,000 | 20,000 | +100.0% |
| 2013-06-28 04:31 | 2013-06-25 | ALDRICH RICHARD | Director | BUY | $15.00 | 766,667 | $11,500,005 | 300,000 | +100.0% |
| 2013-06-25 23:30 | 2013-06-25 | Vulcan Ventures Inc. | Director | BUY | $15.00 | 333,333 | $4,999,995 | 803,067 | +71.0% |
How to Interpret $PTCT Trades
Not every insider transaction in PTC THERAPEUTICS, INC. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $PTCT shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for PTCT
Insider activity data for PTC THERAPEUTICS, INC. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $PTCT, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.