Ptc Therapeutics, Inc. (PTCT) Insider Trading
Directors, officers and holders of more than 10% of PTCT report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 640 transactions on file: 0 with code P, 31 with code S and 19 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 382 | $60.14 | $22,973 |
| Oct 14, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 2,118 | $59.52 | $126,063 |
| Oct 9, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 192 | $39.42 | $7,569 |
| Oct 9, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | S Sale | 192 | $64.26 | $12,338 |
| Oct 9, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 192 | Not measured | Not measured |
| Oct 7, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 2,447 | $63.38 | $155,091 |
| Oct 7, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 53 | $63.95 | $3,389 |
| Oct 6, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 435 | $39.42 | $17,148 |
| Oct 6, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 435 | Not measured | Not measured |
| Oct 6, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | S Sale | 435 | $64.16 | $27,910 |
| Oct 5, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 1,638 | Not measured | Not measured |
| Oct 5, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | S Sale | 1,638 | $64.03 | $104,881 |
| Oct 5, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 1,638 | $39.42 | $64,570 |
| Sep 30, 2026 | STEELE GLENN JR MD PHD | Director | M Exercise | 12,000 | $11.23 | $134,760 |
| Sep 30, 2026 | STEELE GLENN JR MD PHD | Director | S Sale | 12,000 | $65.16 | $781,920 |
| Sep 30, 2026 | STEELE GLENN JR MD PHD | Director | M Exercise | 12,000 | Not measured | Not measured |
| Sep 17, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 9,624 | $67.83 | $652,796 |
| Sep 17, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 376 | $68.45 | $25,737 |
| Sep 16, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 7,006 | $67.35 | $471,854 |
| Sep 16, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 2,994 | $66.58 | $199,341 |
| Sep 10, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 10,000 | $67.34 | $673,400 |
| Sep 9, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 572 | $68.67 | $39,279 |
| Sep 9, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 9,428 | $67.79 | $639,124 |
| Aug 27, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 11,890 | $71.55 | $850,730 |
| Aug 27, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 610 | $72.22 | $44,054 |
| Aug 26, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 6,874 | $72.74 | $500,015 |
| Aug 26, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 5,626 | $73.18 | $411,711 |
| Aug 20, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 9,419 | $70.78 | $666,677 |
| Aug 20, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 2,390 | $71.88 | $171,793 |
| Aug 20, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 691 | $72.92 | $50,388 |
| Aug 19, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 7,165 | $73.67 | $527,846 |
| Aug 19, 2026 | SCHMERTZLER MICHAEL | Director | S Sale | 5,335 | $72.86 | $388,708 |
| Aug 17, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | S Sale | 969 | $72.90 | $70,640 |
| Aug 17, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 2,813 | $25.69 | $72,266 |
| Aug 17, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | M Exercise | 2,813 | Not measured | Not measured |
| Aug 17, 2026 | Boulding Mark Elliott | EXEC. VP AND CLO | S Sale | 1,844 | $72.39 | $133,487 |
| Aug 4, 2026 | Klein Matthew B. | CHIEF EXECUTIVE OFFICER | S Sale | 10,292 | $68.57 | $705,722 |
| Jul 28, 2026 | Sollie-Zetlmayer Hege Elisabeth | Director | A Award | 2,000 | Not measured | Not measured |
| Jul 28, 2026 | Sollie-Zetlmayer Hege Elisabeth | Director | A Award | 3,475 | Not measured | Not measured |
| Jul 28, 2026 | Sollie-Zetlmayer Hege Elisabeth | Director | A Award | 4,000 | Not measured | Not measured |
| Jul 28, 2026 | Sollie-Zetlmayer Hege Elisabeth | Director | A Award | 1,738 | Not measured | Not measured |
| Jul 14, 2026 | Gravier Pierre | CHIEF FINANCIAL OFFICER | S Sale | 3,494 | $80.35 | $280,743 |
| Jul 9, 2026 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | M Exercise | 2,464 | $46.54 | $114,675 |
| Jul 9, 2026 | Smith Mary L. | Director | M Exercise | 10,000 | Not measured | Not measured |
| Jul 9, 2026 | Smith Mary L. | Director | M Exercise | 5,834 | $42.95 | $250,570 |
| Jul 9, 2026 | Smith Mary L. | Director | S Sale | 10,000 | $90.00 | $900,000 |
| Jul 9, 2026 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | M Exercise | 2,464 | Not measured | Not measured |
| Jul 9, 2026 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | S Sale | 2,464 | $90.25 | $222,376 |
| Jul 9, 2026 | Smith Mary L. | Director | M Exercise | 10,000 | $42.95 | $429,500 |
| Jul 9, 2026 | Smith Mary L. | Director | S Sale | 5,834 | $90.00 | $525,060 |
The full Form 4 history is on the PTCT company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.