Ptc Therapeutics, Inc. (PTCT) insider trading.
In Q3 2026, insiders at Ptc Therapeutics, Inc. reported 51 non-derivative transactions on 13 Forms 3, 4 and 5: 0 open-market purchases and 39 sales worth $13.7M.
- Transactions
- 51
- Purchases (P)
- 0
- Sales (S)
- 39
- Net shares, P minus S
- -176,750
- Insiders
- 7
- Last filed
- 2026-09-18
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Schmertzler Michael | Director | 16 | 0 | 16 |
| Almstead Neil Gregory | Officer · CHIEF TECHNICAL OPS OFFICER | 14 | 0 | 9 |
| Boulding Mark Elliott | Officer · EXEC. VP AND CLO | 13 | 0 | 10 |
| Smith Mary L. | Director | 4 | 0 | 2 |
| Sollie-Zetlmayer Hege Elisabeth | Director | 2 | 0 | 0 |
| Klein Matthew B. | Director, Officer · CHIEF EXECUTIVE OFFICER | 1 | 0 | 1 |
| Gravier Pierre | Officer · CHIEF FINANCIAL OFFICER | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-17 | Schmertzler Michael | S (D) | 376 | $68.45 | 1,296,594 | Form 4 |
| 2026-09-17 | Schmertzler Michael | S (D) | 9,624 | $67.83 | 1,296,970 | Form 4 |
| 2026-09-16 | Schmertzler Michael | S (D) | 2,994 | $66.58 | 1,313,600 | Form 4 |
| 2026-09-16 | Schmertzler Michael | S (D) | 7,006 | $67.35 | 1,306,594 | Form 4 |
| 2026-09-10 | Schmertzler Michael | S (D) | 10,000 | $67.34 | 1,316,594 | Form 4 |
| 2026-09-09 | Schmertzler Michael | S (D) | 9,428 | $67.79 | 1,327,166 | Form 4 |
| 2026-09-09 | Schmertzler Michael | S (D) | 572 | $68.67 | 1,326,594 | Form 4 |
| 2026-08-27 | Schmertzler Michael | S (D) | 610 | $72.22 | 1,336,594 | Form 4 |
| 2026-08-27 | Schmertzler Michael | S (D) | 11,890 | $71.55 | 1,337,204 | Form 4 |
| 2026-08-26 | Schmertzler Michael | S (D) | 6,874 | $72.74 | 1,354,720 | Form 4 |
| 2026-08-26 | Schmertzler Michael | S (D) | 5,626 | $73.18 | 1,349,094 | Form 4 |
| 2026-08-20 | Schmertzler Michael | S (D) | 691 | $72.92 | 1,361,594 | Form 4 |
| 2026-08-20 | Schmertzler Michael | S (D) | 2,390 | $71.88 | 1,362,285 | Form 4 |
| 2026-08-20 | Schmertzler Michael | S (D) | 9,419 | $70.78 | 1,364,675 | Form 4 |
| 2026-08-19 | Schmertzler Michael | S (D) | 5,335 | $72.86 | 1,381,259 | Form 4 |
| 2026-08-19 | Schmertzler Michael | S (D) | 7,165 | $73.67 | 1,374,094 | Form 4 |
| 2026-08-17 | Boulding Mark Elliott | M (A) | 2,813 | $25.69 | 108,085 | Form 4 |
| 2026-08-17 | Boulding Mark Elliott | S (D) | 969 | $72.9 | 105,272 | Form 4 |
| 2026-08-17 | Boulding Mark Elliott | S (D) | 1,844 | $72.39 | 106,241 | Form 4 |
| 2026-08-04 | Klein Matthew B. | S (D) | 10,292 | $68.57 | 383,868 | Form 4 |
| 2026-07-28 | Sollie-Zetlmayer Hege Elisabeth | A (A) | 2,000 | $0 | 52,526 | Form 4 |
| 2026-07-28 | Sollie-Zetlmayer Hege Elisabeth | A (A) | 4,000 | $0 | 50,526 | Form 4 |
| 2026-07-14 | Gravier Pierre | S (D) | 3,494 | $80.35 | 83,986 | Form 4 |
| 2026-07-09 | Almstead Neil Gregory | S (D) | 2,464 | $90.25 | 60,299 | Form 4 |
| 2026-07-09 | Almstead Neil Gregory | M (A) | 2,464 | $46.54 | 62,763 | Form 4 |
| 2026-07-09 | Smith Mary L. | M (A) | 10,000 | $42.95 | 31,813 | Form 4 |
| 2026-07-09 | Smith Mary L. | M (A) | 5,834 | $42.95 | 27,647 | Form 4 |
| 2026-07-09 | Smith Mary L. | S (D) | 5,834 | $90 | 21,813 | Form 4 |
| 2026-07-09 | Smith Mary L. | S (D) | 10,000 | $90 | 21,813 | Form 4 |
| 2026-07-07 | Almstead Neil Gregory | S (D) | 9,288 | $89.44 | 60,299 | Form 4 |
| 2026-07-07 | Almstead Neil Gregory | S (D) | 11,369 | $89.03 | 69,587 | Form 4 |
| 2026-07-07 | Almstead Neil Gregory | S (D) | 3,956 | $87.17 | 80,956 | Form 4 |
| 2026-07-07 | Almstead Neil Gregory | M (A) | 24,613 | $39.42 | 84,912 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | S (D) | 385 | $86.34 | 60,299 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | S (D) | 426 | $85.28 | 60,684 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | M (A) | 811 | $38.1 | 61,110 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | S (D) | 2,474 | $87.03 | 60,299 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | M (A) | 2,474 | $39.42 | 62,773 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | M (A) | 18,876 | $38.1 | 79,175 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | S (D) | 8,786 | $85.35 | 70,389 | Form 4 |
| 2026-07-06 | Almstead Neil Gregory | S (D) | 10,090 | $86.32 | 60,299 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 833 | $84.41 | 106,392 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 313 | $83.1 | 107,225 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | M (A) | 2,266 | $39.42 | 107,538 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 745 | $86.38 | 105,272 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 519 | $85.84 | 105,873 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 1,036 | $84.41 | 106,662 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 387 | $83.1 | 107,698 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | M (A) | 2,813 | $46.54 | 108,085 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 601 | $86.38 | 105,272 | Form 4 |
| 2026-07-06 | Boulding Mark Elliott | S (D) | 645 | $85.84 | 106,017 | Form 4 |
Transaction codes in this quarter
Get PTCT insider transactions through the API
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-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · PTCT company page · Ptc Therapeutics, Inc. on SEC.gov
Questions
Are insiders buying or selling Ptc Therapeutics, Inc. (PTCT)?
In Q3 2026, insiders at Ptc Therapeutics, Inc. reported 51 non-derivative transactions on 13 Forms 3, 4 and 5: 0 open-market purchases and 39 sales worth $13.7M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Ptc Therapeutics, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/ptct.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.