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PTC Therapeutics (PTCT) 10K Form and Latest SEC Filings 2026

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$67.57 -1.24 (-1.80%)
Closing price 09/9/2026 04:00 PM Eastern
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$67.94 +0.37 (+0.54%)
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Latest PTC Therapeutics SEC Filings & Recent Activity

PTC Therapeutics (NASDAQ:PTCT) has submitted 726+ documents to the U.S. Securities and Exchange Commission (SEC) since 2018. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in PTC Therapeutics's financial statements. The most recent filing was a Form 144 submitted on September 9, 2026.

Form 4
PTC THERAPEUTICS, INC. Reports Ownership Change on Aug. 28, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
PTC Therapeutics Files Current Report on Aug. 28, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

View filing

10-Q
PTC Therapeutics Files Quarterly Report on Jul. 30, 2026

The 10-Q contains PTC Therapeutics's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.

View earnings history

PTC Therapeutics SEC Filing History

Browse PTC Therapeutics' complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
09/09/2026 3:32 PM
PTC Therapeutics (1070081) Subject
SCHMERTZLER MICHAEL (1288952) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/28/2026 4:20 PM
PTC Therapeutics (1070081) Issuer
SCHMERTZLER MICHAEL (1288952) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/28/2026 3:06 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/21/2026 4:20 PM
PTC Therapeutics (1070081) Issuer
SCHMERTZLER MICHAEL (1288952) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/19/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
08/19/2026 3:51 PM
PTC Therapeutics (1070081) Subject
SCHMERTZLER MICHAEL (1288952) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/17/2026 10:20 AM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/13/2026 6:00 AM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
08/04/2026 2:11 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/30/2026 8:00 PM
PTC Therapeutics (1070081) Issuer
Sollie-Zetlmayer Hege Elisabeth (2142653) Reporting
Form 3
Initial statement of beneficial ownership of securities  
07/30/2026 8:02 PM
PTC Therapeutics (1070081) Issuer
Sollie-Zetlmayer Hege Elisabeth (2142653) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/30/2026 3:32 PM
PTC Therapeutics (1070081) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/30/2026 3:05 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/16/2026 4:20 PM
Gravier Pierre (1984065) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/14/2026 2:14 PM
Gravier Pierre (1984065) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/13/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/13/2026 4:20 PM
PTC Therapeutics (1070081) Issuer
Smith Mary L. (1866044) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/09/2026 3:11 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/09/2026 11:18 AM
PTC Therapeutics (1070081) Subject
Smith Mary L. (1866044) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/08/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/07/2026 3:11 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/06/2026 2:17 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/30/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/26/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/26/2026 2:29 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/25/2026 3:16 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/24/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2026 3:11 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/22/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/22/2026 4:20 PM
PTC Therapeutics (1070081) Issuer
Utter Christine Marie (1707685) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/22/2026 3:25 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/17/2026 8:39 AM
PTC Therapeutics (1070081) Subject
Utter Christine Marie (1707685) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/16/2026 6:00 AM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/12/2026 4:30 PM
Pauwels Eric (1323212) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/10/2026 11:51 AM
Pauwels Eric (1323212) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/09/2026 4:15 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/05/2026 4:15 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/19/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/15/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
I found Rolls-Royce at $2 - now I see the same setup again (Ad)

In 2022, Karim Rahemtulla recommended Rolls-Royce under $2 - a misunderstood aerospace name the market had written off. The stock climbed more than 1,100% over the next 3-4 years, with some subscribers reporting gains of $141,000, $272,000, or more. He believes a similar setup is forming now around what he calls the 'Energy Cube' - a compact nuclear system roughly the size of a shipping container, capable of powering up to 1,000 homes with no emissions, 24 hours a day. Bill Gates, Jeff Bezos, Google, and Microsoft have all backed companies in this space. The Nuclear Regulatory Commission is expected to issue a key approval as early as September - the first of its kind for this technology class in over a decade.tc pixel

Watch the full presentation before the NRC decision arrives
05/15/2026 12:46 PM
PTC Therapeutics (1070081) Subject
TORONTO DOMINION BANK (947263) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:39 AM
JANUS HENDERSON GROUP PLC (1274173) Filed by
PTC Therapeutics (1070081) Subject
Form SCHEDULE 13G/A
05/15/2026 9:06 AM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/14/2026 2:09 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/14/2026 11:43 AM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/12/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/08/2026 3:15 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/07/2026 3:32 PM
PTC Therapeutics (1070081) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/30/2026 11:08 AM
PTC Therapeutics (1070081) Subject
VANGUARD CAPITAL MANAGEMENT LLC (2100119) Filed by
Form SCHEDULE 13G
04/29/2026 1:49 PM
PTC Therapeutics (1070081) Subject
VANGUARD PORTFOLIO MANAGEMENT LLC (2100121) Filed by
Form SCHEDULE 13G
04/28/2026 3:29 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/23/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/21/2026 3:12 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/20/2026 3:30 PM
PTC Therapeutics (1070081) Filer
Form DEF 14A
04/20/2026 3:31 PM
PTC Therapeutics (1070081) Filer
Form DEFA14A
04/20/2026 3:32 PM
PTC Therapeutics (1070081) Filer
Form ARS
04/08/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/06/2026 4:20 PM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/06/2026 3:13 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/03/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:32 PM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/01/2026 3:46 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/27/2026 10:34 AM
PTC Therapeutics (1070081) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
03/26/2026 6:39 PM
Chutter Jessica Caroline (2123815) Reporting
PTC Therapeutics (1070081) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/26/2026 6:41 PM
Chutter Jessica Caroline (2123815) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/25/2026 8:00 AM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/13/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 4:20 PM
Okey Stephanie (1742616) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 2:23 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/09/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/09/2026 4:20 PM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/09/2026 4:20 PM
Okey Stephanie (1742616) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2026 12:41 PM
Okey Stephanie (1742616) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/05/2026 10:40 AM
Almstead Zheng Yang (1970876) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/05/2026 10:16 AM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/23/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
Pauwels Eric (1323212) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
Gravier Pierre (1984065) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 4:20 PM
PTC Therapeutics (1070081) Issuer
Utter Christine Marie (1707685) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/19/2026 4:25 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/19/2026 3:36 PM
PTC Therapeutics (1070081) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/19/2026 3:14 PM
PTC Therapeutics (1070081) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/19/2026 8:56 AM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/18/2026 4:06 PM
Almstead Zheng Yang (1970876) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/18/2026 4:12 PM
Pauwels Eric (1323212) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/18/2026 3:38 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/17/2026 11:42 AM
JANUS HENDERSON GROUP PLC (1274173) Filed by
PTC Therapeutics (1070081) Subject
Form SCHEDULE 13G
I found Rolls-Royce at $2 - now I see the same setup again (Ad)

In 2022, Karim Rahemtulla recommended Rolls-Royce under $2 - a misunderstood aerospace name the market had written off. The stock climbed more than 1,100% over the next 3-4 years, with some subscribers reporting gains of $141,000, $272,000, or more. He believes a similar setup is forming now around what he calls the 'Energy Cube' - a compact nuclear system roughly the size of a shipping container, capable of powering up to 1,000 homes with no emissions, 24 hours a day. Bill Gates, Jeff Bezos, Google, and Microsoft have all backed companies in this space. The Nuclear Regulatory Commission is expected to issue a key approval as early as September - the first of its kind for this technology class in over a decade.tc pixel

Watch the full presentation before the NRC decision arrives
02/17/2026 11:51 AM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/13/2026 12:02 PM
PTC Therapeutics (1070081) Subject
TORONTO DOMINION BANK (947263) Filed by
Form SCHEDULE 13G
02/10/2026 10:21 AM
PTC Therapeutics (1070081) Subject
WELLINGTON MANAGEMENT GROUP LLP (902219) Filed by
Form SCHEDULE 13G/A
02/09/2026 6:59 AM
PTC Therapeutics (1070081) Subject
STATE STREET CORP (93751) Filed by
STATE STREET CORP (93751) Filed by
Form SCHEDULE 13G
01/12/2026 4:20 PM
Almstead Neil Gregory (1578850) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2026 4:20 PM
Boulding Mark Elliott (1578852) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2026 4:20 PM
Golden Lee Scott (1686217) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2026 4:20 PM
Klein Matthew B. (1808968) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2026 4:20 PM
Pauwels Eric (1323212) Reporting
PTC Therapeutics (1070081) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)

PTC Therapeutics SEC Filings - Frequently Asked Questions

PTC Therapeutics (PTCT) has submitted 726+ filings to the SEC since 2018. You can browse the complete history or filter by form type using the tools above.

PTC Therapeutics's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on PTC Therapeutics's financial statements page.

The most recent filing was a Form 144 submitted on September 9, 2026. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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SEC filings for NASDAQ:PTCT are sourced directly from the U.S. Securities and Exchange Commission (SEC), with the most recent filing dated 9/9/2026. New filings are added as they're published.
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