Company Analysis

PTC Therapeutics, Inc. (PTCT)

Nasdaq: PTCT · Pharmaceutical Preparations · Warren, NJ · filing with the SEC since 2004
Grade6.3
◀ Past 6.9● Present 5.8▶ Future 6.4

Filings

377 filings since 2017 beside 677 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Apr 20, 2026.

Filings a yearinsider forms included
701048579124107169185
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Jul 30, 2026.SEC letters: 3 in the last 36 months, the newest Sep 24, 2025.
Insider forms 677

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 SCHEDULE 13G Large holder notice
Nov 3, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Oct 29, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Sep 21, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Aug 28, 2026 8-K item 1.01 Major agreement signed · Current report Aug 25, 2026
Aug 13, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report Aug 12, 2026
Jul 30, 2026 10-Q Quarterly report Jun 30, 2026
Jul 30, 2026 8-K items 2.02, 5.02, 7.01, 9.01 Results released; Officer or director change; Investor disclosure (Regulation FD) · Current report Jul 28, 2026
Jun 18, 2026 8-K items 1.01, 2.03, 3.02, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Shares sold without registration; Other event · Current report
Jun 16, 2026 8-K items 8.01, 9.01 Other event · Current report Jun 15, 2026
Jun 9, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Jun 8, 2026
Jun 5, 2026 8-K item 5.07 Shareholder vote · Current report Jun 2, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 7, 2026 10-Q Quarterly report Mar 31, 2026
May 7, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 28, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Apr 20, 2026 ARS Annual report to shareholders Jan 31, 2026
Apr 20, 2026 DEFA14A Extra proxy material
Apr 20, 2026 DEF 14A Proxy statement Jun 2, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 25, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Mar 24, 2026
Feb 19, 2026 10-K Annual report Dec 31, 2025
Feb 19, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Feb 17, 2026 SCHEDULE 13G Large holder notice
Feb 13, 2026 SCHEDULE 13G Large holder notice
Feb 12, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Feb 10, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 9, 2026 SCHEDULE 13G Large holder notice
Jan 12, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Dec 29, 2025 8-K item 1.01 Major agreement signed · Current report
Dec 4, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 4, 2025 10-Q Quarterly report Sep 30, 2025
Nov 4, 2025 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Oct 30, 2025 SCHEDULE 13G/A Large holder update, amended
Sep 24, 2025 UPLOAD SEC comment letter
40 of 377 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton PTCT · research, not advice