Company Analysis

Solid Biosciences Inc. (SLDB)

Nasdaq: SLDB · Biological Products, (No Diagnostic Substances) · Charlestown, MA · filing with the SEC since 2017
Grade4.5
◀ Past 3.0● Present 5.1▶ Future 5.0
3 est.

Filings

325 filings since 2017 beside 413 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 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 65 days after the quarter ended. The proxy statement was last filed Apr 23, 2026.

Filings a yearinsider forms included
74756893557799107
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 Apr 10, 2026.SEC letters: 14 in the last 36 months, the newest Mar 27, 2026.
Insider forms 413

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 6, 2026 SCHEDULE 13D/A Activist holder update, amended
Nov 4, 2026 10-Q Quarterly report Sep 30, 2026
Aug 14, 2026 SCHEDULE 13D/A Activist holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 6, 2026 424B5 Shelf offering
Aug 6, 2026 S-3ASR Shelf registration
Aug 6, 2026 10-Q Quarterly report Jun 30, 2026
Aug 6, 2026 SCHEDULE 13G Large holder notice
Jul 30, 2026 SCHEDULE 13G Large holder notice
Jun 24, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 10, 2026 8-K item 5.07 Shareholder vote · Current report
Jun 5, 2026 424B7 Resale prospectus supplement
May 12, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 27, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 23, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 23, 2026 DEFA14A Extra proxy material
Apr 23, 2026 DEF 14A Proxy statement Jun 10, 2026
Apr 10, 2026 PRE 14A Preliminary proxy statement Jun 10, 2026
Apr 10, 2026 8-K item 5.02 Officer or director change · Current report
Mar 31, 2026 EFFECT Registration effective
Mar 31, 2026 EFFECT Registration effective
Mar 27, 2026 CORRESP Reply to the SEC
Mar 27, 2026 CORRESP Reply to the SEC
Mar 24, 2026 UPLOAD SEC comment letter
Mar 24, 2026 UPLOAD SEC comment letter
Mar 19, 2026 S-3 Shelf registration
Mar 19, 2026 S-3 Shelf registration
Mar 19, 2026 S-8 Employee stock plan registration
Mar 19, 2026 10-K Annual report Dec 31, 2025
Mar 17, 2026 SCHEDULE 13D/A Activist holder update, amended
Mar 12, 2026 8-K items 7.01, 8.01 Investor disclosure (Regulation FD); Other event · Current report Mar 11, 2026
Mar 11, 2026 SCHEDULE 13D/A Activist holder update, amended
Mar 10, 2026 SCHEDULE 13D/A Activist holder update, amended
Mar 10, 2026 SCHEDULE 13D/A Activist holder update, amended
Mar 6, 2026 8-K items 1.01, 2.02, 3.02, 8.01, 9.01 Major agreement signed; Results released; Shares sold without registration; Other event · Current report
Feb 17, 2026 SCHEDULE 13G Large holder notice
Feb 12, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 13, 2025 SCHEDULE 13G/A Large holder update, amended
40 of 325 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 SLDB · research, not advice