SEPTInvestingStart Free

CCCC SCHEDULE 13G/A: SEC filing

Squadron Capital

Filed with the SEC on · accession 0002050709-26-000022

CCCC filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. Squadron Capital filed an amended Schedule 13G (13G/A) regarding its passive ownership stake in C4 Therapeutics, Inc. (CCCC). The stock moved +3.9% by the first close after the filing.

Summary of the filing

Squadron Capital filed an amended Schedule 13G (13G/A) regarding its passive ownership stake in C4 Therapeutics, Inc. (CCCC). The filing indicates a change in the reporting person's beneficial ownership position.

For details, click here →

Key details

Filer/shareholderSquadron Capital
IssuerC4 Therapeutics, Inc.

How CCCC stock reacted

Close before

$4.08

Aug 13, 2026

First close after

+3.92%

$4.24

5 trading days

-1.23%

$4.03

Since filing

-24.02%

$3.10

✦ Ask GOAX AI about this filing — what it means for CCCC, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for CCCC?

Click here

Frequently asked questions

What did CCCC file with the SEC on Aug 14, 2026?

CCCC filed a SCHEDULE 13G/A (SEC filing). Squadron Capital filed an amended Schedule 13G (13G/A) regarding its passive ownership stake in C4 Therapeutics, Inc. (CCCC). The filing indicates a change in the reporting person's beneficial ownership position.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did CCCC stock react to this filing?

CCCC closed at $4.08 before the filing and $4.24 on Aug 14, 2026 (+3.92%). Five trading days later: $4.03 (-1.23%).

Other CCCC SEC filings

Get alerts when CCCC files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
CCCC overviewCCCC analysisCCCC newsLatest SEC filings