Summary
Updated Aug 31, 2026
CGC IV Sponsor LLC is 10% Owner of Cartesian Growth Corp IV (CGCF). 1 SEC Form 4 filing on record, dated 11 August 2026.
Trading Pattern
InsiderAlpha's records for CGC IV Sponsor LLC go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
CGC IV Sponsor LLC has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Thomas J. Nimbley - $87.92M of PBF open-market activity in the last 90 days
- John Colgrove - $87.13M of P open-market activity in the last 90 days
- David Zaslav - $86.59M of WBD open-market activity in the last 90 days
- Alexander C. Karp - $86.06M of PLTR open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $7.98B of SVRE open-market activity in the last 90 days
- Magnetar Financial LLC - $6.65B of CRWV open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is CGC IV Sponsor LLC?
CGC IV Sponsor LLC is a corporate entity, tracked as 10% Owner of Cartesian Growth Corp IV (CGCF). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has CGC IV Sponsor LLC submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of CGC IV Sponsor LLC's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow CGC IV Sponsor LLC and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial