Summary
Updated Aug 31, 2026
Derek Chang is President & CEO, Director of Liberty Media Corp (FWONK). 3 SEC Form 4 filings on record going back to 2024, most recently on 5 December 2025.
Recent Transactions
2Every recent SEC Form 4 transaction Derek Chang has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Derek Chang files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Chase Carey - $28.55M of FWONK open-market activity in the last 12 months
- Renee L. Wilm - $2.07M of FWONK open-market activity in the last 12 months
- John C. Malone - $1.28M of FWONK open-market activity in the last 12 months
- Brian J. Wendling - $955K of FWONK open-market activity in the last 12 months
- Malcolm Ian Grant Gilchrist - $90K of FWONK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Derek Chang?
Derek Chang is a corporate insider, tracked as President & CEO, Director of Liberty Media Corp (FWONK). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Derek Chang last file a Form 4?
The most recent primary Form 4 on record is dated 5 December 2025, one of 3 filings going back to 2024.
Where can I see all of Derek Chang'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 Derek Chang 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
