Summary
Updated Aug 31, 2026
Leon D. Black files SEC Form 4 reports at Apollo Global Management, Inc. (APO). 7 SEC Form 4 filings on record going back to 2024, most recently on 12 August 2026. Most recent open-market trade: sold $122.64M of APO on 4 September 2025. Lifetime open-market sales: $363.81M.
Recent Transactions
20Every recent SEC Form 4 transaction Leon D. Black has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Leon D. Black go back to 2024: 7 primary Form 4 filings, an average of 2.3 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Leon D. Black 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.
- John P. Zito - $6.36M of APO open-market activity in the last 12 months
- Martin Kelly - $2.15M of APO 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 Leon D. Black?
Leon D. Black is a corporate insider of Apollo Global Management, Inc. (APO). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Leon D. Black submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Leon D. Black been buying or selling stock?
Recorded transactions: 0 open-market purchases and 20 open-market sales ($363.81M) across all tracked filings.
Where can I see all of Leon D. Black'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.
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