Summary
Updated Aug 31, 2026
Charles B. Duke has 4 SEC Form 4 filings on record going back to 2025, most recently on 10 August 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Charles B. Duke has reported, most recent first.
- ARES INDUSTRIAL REAL ESTATE INCOME TRUST Inc.A - Grant or award
6.8K shares @ $0.00-
- Ares Real Estate Income Trust Inc.A - Grant or award
9.1K shares @ $0.00-
- ARES INDUSTRIAL REAL ESTATE INCOME TRUST Inc.A - Grant or award
6.9K shares @ $0.00-
- Ares Real Estate Income Trust Inc.A - Grant or award
9.7K shares @ $0.00-
Trading Pattern
InsiderAlpha's records for Charles B. Duke go back to 2025: 4 primary Form 4 filings, an average of 2.0 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
Charles B. Duke has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Martine A. Rothblatt - $298.98M of UTHR open-market activity in the last 90 days
- Frank Slootman - $294.67M of SNOW open-market activity in the last 90 days
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
- SLTA V (GP), L.L.C. - $275.19M of FA open-market activity in the last 90 days
- Ignition Acquisition Holdings LP - $274.88M of OPLN 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
Who is Charles B. Duke?
Charles B. Duke is a corporate insider, tracked as Director. InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Charles B. Duke last file a Form 4?
The most recent primary Form 4 on record is dated 10 August 2026, one of 4 filings going back to 2025.
Where can I see all of Charles B. Duke'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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