Summary
Updated Aug 31, 2026
David L. Mahoney is Director of CORCEPT THERAPEUTICS INC (CORT). 6 SEC Form 4 filings on record going back to 2025, most recently on 20 August 2026. Most recent open-market trade: sold $48K of CORT on 20 August 2026. Lifetime open-market sales: $15.97M.
Recent Transactions
13Every recent SEC Form 4 transaction David L. Mahoney has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David L. Mahoney go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. 4 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David L. Mahoney 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.
- Sean Maduck - $21.82M of CORT open-market activity in the last 12 months
- Atabak Mokari - $18.73M of CORT open-market activity in the last 12 months
- William Guyer - $16.68M of CORT open-market activity in the last 12 months
- Joseph K. Belanoff - $16.61M of CORT open-market activity in the last 12 months
- G. Leonard Baker Jr. - $3.31M of CORT open-market activity in the last 12 months
- Kimberly Park - $3.27M of CORT 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 David L. Mahoney?
David L. Mahoney is a corporate insider, tracked as Director of CORCEPT THERAPEUTICS INC (CORT). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David L. Mahoney submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has David L. Mahoney been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($15.97M) across all tracked filings.
Where can I see all of David L. Mahoney'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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