Maduck Sean — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Maduck Sean has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $32.35M.

Profile

Maduck Sean
RoleInsider
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-06CORTCORCEPT THERAPEUTICS INCS — Open-market sale11.2K$89.31$998K
2026-07-06CORTCORCEPT THERAPEUTICS INCS — Open-market sale2.8K$88.51$248K
2026-07-06CORTCORCEPT THERAPEUTICS INCS — Open-market sale11.0K$87.33$963K
2026-07-06CORTCORCEPT THERAPEUTICS INCM — Option exercise25.0K$8.27$207K
2026-06-03CORTCORCEPT THERAPEUTICS INCF — Tax withholding / forfeiture452$70.44$32K
2026-06-03CORTCORCEPT THERAPEUTICS INCA — Grant or award615$0.00
2026-06-03CORTCORCEPT THERAPEUTICS INCA — Grant or award615$70.44$43K
2026-06-03CORTCORCEPT THERAPEUTICS INCS — Open-market sale3.9K$70.75$278K
2026-06-03CORTCORCEPT THERAPEUTICS INCS — Open-market sale21.1K$70.11$1.48M
2026-06-03CORTCORCEPT THERAPEUTICS INCM — Option exercise25.0K$8.27$207K
2026-05-29CORTCORCEPT THERAPEUTICS INCS — Open-market sale20.4K$66.16$1.35M
2026-05-29CORTCORCEPT THERAPEUTICS INCS — Open-market sale54.6K$65.37$3.57M
2026-05-29CORTCORCEPT THERAPEUTICS INCM — Option exercise75.0K$8.27$620K
2026-03-05CORTCORCEPT THERAPEUTICS INCF — Tax withholding / forfeiture110$35.97$4K
2026-03-05CORTCORCEPT THERAPEUTICS INCA — Grant or award454$0.00
2026-03-05CORTCORCEPT THERAPEUTICS INCA — Grant or award454$35.97$16K
2026-02-13CORTCORCEPT THERAPEUTICS INCJ — Other acquisition / disposition34.0K$0.00
2026-02-13CORTCORCEPT THERAPEUTICS INCG — Bona-fide gift34.0K$0.00
2026-02-13CORTCORCEPT THERAPEUTICS INCJ — Other acquisition / disposition20.6K$0.00
2026-02-13CORTCORCEPT THERAPEUTICS INCG — Bona-fide gift20.6K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Maduck Sean?

Maduck Sean is a corporate insider — currently tracked as Insider of CORCEPT THERAPEUTICS INC (CORT). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Maduck Sean submitted recently?

3 primary Form 4 filings in the last 90 days, covering 1 company.

Has Maduck Sean been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 31 open-market sales ($32.35M) across all tracked filings.

Where can I see all of Maduck Sean'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

Open the live Maduck Sean profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.