Joseph Douglas Lyon

CIK: 0001817838

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)30 (35.7%)

Position reduction

Option Exercises (M)25 (29.8%)

Derivative conversions

Awards (A)20 (23.8%)

Compensation grants

Other (G, F, J, C, D, …)9 (10.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CORT

CORCEPT THERAPEUTICS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (84 total)

CORT
CORCEPT THERAPEUTICS INC
Oct 2, 2026
Exercise(M)
Direct
3.4K shares at avg. $13.56$46K
CORT
CORCEPT THERAPEUTICS INC
Oct 2, 2026
Exercise(M)
Direct
5.8K shares at avg. $19.26$112K
CORT
CORCEPT THERAPEUTICS INC
Oct 2, 2026
Sale(S)
Direct
4.7K shares at avg. $116.54$553K
CORT
CORCEPT THERAPEUTICS INC
Oct 2, 2026
Sale(S)
Direct
4.4K shares at avg. $115.70$514K
CORT
CORCEPT THERAPEUTICS INC
Oct 1, 2026
Sale(S)
Direct
810 shares at avg. $115.40$93K
CORT
CORCEPT THERAPEUTICS INC
Oct 1, 2026
Exercise(M)
Direct
810 shares at avg. $13.56$11K
CORT
CORCEPT THERAPEUTICS INC
Sep 14, 2026
Sale(S)
Direct
2.2K shares at avg. $114.12$250K
CORT
CORCEPT THERAPEUTICS INC
Sep 14, 2026
Exercise(M)
Direct
7.4K shares at avg. $13.56$100K
CORT
CORCEPT THERAPEUTICS INC
Sep 14, 2026
Sale(S)
Direct
7.8K shares at avg. $113.32$885K
CORT
CORCEPT THERAPEUTICS INC
Sep 14, 2026
Exercise(M)
Direct
2.6K shares at avg. $11.35$29K
CORT
CORCEPT THERAPEUTICS INC
Sep 2, 2026
Tax Payment(F)
Direct
72 shares at avg. $113.38$8K
CORT
CORCEPT THERAPEUTICS INC
Sep 1, 2026
Award(A)
Direct
130 shares at avg. $113.38$15K
CORT
CORCEPT THERAPEUTICS INC
Sep 1, 2026
Award(A)
Direct
130 shares-
CORT
CORCEPT THERAPEUTICS INC
Aug 3, 2026
Sale(S)
Direct
1.5K shares at avg. $114.16$176K
CORT
CORCEPT THERAPEUTICS INC
Jun 2, 2026
Tax Payment(F)
Direct
269 shares at avg. $70.44$19K
CORT
CORCEPT THERAPEUTICS INC
Jun 1, 2026
Award(A)
Direct
537 shares at avg. $70.44$38K
CORT
CORCEPT THERAPEUTICS INC
Jun 1, 2026
Award(A)
Direct
537 shares-
CORT
CORCEPT THERAPEUTICS INC
May 27, 2026
Sale(S)
Direct
5K shares at avg. $65.00$325K
CORT
CORCEPT THERAPEUTICS INC
Mar 3, 2026
Tax Payment(F)
Direct
89 shares at avg. $35.97$3K
CORT
CORCEPT THERAPEUTICS INC
Mar 2, 2026
Award(A)
Direct
398 shares at avg. $35.97$14K
CORT
CORCEPT THERAPEUTICS INC
Mar 2, 2026
Award(A)
Direct
398 shares-
CORT
CORCEPT THERAPEUTICS INC
Feb 27, 2026
Award(A)
Stock Option (right to buy)
Direct
140K shares-
CORT
CORCEPT THERAPEUTICS INC
Dec 2, 2025
Tax Payment(F)
Direct
110 shares at avg. $79.78$9K
CORT
CORCEPT THERAPEUTICS INC
Dec 1, 2025
Exercise(M)
Direct
5K shares at avg. $13.56$68K
CORT
CORCEPT THERAPEUTICS INC
Dec 1, 2025
Award(A)
Direct
178 shares at avg. $79.78$14K

		Type	Shares	Price		Ownership
Oct 2, 2026	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	3,357	$13.56	$45,521	Direct
Oct 2, 2026	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	5,833	$19.26	$112,344	Direct
Oct 2, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	4,744	$116.54	$552,869	Direct
Oct 2, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	4,446	$115.70	$514,389	Direct
Oct 1, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	810	$115.40	$93,473	Direct
Oct 1, 2026	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	810	$13.56	$10,984	Direct
Sep 14, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	2,188	$114.12	$249,686	Direct
Sep 14, 2026	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	7,404	$13.56	$100,398	Direct
Sep 14, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	7,812	$113.32	$885,261	Direct
Sep 14, 2026	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	2,596	$11.35	$29,465	Direct
Sep 2, 2026	CORT CORCEPT THERAPEUTICS INC	Tax Payment(F)	72	$113.38	$8,163	Direct
Sep 1, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	130	$113.38	$14,739	Direct
Sep 1, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	130	-	$0	Direct
Aug 3, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	1,540	$114.16	$175,806	Direct
Jun 2, 2026	CORT CORCEPT THERAPEUTICS INC	Tax Payment(F)	269	$70.44	$18,948	Direct
Jun 1, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	537	$70.44	$37,826	Direct
Jun 1, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	537	-	$0	Direct
May 27, 2026	CORT CORCEPT THERAPEUTICS INC	Sale(S)	5,000	$65.00	$325,000	Direct
Mar 3, 2026	CORT CORCEPT THERAPEUTICS INC	Tax Payment(F)	89	$35.97	$3,201	Direct
Mar 2, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	398	$35.97	$14,316	Direct
Mar 2, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A)	398	-	$0	Direct
Feb 27, 2026	CORT CORCEPT THERAPEUTICS INC	Award(A) Stock Option (right to buy)	140,000	-	-	Direct
Dec 2, 2025	CORT CORCEPT THERAPEUTICS INC	Tax Payment(F)	110	$79.78	$8,776	Direct
Dec 1, 2025	CORT CORCEPT THERAPEUTICS INC	Exercise(M)	5,000	$13.56	$67,800	Direct
Dec 1, 2025	CORT CORCEPT THERAPEUTICS INC	Award(A)	178	$79.78	$14,201	Direct

1-25 of 84 transactions

About Lyon Joseph Douglas

Lyon Joseph Douglas (SEC CIK 0001817838) files insider reports with the SEC as Officer of CORCEPT THERAPEUTICS INC (CORT).

Signal8 holds 25 ownership filings by Lyon Joseph Douglas, all Form 4s, filed between Sep 5, 2024 and Oct 5, 2026. Those filings report 84 transactions, from Sep 3, 2024 to Oct 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Lyon Joseph Douglas's filings is in REDWOOD CITY, CA.

Recent filings by Lyon Joseph Douglas

Oct 2, 2026: Option exercises of CORT shares (2 lines, Form 4, code M).
Oct 2, 2026: Open-market sales of CORT shares (2 lines, Form 4, code S).
Oct 1, 2026: Open-market sale of CORT shares (Form 4, code S).
Oct 1, 2026: Option exercise of CORT shares (Form 4, code M).
Sep 14, 2026: Open-market sale of CORT shares (Form 4, code S).

Other insiders filing for CORCEPT THERAPEUTICS INC (CORT)

WILSON JAMES N, Director
Vieira Roberto Wandenkolk, President, Oncology
Maduck Sean
Gunn Justin Frederick
Robb Gary Charles, Chief Business Officer
Guyer William, Chief Development Officer

How to read Form 4 transaction codes