MADUCK SEAN

PrivateCIK: 1698310
Location

REDWOOD CITY, CA

MADUCK SEAN (See Remarks) sold 71.6% of their position (25K shares) of CORCEPT THERAPEUTICS INC on the open market

Open‑market sale worth $2.91M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderMADUCK SEANCIK 1698310
→
IssuerCORCEPT THERAPEUTICS INCCIK 1088856
Officer· See Remarks
Since Mar 2026
-25K
Net shares
Net seller
$2.91M
Total sold
3
Open market trades
0B · 3S
7
Total transactions
25K acquired · 50K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+413.00

Price / share

$8.27

Trade value

$3.42K

% of position

4.2%
10/1/2026
9.94K→10.35K

Common Stock

Direct
S · Sale

Shares

−413.00

Price / share

$115.54

Trade value

$47.72K

% of position

4.0%
10/1/2026
10.35K→9.94K

Common Stock

Direct
M · Option Exercise

Shares

+24.59K

Price / share

$8.27

Trade value

$203.33K

% of position

247.4%
10/2/2026
9.94K→34.52K

Common Stock

Direct
S · Sale

Shares

−15.84K

Price / share

$116.12

Trade value

$1.84M

% of position

45.9%
10/2/2026
34.52K→18.68K

Common Stock

Direct
S · Sale

Shares

−8.74K

Price / share

$116.55

Trade value

$1.02M

% of position

46.8%
10/2/2026
18.68K→9.94K
Total

Net shares

+0.00

Net value

-$2.70M

Derivative Transactions2

Stock option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

413.00 shares

Shares

−413.00

Strike price

8.27

Held after

66.57K

Exercisable

—

10/1/2026

Stock option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

24.59K shares

Shares

−24.59K

Strike price

8.27

Held after

41.99K

Exercisable

—

10/2/2026
Non-Derivative Holdings (Post-Transaction)5

Common Stock

Indirect
Shares owned10K

Common Stock

Indirect
Shares owned40K

Common Stock

Indirect
Shares owned5.15K

Common Stock

Indirect
Shares owned20.57K

Common Stock

Indirect
Shares owned34K
Total
109.72K indirect109.72K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
MADUCK SEAN — Insider Transaction (Form 4) Filed Oct 5, 2026 | Finecho