Skip to content

Insider · CIK 0001224091

David L Mahoney

director

Files at CORT (CORCEPT THERAPEUTICS INC). First filing May 20, 2025, latest Aug 20, 2026.

In brief

David L Mahoney files SEC Form 4 as director at CORT (CORCEPT THERAPEUTICS INC). Since May 20, 2025, David L Mahoney has reported 0 open-market buys worth $0 and 3 open-market sells worth $16M, the latest filed on Aug 20, 2026.

A track record needs three past buys with six months of prices behind them; David L Mahoney has 0, so none is measured yet.

The newest scored trade: sold $12M of CORT on Aug 18, 2026, filed Aug 20, 2026, scored 35 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 2 sells worth $14M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $16M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CORT: CORCEPT THERAPEUTICS INC

CORTOct 9, 2026 · close 121.19

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
35Weak
CORTsell 610b5-1
CORCEPT THERAPEUTICS INC
$12M
103,606 shares
-8%+267% from low-0% from high
65Notable
CORTsell 4
CORCEPT THERAPEUTICS INC
$1.7M
20,000 shares
-43%+154% from low-9% from high
60Notable
CORTsell 5
CORCEPT THERAPEUTICS INC
$2.0M
27,352 shares
-100%+111% from low-34% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Aug 18, 2026 CORT
CORCEPT THERAPEUTICS INC
103,606
0.10% of outstanding
$12MAug 18, 2026none
Jun 16, 2026 CORT
CORCEPT THERAPEUTICS INC
20,000
0.02% of outstanding
$1.7MJun 16, 2026none
May 16, 2025 CORT
CORCEPT THERAPEUTICS INC
27,352
0.03% of outstanding
$2.0MMay 16, 2025none

Transactions

Every row this insider has filed, 17 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 18, 2026CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stockindirect: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust10b5-1
-4,984$117.47$585k1,232,161Aug 20, 2026
Aug 18, 2026CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stockindirect: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust10b5-1
-91,167$118.24$11M1,140,994Aug 20, 2026
Aug 18, 2026CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stockindirect: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust10b5-1
-7,055$118.88$839k1,133,939Aug 20, 2026
Aug 18, 2026CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stockindirect: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust10b5-1
-400$119.64$48k1,133,539Aug 20, 2026
Jun 17, 2026CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stockindirect: The Black Dog Private Foundation
-20,000$84.53$1.7M26,147Jun 18, 2026
May 21, 2026CORT
CORCEPT THERAPEUTICS INC
AGrant or award
Stock Option (right to buy)derivative
+12,500$0.00$012,500May 26, 2026
Mar 13, 2026CORT
CORCEPT THERAPEUTICS INC
MOption exercise
Common Stock
+30,000$5.86$176k30,000Mar 17, 2026
Mar 13, 2026CORT
CORCEPT THERAPEUTICS INC
FTax withholding
Common Stock
-5,469$32.15$176k24,531Mar 17, 2026
Mar 13, 2026CORT
CORCEPT THERAPEUTICS INC
GGift
Common Stock
-24,531$0.00$00Mar 17, 2026
Mar 13, 2026CORT
CORCEPT THERAPEUTICS INC
JOther
Common Stockindirect: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust
+24,531$0.00$01,237,145Mar 17, 2026
Mar 13, 2026CORT
CORCEPT THERAPEUTICS INC
MOption exercise
Stock Option (right to buy)derivative
-30,000$0.00$00Mar 17, 2026
Jun 10, 2025CORT
CORCEPT THERAPEUTICS INC
AGrant or award
Stock option (right to buy)derivative
+15,000$0.00$015,000Jun 12, 2025
May 16, 2025CORT
CORCEPT THERAPEUTICS INC
MOption exercise
Common Stock
+30,000$6.55$197k30,000May 20, 2025
May 16, 2025CORT
CORCEPT THERAPEUTICS INC
FTax withholding
Common Stock
-2,648$74.21$197k27,352May 20, 2025
May 16, 2025CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stock
-23,829$74.17$1.8M3,523May 20, 2025
May 16, 2025CORT
CORCEPT THERAPEUTICS INC
SOpen-market sale
Common Stock
-3,523$74.65$263k0May 20, 2025
May 16, 2025CORT
CORCEPT THERAPEUTICS INC
MOption exercise
Stock option (right to buy)derivative
-30,000$0.00$00May 20, 2025

Questions about David L Mahoney

Answered from the filings on this page, as of the latest one.

Is David L Mahoney buying or selling?

In the last 12 months David L Mahoney reported 0 open-market buys worth $0 and 2 open-market sells worth $14M on SEC Form 4; the latest was sold $12M of CORT on Aug 18, 2026. Grants, option exercises and tax withholding are not counted.

How did David L Mahoney's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David L Mahoney has 0.

Where does David L Mahoney file Form 4?

David L Mahoney has filed Form 4 at CORT (CORCEPT THERAPEUTICS INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

David L Mahoney: insider trades and track record | InsiderTell