Comparable stake leader
BlackRock, Inc.
SEC ownership of CORCEPT THERAPEUTICS INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001088856.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- CORT on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001088856
- Issuer location
- Redwood City, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CORCEPT THERAPEUTICS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 11%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 11%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
11%
INGALLS & SNYDER LLC
6.8%
Joseph K. Belanoff
6.3%
RENAISSANCE TECHNOLOGIES LLC
4.9%
VANGUARD PORTFOLIO MANAGEMENT LLC
4.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
11%
from 13D/G
|
$1,080,964,444
12,432,023 shares
|
— | 30 Jun 2026 |
| INGALLS & SNYDER LLC |
13F
13D/G
Company
|
6.8%
from 13D/G
|
$689,905,000
7,934,507 shares
|
— | 30 Jun 2026 |
| Joseph K. Belanoff |
13D/G
3/4/5
Chief Executive Officer, Director
|
6.3%
|
$499,599,592
6,822,335 shares
|
$0 | 31 Dec 2024 |
| RENAISSANCE TECHNOLOGIES LLC |
13D/G
13F
Company
|
4.9%
|
$482,017,741
5,261,628 shares
|
-$45,521,009 | 01 Apr 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
4.7%
|
$438,631,274
5,044,638 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.9%
|
$362,797,310
4,172,482 shares
|
— | 30 Jun 2026 |
| Parallel Advisors, LLC |
13F
Company
|
3.7%
|
$344,511,290
3,962,177 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
Company
|
3.1%
|
$290,205,885
3,337,618 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$97,297,054.
Buys
$3,313,809
Insiders: 1
Sells
$100,610,862
Insiders: 11
Net
-$97,297,054
Shares: -1,066,354
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 100,000
Shares: 1,166,354
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 556,119 | $0 | $59,725,222 | -$59,725,222 |
| 3-6 | 100,000 | 295,802 | $3,313,809 | $17,701,799 | -$14,387,990 |
| 6-9 | 0 | 48,233 | $0 | $1,817,336 | -$1,817,336 |
| 9-12 | 0 | 266,200 | $0 | $21,366,506 | -$21,366,506 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-16 of 16 reporting-owner rows connected to CORCEPT THERAPEUTICS INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
16
Largest Forms 3/4/5 holder
G. Leonard Baker Jr.
Net 12M change
-$97,297,052
Latest report
01 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| G. Leonard Baker Jr. | Director | $197,981,843 | +$3,313,809 | +1.7% | Mixed | 21 May 2026 |
| Joseph K. Belanoff | Chief Executive Officer, Director | $191,010,202 | -$13,788,106 | -6.7% | Mixed | 29 May 2026 |
| James N. Wilson | Director | $155,816,308 | -$2,829,295 | -1.8% | Mixed | 14 Aug 2026 |
| David L. Mahoney | Director | $137,887,933 | -$13,941,917 | -9.2% | Mixed | 18 Aug 2026 |
| Hazel Hunt | Chief Scientific Officer | $10,552,102 | Mixed | 27 Feb 2026 | ||
| Gary Charles Robb | Chief Business Officer | $5,995,201 | -$1,162,572 | -16% | Median | 01 Sep 2026 |
| Sean Maduck | Officer | $1,733,609 | -$23,269,093 | -93% | Median | 01 Sep 2026 |
| Atabak Mokari | Chief Financial Officer | $1,417,632 | -$18,731,290 | -93% | Median | 01 Sep 2026 |
| Joseph Douglas Lyon | Chief Accounting & Technology Officer | $494,136 | -$1,690,448 | -77% | Median | 01 Sep 2026 |
| Roberto Wandenkolk Vieira | President, Oncology | $489,694 | -$6,460,766 | -93% | Filing P/S | 01 Sep 2026 |
| William Guyer | Chief Development Officer | $375,015 | -$15,274,617 | -98% | Median | 01 Sep 2026 |
| Daniel N. Swisher Jr. | Director | $0 | -$192,588 | -100% | Mixed | 21 May 2026 |
| Kimberly Park | Director | $0 | -$3,270,169 | -100% | Mixed | 26 Aug 2026 |
| Gillian Cannon | Director | $0 | Mixed | 10 Sep 2025 | ||
| Joshua M. Murray | Director | Mixed | 21 May 2026 | |||
| Gregg H. Alton | Director | Mixed | 21 May 2026 |
Recent insider transactions for CORCEPT THERAPEUTICS INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Sean Maduck | CORT | Common Stock | Tax liability | -1.16% | -117 | 9,938 | 02 Sep 2026 | Direct | ||
| Atabak Mokari | CORT | Common Stock | Tax liability | -0.62% | -102 | 16,304 | 02 Sep 2026 | Direct | ||
| Gary Charles Robb | CORT | Common Stock | Tax liability | -0.66% | -91 | 13,663 | 02 Sep 2026 | Direct | ||
| Roberto Wandenkolk Vieira | CORT | Common Stock | Sale | -93.2% | $6,460,766 | $110.76 | -58,333 | 4,242 | 02 Sep 2026 | Direct |
| Roberto Wandenkolk Vieira | CORT | Common Stock | Options Exercise | 1375.1% | 58,333 | 62,575 | 02 Sep 2026 | Direct | ||
| Roberto Wandenkolk Vieira | CORT | Common Stock | Tax liability | -2.35% | -102 | 4,242 | 02 Sep 2026 | Direct | ||
| Roberto Wandenkolk Vieira | CORT | Stock option (right to buy) | Options Exercise | -29.2% | -58,333 | 141,667 | 02 Sep 2026 | Direct | ||
| Joseph Douglas Lyon | CORT | Common Stock | Tax liability | -1.25% | -72 | 5,683 | 02 Sep 2026 | Direct | ||
| William Guyer | CORT | Common Stock | Award | 8.23% | 328 | 4,313 | 01 Sep 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Award | 3.08% | 300 | 10,055 | 01 Sep 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Sale | -71.9% | $2,860,737 | $114.43 | -25,000 | 9,755 | 01 Sep 2026 | Direct |
| Sean Maduck | CORT | Common Stock | Options Exercise | 256.3% | 25,000 | 34,755 | 01 Sep 2026 | Direct | ||
| Sean Maduck | CORT | Stock option (right to buy) | Options Exercise | -27.2% | -25,000 | 66,986 | 01 Sep 2026 | Direct | ||
| Atabak Mokari | CORT | Common Stock | Award | 1.71% | 276 | 16,406 | 01 Sep 2026 | Direct | ||
| Gary Charles Robb | CORT | Common Stock | Award | 2.44% | 328 | 13,754 | 01 Sep 2026 | Direct | ||
| Roberto Wandenkolk Vieira | CORT | Common Stock | Award | 6.78% | 276 | 4,344 | 01 Sep 2026 | Direct | ||
| Joseph Douglas Lyon | CORT | Common Stock | Award | 4.73% | 260 | 5,755 | 01 Sep 2026 | Direct | ||
| Kimberly Park | CORT | Common Stock | Sale | -100% | $3,270,169 | $122.55 | -26,685 | 0 | 26 Aug 2026 | Direct |
| Kimberly Park | CORT | Common Stock | Tax liability | -11% | -3,315 | 26,685 | 26 Aug 2026 | Direct | ||
| Kimberly Park | CORT | Common Stock | Options Exercise | 30,000 | 30,000 | 26 Aug 2026 | Direct | |||
| Kimberly Park | CORT | Stock Option (right to buy) | Options Exercise | -50% | -30,000 | 30,000 | 26 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Sale | -76% | $3,887,320 | $125.58 | -30,955 | 9,755 | 25 Aug 2026 | Direct |
| Sean Maduck | CORT | Common Stock | Options Exercise | 317.3% | 30,955 | 40,710 | 25 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Stock option (right to buy) | Options Exercise | -15.5% | -30,955 | 169,045 | 25 Aug 2026 | Direct | ||
| David L. Mahoney | CORT | Common Stock | Sale | -8.37% | $12,251,411 | $118.25 | -103,606 | 1,133,539 | 18 Aug 2026 | Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust |
| Gary Charles Robb | CORT | Common Stock | Sale | -20.1% | $1,162,572 | $116.26 | -10,000 | 39,716 | 17 Aug 2026 | Gary Charles Robb TTE Robb Revocable Trust |
| Gary Charles Robb | CORT | Common Stock | Gift | -0.92% | -125 | 13,426 | 17 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Sale | -27.3% | $419,491 | $114.49 | -3,664 | 9,755 | 14 Aug 2026 | Direct |
| Sean Maduck | CORT | Common Stock | Options Exercise | 37.6% | 3,664 | 13,419 | 14 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Stock option (right to buy) | Options Exercise | -3.83% | -3,664 | 91,986 | 14 Aug 2026 | Direct | ||
| James N. Wilson | CORT | Common Stock | Sale | -0.92% | $1,114,261 | $111.43 | -10,000 | 1,074,543 | 14 Aug 2026 | James N. Wilson and Pamela D. Wilson Trust |
| Gary Charles Robb | CORT | Common Stock | Gift | 62.7% | 6,000 | 15,571 | 12 Aug 2026 | Custodial Account for Child | ||
| Gary Charles Robb | CORT | Common Stock | Gift | -46% | -11,530 | 13,551 | 12 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Sale | -9.56% | $118,068 | $114.52 | -1,031 | 9,755 | 10 Aug 2026 | Direct |
| Sean Maduck | CORT | Common Stock | Options Exercise | 10.6% | 1,031 | 10,786 | 10 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Stock option (right to buy) | Options Exercise | -1.07% | -1,031 | 95,650 | 10 Aug 2026 | Direct | ||
| William Guyer | CORT | Common Stock | Sale | -80.4% | $1,848,890 | $113.43 | -16,300 | 3,985 | 10 Aug 2026 | Direct |
| William Guyer | CORT | Common Stock | Options Exercise | 409% | 16,300 | 20,285 | 10 Aug 2026 | Direct | ||
| William Guyer | CORT | Stock Option (right to buy) | Options Exercise | -12.9% | -16,300 | 110,000 | 10 Aug 2026 | Direct | ||
| William Guyer | CORT | Common Stock | Sale | -48.2% | $418,562 | $113.12 | -3,700 | 3,985 | 04 Aug 2026 | Direct |
| William Guyer | CORT | Common Stock | Options Exercise | 92.8% | 3,700 | 7,685 | 04 Aug 2026 | Direct | ||
| William Guyer | CORT | Stock Option (right to buy) | Options Exercise | -2.85% | -3,700 | 126,300 | 04 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Common Stock | Sale | -67.6% | $2,329,075 | $114.70 | -20,305 | 9,755 | 03 Aug 2026 | Direct |
| Sean Maduck | CORT | Common Stock | Options Exercise | 208.2% | 20,305 | 30,060 | 03 Aug 2026 | Direct | ||
| Sean Maduck | CORT | Stock option (right to buy) | Options Exercise | -17.4% | -20,305 | 96,681 | 03 Aug 2026 | Direct | ||
| Joseph Douglas Lyon | CORT | Common Stock | Sale | -21.9% | $175,806 | $114.16 | -1,540 | 5,495 | 03 Aug 2026 | Direct |
| Atabak Mokari | CORT | Common Stock | Sale | -83.2% | $9,177,109 | $114.71 | -80,000 | 16,130 | 30 Jul 2026 | Direct |
| Atabak Mokari | CORT | Common Stock | Options Exercise | 496% | 80,000 | 96,130 | 30 Jul 2026 | Direct | ||
| Atabak Mokari | CORT | Stock option (right to buy) | Options Exercise | -45.5% | -80,000 | 95,833 | 30 Jul 2026 | Direct | ||
| James N. Wilson | CORT | Common Stock | Sale | -0.91% | $882,986 | $88.30 | -10,000 | 1,084,543 | 15 Jul 2026 | James N. Wilson and Pamela D. Wilson Trust |
* marks a reported price that did not pass the local price check.