SEC ownership of CATALYST PHARMACEUTICALS, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001369568.
- CIK
- 0001369568
- Symbol
- CPRX on Nasdaq
- Location
- Coral Gables, FL
- Parsed ownership evidence
- 13F and 13D/G
- Lead holder
- BlackRock, Inc.
- 13D/G signal
- BlackRock, Inc.
- Latest evidence date
- 31 Mar 2026
Ownership snapshot
Top shareholders of CATALYST PHARMACEUTICALS, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
50
Latest as of
31 Mar 2026
13F
13D/G
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$464,857,361
18,774,530 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
5.2%
from 13D/G
|
$169,929,366
6,863,060 shares
|
— | 31 Mar 2026 |
| James E. Flynn |
13D/G
Deerfield Mgmt, L.P.
|
2.6%
|
$74,033,050
3,133,011 shares
|
$0 | 31 Dec 2024 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.2%
|
$126,837,210
5,122,666 shares
|
— | 31 Mar 2026 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
3.4%
|
$102,467,180
4,138,416 shares
|
— | 31 Mar 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
3.2%
|
$97,643,536
3,943,600 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2.8%
|
$84,907,655
3,429,615 shares
|
— | 31 Mar 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
2.5%
|
$75,184,880
3,036,546 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.4%
|
$73,609,734
2,972,402 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
2.2%
|
$66,537,556
2,687,299 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
2%
|
$61,292,563
2,475,467 shares
|
— | 31 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
1.9%
|
$58,123,531
2,347,477 shares
|
— | 31 Mar 2026 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
1.7%
|
$51,746,073
2,089,906 shares
|
— | 31 Mar 2026 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
1.6%
|
$49,520,437
1,998,875 shares
|
— | 31 Mar 2026 |
| Boston Partners |
13F
Company
|
1.4%
|
$42,447,185
1,711,573 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
1.2%
|
$35,402,888
1,429,842 shares
|
— | 31 Mar 2026 |
| NORTHERN TRUST CORP |
13F
Company
|
1%
|
$30,646,739
1,237,752 shares
|
— | 31 Mar 2026 |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
Company
|
0.97%
|
$29,702,046
1,199,598 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0.8%
|
$24,415,589
986,090 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.8%
|
$24,382,014
984,734 shares
|
— | 31 Mar 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
0.78%
|
$23,653,599
955,315 shares
|
— | 31 Mar 2026 |
| RAYMOND JAMES FINANCIAL INC |
13F
Company
|
0.72%
|
$21,557,247
889,940 shares
|
— | 31 Mar 2026 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
0.7%
|
$21,457,611
866,624 shares
|
— | 31 Mar 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.69%
|
$21,115,823
852,820 shares
|
— | 31 Mar 2026 |
| Fundsmith LLP |
13F
Company
|
0.69%
|
$20,919,402
844,887 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.65%
|
$19,873,144
802,631 shares
|
— | 31 Mar 2026 |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
Company
|
0.63%
|
$19,326,913
780,570 shares
|
— | 31 Mar 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
0.63%
|
$19,152,000
773,446 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.62%
|
$18,990,697
766,991 shares
|
— | 31 Mar 2026 |
| Invesco Ltd. |
13F
Company
|
0.61%
|
$18,640,293
752,839 shares
|
— | 31 Mar 2026 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
Company
|
0.61%
|
$18,523,000
748,104 shares
|
— | 31 Mar 2026 |
| SYSTEMATIC FINANCIAL MANAGEMENT LP |
13F
Company
|
0.61%
|
$18,508,502
747,515 shares
|
— | 31 Mar 2026 |
| FEDERATED HERMES, INC. |
13F
Company
|
0.6%
|
$18,329,754
740,297 shares
|
— | 31 Mar 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
0.55%
|
$16,893,466
682,289 shares
|
— | 31 Mar 2026 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
0.55%
|
$16,737,290
675,981 shares
|
— | 31 Mar 2026 |
| Swedbank AB |
13F
Company
|
0.5%
|
$15,255,428
616,132 shares
|
— | 31 Mar 2026 |
| LSV ASSET MANAGEMENT |
13F
Company
|
0.49%
|
$15,091,000
609,500 shares
|
— | 31 Mar 2026 |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
Company
|
0.48%
|
$14,605,329
589,876 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.47%
|
$14,387,863
581,093 shares
|
— | 31 Mar 2026 |
| Clark Capital Management Group, Inc. |
13F
Company
|
0.46%
|
$14,080,418
568,676 shares
|
— | 31 Mar 2026 |
| GLENMEDE TRUST CO NA |
13F
Company
|
0.46%
|
$13,999,897
565,424 shares
|
— | 31 Mar 2026 |
| IMC-Chicago, LLC |
13F
Company
|
0.46%
|
$13,956,469
563,670 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.44%
|
$13,499,820
545,227 shares
|
— | 31 Mar 2026 |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
Company
|
0.43%
|
$13,032,401
526,349 shares
|
— | 31 Mar 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
0.39%
|
$11,861,055
479,041 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
0.38%
|
$11,100,980
466,820 shares
|
— | 31 Mar 2026 |
| GLOBEFLEX CAPITAL L P |
13F
Company
|
0.37%
|
$11,156,361
450,580 shares
|
— | 31 Mar 2026 |
| RENAISSANCE GROUP LLC |
13F
Company
|
0.36%
|
$11,023,523
445,215 shares
|
— | 31 Mar 2026 |
| Point72 Asset Management, L.P. |
13F
Company
|
0.35%
|
$10,544,417
425,865 shares
|
— | 31 Mar 2026 |
| GABLES CAPITAL MANAGEMENT INC. |
13F
Company
|
0.34%
|
$10,512,626
424,581 shares
|
— | 31 Mar 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: -$8,478,193.
Buys
$2,648,200
Insiders: 2
Sells
$11,126,393
Insiders: 8
Net
-$8,478,193
Shares: -375,623
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 110,000
Shares: 485,623
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 26,746 | $0 | $621,920 | -$621,920 |
| 6-9 | 40,000 | 90,983 | $908,000 | $1,852,444 | -$944,444 |
| 9-12 | 70,000 | 367,894 | $1,740,200 | $8,652,029 | -$6,911,829 |
CATALYST PHARMACEUTICALS, INC. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Patrick J. McEnany | Director, Chairman of Board of Directors | $105,777,977 | -$5,217,338 | -4.7% | Mixed | 29 Dec 2025 |
| Steve Miller | Chief Op. & Scientific Officer | $29,217,712 | -$2,332,200 | -7.4% | Mixed | 29 Dec 2025 |
| Donald A. Denkhaus | Director | $12,120,589 | Mixed | 29 Dec 2025 | ||
| Richard J. Daly | President and CEO, Director | $11,337,222 | +$1,266,559 | +13% | Mixed | 05 Jan 2026 |
| David S. Tierney | Director | $9,508,911 | -$525,200 | -5.2% | Mixed | 29 Dec 2025 |
| Brian Elsbernd | Chief Compliance/Legal Officer | $8,121,002 | -$688,200 | -7.8% | Mixed | 29 Dec 2025 |
| Gary Ingenito | Chief Med. & Reg. Officer | $3,901,700 | Mixed | 13 May 2025 | ||
| Preethi Sundaram | Chief Strategy Officer | $2,812,514 | -$103,649 | -3.6% | Mixed | 29 Dec 2025 |
| Jeffrey del Carmen | Chief Commercial Officer | $2,423,667 | -$256,244 | -9.6% | Mixed | 29 Dec 2025 |
| Michael W. Kalb | Executive Vice President & CFO | $2,226,495 | Mixed | 05 Jan 2026 | ||
| Charles B. O'Keeffe | Director | $2,107,267 | Mixed | 14 Feb 2025 | ||
| Alicia Grande | VP, Treasurer and CFO | $1,404,569 | Mixed | 27 Dec 2023 | ||
| Tamar Thompson | Director | $475,599 | Mixed | 08 Dec 2025 | ||
| Molly Harper | Director | $372,235 | -$621,920 | -63% | Mixed | 29 Dec 2025 |
| Philip H. Coelho | Director | $231,522 | Mixed | 04 May 2023 | ||
| Gregg Russo | Chief HR Officer | $11,700 | Mixed | 17 Feb 2026 | ||
| William T. Andrews | Chief Medical Officer | $0 | Mixed | 20 Nov 2025 | ||
| Daniel J. Curran | Director | $0 | Mixed | 20 Nov 2025 |
Recent Insider Transactions by Companies or Individuals for CATALYST PHARMACEUTICALS, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gregg Russo | CPRX | Common Stock, par value $0.001 per share | Tax liability | -30.7% | -211 | 476 | 17 Feb 2026 | Direct | ||
| Gregg Russo | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 687 | 687 | 17 Feb 2026 | Direct | |||
| Gregg Russo | CPRX | Restricted Stock Units | Options Exercise | -0.95% | -687 | 71,786 | 17 Feb 2026 | Direct | ||
| Michael W. Kalb | CPRX | Common Stock, par value $0.001 per share | Tax liability | -13.2% | -2,080 | 13,665 | 05 Jan 2026 | Direct | ||
| Michael W. Kalb | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 83% | 7,139 | 15,745 | 05 Jan 2026 | Direct | ||
| Michael W. Kalb | CPRX | Restricted Stock Units | Options Exercise | -1.12% | -7,139 | 632,903 | 05 Jan 2026 | Direct | ||
| Richard J. Daly | CPRX | Common Stock, par value $0.001 per share | Tax liability | -3.75% | -10,577 | 271,266 | 05 Jan 2026 | Direct | ||
| Richard J. Daly | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 17.6% | 42,105 | 281,843 | 05 Jan 2026 | Direct | ||
| Richard J. Daly | CPRX | Restricted Stock Units | Options Exercise | -1.58% | -42,105 | 2,618,539 | 05 Jan 2026 | Direct | ||
| Donald A. Denkhaus | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.27% | 1,334 | 498,773 | 29 Dec 2025 | Direct | ||
| Donald A. Denkhaus | CPRX | Restricted Stock Units | Options Exercise | -0.74% | -1,334 | 178,163 | 29 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Common Stock, par value $0.001 per share | Tax liability | -1.07% | -2,623 | 242,501 | 29 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 2.8% | 6,667 | 245,124 | 29 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Restricted Stock Units | Options Exercise | -0.69% | -6,667 | 956,142 | 29 Dec 2025 | Direct | ||
| David S. Tierney | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.35% | 1,334 | 383,314 | 29 Dec 2025 | Direct | ||
| David S. Tierney | CPRX | Restricted Stock Units | Options Exercise | -0.74% | -1,334 | 178,163 | 29 Dec 2025 | Direct | ||
| Preethi Sundaram | CPRX | Common Stock, par value $0.001 per share | Tax liability | -4.14% | -2,369 | 54,804 | 29 Dec 2025 | Direct | ||
| Preethi Sundaram | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 13.2% | 6,667 | 57,173 | 29 Dec 2025 | Direct | ||
| Preethi Sundaram | CPRX | Restricted Stock Units | Options Exercise | -0.83% | -6,667 | 798,437 | 29 Dec 2025 | Direct | ||
| Steve Miller | CPRX | Common stock, par value $0.001 per share | Options Exercise | 1.3% | 14,000 | 1,093,803 | 29 Dec 2025 | Direct | ||
| Steve Miller | CPRX | Restricted Stock Units | Options Exercise | -0.94% | -14,000 | 1,471,649 | 29 Dec 2025 | Direct | ||
| Molly Harper | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 56.5% | 1,334 | 3,694 | 29 Dec 2025 | Direct | ||
| Molly Harper | CPRX | Restricted Stock Units | Options Exercise | -1.04% | -1,334 | 127,163 | 29 Dec 2025 | Direct | ||
| Patrick J. McEnany | CPRX | Common Stock, par value $0.001 per share | Tax liability | -0.16% | -6,786 | 4,171,559 | 29 Dec 2025 | Direct | ||
| Patrick J. McEnany | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.63% | 26,334 | 4,178,345 | 29 Dec 2025 | Direct | ||
| Patrick J. McEnany | CPRX | Restricted Stock Units | Options Exercise | -1.4% | -26,334 | 1,851,948 | 29 Dec 2025 | Direct | ||
| Richard J. Daly | CPRX | Common Stock, par value $0.001 per share | Tax liability | -0.22% | -524 | 239,738 | 29 Dec 2025 | Direct | ||
| Richard J. Daly | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.56% | 1,334 | 240,262 | 29 Dec 2025 | Direct | ||
| Richard J. Daly | CPRX | Restricted Stock Units | Options Exercise | -0.05% | -1,334 | 2,660,644 | 29 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Common Stock, par value $0.001 per share | Tax liability | -21.1% | -3,839 | 14,337 | 29 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 91.2% | 8,667 | 18,176 | 29 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Restricted Stock Units | Options Exercise | -0.83% | -8,667 | 1,036,846 | 29 Dec 2025 | Direct | ||
| Molly Harper | CPRX | Common stock, par value $0.001 per share | Sale | -91.9% | $621,920 | $23.25 | -26,746 | 2,360 | 12 Dec 2025 | Direct |
| Molly Harper | CPRX | Common stock, par value $0.001 per share | Options Exercise | 219.6% | 20,000 | 29,106 | 12 Dec 2025 | Direct | ||
| Molly Harper | CPRX | Options to purchase common stock | Options Exercise | -13.5% | -20,000 | 128,497 | 12 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Common Stock, par value $0.001 per share | Tax liability | -1.15% | -2,780 | 238,457 | 08 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 3.02% | 7,067 | 241,237 | 08 Dec 2025 | Direct | ||
| Brian Elsbernd | CPRX | Restricted Stock Units | Options Exercise | -0.73% | -7,067 | 962,809 | 08 Dec 2025 | Direct | ||
| Steve Miller | CPRX | Common stock, par value $0.001 per share | Options Exercise | 1.11% | 11,873 | 1,079,803 | 08 Dec 2025 | Direct | ||
| Steve Miller | CPRX | Restricted Stock Units | Options Exercise | -0.79% | -11,873 | 1,485,649 | 08 Dec 2025 | Direct | ||
| David S. Tierney | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.37% | 1,413 | 381,980 | 08 Dec 2025 | Direct | ||
| David S. Tierney | CPRX | Restricted Stock Units | Options Exercise | -0.78% | -1,413 | 179,497 | 08 Dec 2025 | Direct | ||
| Tamar Thompson | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 59.9% | 1,413 | 3,773 | 08 Dec 2025 | Direct | ||
| Tamar Thompson | CPRX | Restricted Stock Units | Options Exercise | -1.17% | -1,413 | 119,663 | 08 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Common Stock, par value $0.001 per share | Tax liability | -20.8% | -2,492 | 9,509 | 08 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 202.9% | 8,039 | 12,001 | 08 Dec 2025 | Direct | ||
| Jeffrey del Carmen | CPRX | Restricted Stock Units | Options Exercise | -0.76% | -8,039 | 1,045,513 | 08 Dec 2025 | Direct | ||
| Patrick J. McEnany | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 0.09% | 3,534 | 4,152,011 | 08 Dec 2025 | Direct | ||
| Patrick J. McEnany | CPRX | Restricted Stock Units | Options Exercise | -0.19% | -3,534 | 1,878,282 | 08 Dec 2025 | Direct | ||
| Molly Harper | CPRX | Common Stock, par value $0.001 per share | Options Exercise | 18.4% | 1,413 | 9,106 | 08 Dec 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.