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Shuttingdown

CATALYST PHARMACEUTICALS, INC.

Pharmaceutical Preparations · CORAL GABLES · FL

No longer listed

High confidence (85%)

Updated Oct 6, 2026, 12:04 AM

What is happening

Derived by rule set status-rules-2026.09.7

The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.

Latest material event: CATALYST PHARMACEUTICALS, INC. deregistered its securities (Jul 24, 2026)

Timeline

Every material event, newest first. History is never overwritten.

  1. CATALYST PHARMACEUTICALS, INC. deregistered its securities

    Jul 24, 2026

    Registration withdrawn

    • SEC EDGAR — “15-12G 1 d152809d1512g.htm 15-12G 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-33057 CATALYST PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) 355 Alhambra Circle Suite 801 Coral Gables, Florida 33134 (305) 420-3200 (Address, including zip code, and telephone number, including are…”

  2. CATALYST PHARMACEUTICALS, INC. received a delisting notice from its exchange

    Jul 15, 2026

    Delisting notice received

    • SEC EDGAR — “Item 3.01, Item 3.03, Item 5.01, Item 5.02 and Item 5.03 are incorporated herein by reference. Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. The disclosures under the Introductory Note are incorporated herein by reference. On July 15, 2026, the Company (i) notified the Nasdaq Capital Market ( Nasdaq ) of the consummation of the Merger and its intent to remove all Company Common Stock from Nasdaq and (ii) requested that Nasdaq (A) maintain the halt in trading of Company Common Stock, which was effective following the closing of af…”

  3. CATALYST PHARMACEUTICALS, INC. was delisted from its exchange

    Jul 15, 2026

    Delisting effective

    • SEC EDGAR — “X0203 0001354457 Nasdaq Stock Market LLC 0001369568 CATALYST PHARMACEUTICALS, INC. 001-33057 355 Alhambra Circle Suite 1250 Coral Gables FL FLORIDA 33134 +1 305 529-2522 Common Stock 17 CFR 240.12d2-2(a)(3) Katelin Rowe CDO Analyst 2026-07-15”

Company information

Founded
—
Employees (estimate)
—
Industry
Pharmaceutical Preparations
Subindustry
—
Listing
SEC lists the ticker CPRX on Nasdaq.
SEC CIK
0001369568
Website
—
LinkedIn
—
Headquarters
CORAL GABLES, FL
Also known as
Catalyst Pharmaceutical Partners, Inc., CATALYST PHARMACEUTICALS, INC.
Legal entities
CATALYST PHARMACEUTICALS, INC.

Sources

Every material source used to build this profile.

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    CATALYST PHARMACEUTICALS, INC. — Pharmaceutical Preparations (SIC 2834) — CORAL GABLES, FL
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    15-12G 1 d152809d1512g.htm 15-12G 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-33057 CATALYST PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) 355 Alhambra Circle Suite 801 Coral Gables, Florida 33134 (305) 420-3200 (Address, including zip code, and telephone number, including are…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    Item 3.01, Item 3.03, Item 5.01, Item 5.02 and Item 5.03 are incorporated herein by reference. Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. The disclosures under the Introductory Note are incorporated herein by reference. On July 15, 2026, the Company (i) notified the Nasdaq Capital Market ( Nasdaq ) of the consummation of the Merger and its intent to remove all Company Common Stock from Nasdaq and (ii) requested that Nasdaq (A) maintain the halt in trading of Company Common Stock, which was effective following the closing of af…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    X0203 0001354457 Nasdaq Stock Market LLC 0001369568 CATALYST PHARMACEUTICALS, INC. 001-33057 355 Alhambra Circle Suite 1250 Coral Gables FL FLORIDA 33134 +1 305 529-2522 Common Stock 17 CFR 240.12d2-2(a)(3) Katelin Rowe CDO Analyst 2026-07-15
    View source record

Status history

Every derived status, with the rule that produced it.

  • DISTRESS_SIGNAL → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:32 AM

    The company deregistered its securities and stopped filing with the SEC. Companies do that when they are acquired, when they go private, and when they fail; the filing does not say which.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:14 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 15, 2026, 12:34 PM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 12, 2026, 12:15 AM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 11, 2026, 12:03 AM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:27 AM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:21 AM

    An exchange warned the company it no longer meets the listing standards. Companies regain compliance often.

  • UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:21 AM

    The company stopped being publicly listed. That happens to failing companies and to acquired ones alike.