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Shuttingdown

Astria Therapeutics, Inc.

Pharmaceutical Preparations · BOSTON · MA

No longer listed

High confidence (85%)

Updated Oct 16, 2026, 12:03 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: Astria Therapeutics, Inc. deregistered its securities (Feb 2, 2026)

Timeline

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

  1. Astria Therapeutics, Inc. deregistered its securities

    Feb 2, 2026

    Registration withdrawn

    • SEC EDGAR — “15-12G 1 ef20064466_1512g.htm 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 001-37467 ASTRIA THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) 22 Boston Wharf Road 10 th Floor Boston, Massachusetts 02210 (617) 349-1971 (Address, including zip code, and telephone number, including area code,…”

  2. Astria Therapeutics, Inc. received a delisting notice from its exchange

    Jan 23, 2026

    Delisting notice received

    • SEC EDGAR — “Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. The information set forth in Item 2.01 of this Current Report on Form 8-K is incorporated into this Item 3.01 by reference. In connection with the closing of the Merger, Astria (i) notified The Nasdaq Global Market ( Nasdaq ) that the Merger was consummated and (ii) requested that Nasdaq (A) suspend trading of the shares of Astria Common Stock effective before the opening of trading on January 23, 2026, and (B) file with the SEC a Form 25 Notification of Removal from Listing and/or R…”

  3. Astria Therapeutics, Inc. was delisted from its exchange

    Jan 23, 2026

    Delisting effective

    • SEC EDGAR — “X0203 0001354457 Nasdaq Stock Market LLC 0001454789 Astria Therapeutics, Inc. 001-37467 22 Boston Wharf Road, 10th Floor Boston IL ILLINOIS 02210 617-475-2423 common stock 17 CFR 240.12d2-2(a)(3) Tara Petta AVP 2026-01-23”

Company information

Founded
—
Employees (estimate)
—
Industry
Pharmaceutical Preparations
Subindustry
—
SEC CIK
0001454789
Website
—
LinkedIn
—
Headquarters
BOSTON, MA
Also known as
CATABASIS PHARMACEUTICALS INC
Legal entities
Astria Therapeutics, Inc.

Sources

Every material source used to build this profile.

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    Astria Therapeutics, Inc. — Pharmaceutical Preparations (SIC 2834) — BOSTON, MA
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    15-12G 1 ef20064466_1512g.htm 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 001-37467 ASTRIA THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) 22 Boston Wharf Road 10 th Floor Boston, Massachusetts 02210 (617) 349-1971 (Address, including zip code, and telephone number, including area code,…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    X0203 0001354457 Nasdaq Stock Market LLC 0001454789 Astria Therapeutics, Inc. 001-37467 22 Boston Wharf Road, 10th Floor Boston IL ILLINOIS 02210 617-475-2423 common stock 17 CFR 240.12d2-2(a)(3) Tara Petta AVP 2026-01-23
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. The information set forth in Item 2.01 of this Current Report on Form 8-K is incorporated into this Item 3.01 by reference. In connection with the closing of the Merger, Astria (i) notified The Nasdaq Global Market ( Nasdaq ) that the Merger was consummated and (ii) requested that Nasdaq (A) suspend trading of the shares of Astria Common Stock effective before the opening of trading on January 23, 2026, and (B) file with the SEC a Form 25 Notification of Removal from Listing and/or R…
    View source record

Status history

Every derived status, with the rule that produced it.

  • DISTRESS_SIGNAL → NO_LONGER_LISTEDPUBLIC_LISTING_ENDED · Sep 18, 2026, 01:29 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, 12:31 PM

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

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 13, 2026, 12:04 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, 03:59 AM

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

  • UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:59 AM

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