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Shuttingdown

Lyra Therapeutics, Inc.

Surgical & Medical Instruments & Apparatus · WATERTOWN · MA

Distress signal

Moderate confidence (50%)

Updated Oct 18, 2026, 12:03 AM

What is happening

Derived by rule set status-rules-2026.09.7

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

Latest material event: Lyra Therapeutics, Inc. deregistered its securities (Apr 30, 2026)

Timeline

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

  1. Lyra Therapeutics, Inc. deregistered its securities

    Apr 30, 2026

    Registration withdrawn

    • SEC EDGAR — “15-12G 1 d126294d1512g.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 001-39273 Lyra Therapeutics, Inc. (Exact name of registrant as specified in its charter) 480 Arsenal Way Watertown, MA 02472 (617) 393-4600 (Address, including zip code, and telephone number, including area code, of registrant s princi…”

  2. Lyra Therapeutics, Inc. was delisted from its exchange

    Apr 20, 2026

    Delisting effective

    • SEC EDGAR — “25 1 d122205d25.htm 25 25 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-39273 LYRA THERAPEUTICS, INC. THE NASDAQ CAPITAL MARKET (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered) 480 Arsenal Way Watertown, Massachusetts 02472 (617) 393-4600 (Address, including zip code, and telephone number, including area code, of Issuer s principal executive offices) C…”

  3. Lyra Therapeutics, Inc. received a delisting notice from its exchange

    Feb 2, 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. On February 2, 2026, Lyra Therapeutics, Inc. (the Company ) received a letter (the Staff Determination Letter ) from the Listing Qualifications Department of The Nasdaq Stock Market LLC ( Nasdaq ) notifying the Company that Nasdaq has determined to delist the Company s common stock from The Nasdaq Stock Market. The Company has requested a hearing before a Nasdaq Hearings Panel to appeal Nasdaq s determination. In the Staff Determination Letter, Nasdaq stated that, pursuant to Listing…”

Company information

Founded
—
Employees (estimate)
—
Industry
Surgical & Medical Instruments & Apparatus
Subindustry
—
Listing
SEC lists the ticker LYRA on OTC.
SEC CIK
0001327273
Website
—
LinkedIn
—
Headquarters
WATERTOWN, MA
Also known as
480 Biomedical, Inc., Arsenal Medical, Inc., Arsenal Vascular, Inc., WMR Biomedical Inc
Legal entities
Lyra Therapeutics, Inc.

Sources

Every material source used to build this profile.

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    Lyra Therapeutics, Inc. — Surgical & Medical Instruments & Apparatus (SIC 3841) — WATERTOWN, MA
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    15-12G 1 d126294d1512g.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 001-39273 Lyra Therapeutics, Inc. (Exact name of registrant as specified in its charter) 480 Arsenal Way Watertown, MA 02472 (617) 393-4600 (Address, including zip code, and telephone number, including area code, of registrant s princi…
    View source record

  • SEC EDGAR (TIER 1 · UNVERIFIED)

    25 1 d122205d25.htm 25 25 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-39273 LYRA THERAPEUTICS, INC. THE NASDAQ CAPITAL MARKET (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered) 480 Arsenal Way Watertown, Massachusetts 02472 (617) 393-4600 (Address, including zip code, and telephone number, including area code, of Issuer s principal executive offices) C…
    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. On February 2, 2026, Lyra Therapeutics, Inc. (the Company ) received a letter (the Staff Determination Letter ) from the Listing Qualifications Department of The Nasdaq Stock Market LLC ( Nasdaq ) notifying the Company that Nasdaq has determined to delist the Company s common stock from The Nasdaq Stock Market. The Company has requested a hearing before a Nasdaq Hearings Panel to appeal Nasdaq s determination. In the Staff Determination Letter, Nasdaq stated that, pursuant to Listing…
    View source record

Status history

Every derived status, with the rule that produced it.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:28 AM

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

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:13 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, 12:33 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, 12:05 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, 12:02 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, 04:29 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, 04:04 AM

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