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Shuttingdown

HERON THERAPEUTICS, INC. /DE/

Pharmaceutical Preparations · SAN DIEGO

Distress signal

Moderate confidence (50%)

Updated Oct 20, 2026, 12:04 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: HERON THERAPEUTICS, INC. /DE/ received a delisting notice from its exchange (Jun 25, 2026)

Timeline

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

  1. HERON THERAPEUTICS, INC. /DE/ received a delisting notice from its exchange

    Jun 25, 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 June 25, 2026, Heron Therapeutics, Inc. (the Company ) received a written notice ( Notice ) from the Listing Qualifications Department of The Nasdaq Stock Market, LLC ( Nasdaq ) notifying it that the closing bid price of the Company s common shares over a period of thirty (30) consecutive trading days was below the minimum $1.00 per share requirement for continued listing on The Nasdaq Capital Market under Nasdaq Listing Rule 5550(a)(2) during the May 12, 2026 to June 24, 2026 peri…”

Company information

Founded
—
Employees (estimate)
—
Industry
Pharmaceutical Preparations
Subindustry
—
Listing
SEC lists the ticker HRTX on Nasdaq.
SEC CIK
0000818033
Website
—
LinkedIn
—
Headquarters
SAN DIEGO
Also known as
ADVANCED POLYMER SYSTEMS INC /DE/, AP PHARMA INC /DE/
Legal entities
HERON THERAPEUTICS, INC. /DE/

Sources

Every material source used to build this profile.

  • SEC Company Submissions (TIER 1 · UNVERIFIED)

    HERON THERAPEUTICS, INC. /DE/ — Pharmaceutical Preparations (SIC 2834) — SAN DIEGO, CA
    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 June 25, 2026, Heron Therapeutics, Inc. (the Company ) received a written notice ( Notice ) from the Listing Qualifications Department of The Nasdaq Stock Market, LLC ( Nasdaq ) notifying it that the closing bid price of the Company s common shares over a period of thirty (30) consecutive trading days was below the minimum $1.00 per share requirement for continued listing on The Nasdaq Capital Market under Nasdaq Listing Rule 5550(a)(2) during the May 12, 2026 to June 24, 2026 peri…
    View source record

Status history

Every derived status, with the rule that produced it.

  • DISTRESS_SIGNAL → DISTRESS_SIGNALLISTING_STANDARDS_WARNING · Sep 18, 2026, 01:30 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, 01:12 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, 12:35 PM

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

  • DISTRESS_SIGNAL → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 14, 2026, 04:44 PM

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

  • UNKNOWN → DISTRESS_SIGNALPUBLIC_LISTING_ENDED · Sep 8, 2026, 03:16 AM

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