{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-25-006260","form_type":"8-K","ticker":"HBIO","cik":"0001123494","company_name":"HARVARD BIOSCIENCE INC","filed_at":"2025-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.838774+00:00","generated_at":"2026-05-17T04:41:57.533521+00:00","sec_items":["3.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Harvard Bioscience gets 180-day Nasdaq bid-price extension, transfers to Capital Market","bullets":["Nasdaq granted until March 30, 2026 to reach $1.00 minimum bid price for 10 consecutive days.","Common stock transferred from Nasdaq Global Market to Capital Market effective October 3, 2025; ticker HBIO remains.","Company previously disclosed deficiency in April 2025 when bid price fell below $1.00 for 30 consecutive days.","If compliance not met by March 30, 2026, delisting proceedings may begin; Company may consider a reverse stock split.","No assurance of regaining compliance; Company will monitor closing bid price and evaluate options."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-25-006260","json":"https://secwatch.observer/filing/0001171843-25-006260.json","markdown":"https://secwatch.observer/filing/0001171843-25-006260.md","text":"https://secwatch.observer/filing/0001171843-25-006260.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/f8k_100225.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:41:57.533521+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"c097b03b67aca8a752df9236e27d7d1936bc442e","claim":"HARVARD BIOSCIENCE INC received a nasdaq extension granted notice regarding minimum bid price (rules 5550(a)(2)).","evidence_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the “Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30, 2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on the Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum Bid Price Requirement”), based on the Company meeting","evidence_source":"SEC 8-K Item 3.01","evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","confidence":0.9}],"comparable_filings":[{"accession":"0001193125-26-251421","ticker":"GENC","company_name":"GENCOR INDUSTRIES INC","filed_at":"2026-06-01T20:09:26+00:00","headline":"Gencor receives NYSE American delinquency notice for late Q2 2026 10-Q filing","event_type":"regulatory","sec_items":["3.01","7.01","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251421","json":"https://secwatch.observer/filing/0001193125-26-251421.json","markdown":"https://secwatch.observer/filing/0001193125-26-251421.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/64472/000119312526251421/0001193125-26-251421-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/64472/000119312526251421/d135716d8k.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 19, 2026, Gencor Industries, Inc. (the “Company”) received a notice (the “Delinquency Notification”) from NYSE Regulation (the “NYSE”) indicating the Company was not in compliance with the NYSE American LLC (“NYSE American”) continued listing standards as a result of its failure to timely file its Quarterly Report on Form 10-Q for the period ended March 31, 2026 (the “Form 10-Q”) with the Securities and Exchange Commission (“SEC”) prior to May 18, 2026, the end of the extension period provided by Form 12b-25, and as a result was subject to the procedures set forth in Section 1007 of the NY","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/64472/000119312526251421/0001193125-26-251421-index.htm"}},{"accession":"0001683168-26-004399","ticker":"CSAI","company_name":"CLOUDASTRUCTURE, INC.","filed_at":"2026-05-29T21:09:11+00:00","headline":"Cloudastructure receives Nasdaq delinquency notice for late Q1 10-Q filing","event_type":"regulatory","sec_items":["3.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-26-004399","json":"https://secwatch.observer/filing/0001683168-26-004399.json","markdown":"https://secwatch.observer/filing/0001683168-26-004399.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1709628/000168316826004399/0001683168-26-004399-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1709628/000168316826004399/cloud_8k.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 26, 2026, Cloudastructure,\nInc. (the “Company”) received a notice (the “Notice”) from the Nasdaq Listing Qualifications staff of The Nasdaq\nStock Market LLC (“Nasdaq”) indicating that, as a result of not having timely filed its Quarterly Report on Form 10-Q for\nthe period ended March 31, 2026 (“Form 10-Q”), the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1), which\nrequires timely filing of all required periodic financial reports with the Securities and Exchange Commission. The Company requires additional\ntime to review and confirm the accounting treatment for its outstand","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1709628/000168316826004399/0001683168-26-004399-index.htm"}},{"accession":"0001493152-26-026412","ticker":"CETY","company_name":"Clean Energy Technologies, Inc.","filed_at":"2026-05-29T20:57:27+00:00","headline":"Clean Energy Technologies receives Nasdaq delisting notice for late Q1 filing","event_type":"regulatory","sec_items":["3.01"],"materiality_score":0.6,"calibrated_materiality_score":0.6,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-026412","json":"https://secwatch.observer/filing/0001493152-26-026412.json","markdown":"https://secwatch.observer/filing/0001493152-26-026412.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1329606/000149315226026412/0001493152-26-026412-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1329606/000149315226026412/form8-k.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 26, 2026, Clean Energy Technologies, Inc. (the “ Company ”) received a written notice (the “ Notice ”)\nfrom the Listing Qualifications Department of The Nasdaq Stock Market (“ Nasdaq ”) indicating that the Company is not\nin compliance with Nasdaq Listing Rule 5250(c)(1) (the “ Rule ”) because the Company had not yet filed its Quarterly\nReport on Form 10-Q for the period ended March 31, 2026 (the “ Quarterly Report ”). The\nRule requires listed companies to timely file all required periodic reports with the Securities and Exchange Commission. The Notice has\nno immediate effect on the listing","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1329606/000149315226026412/0001493152-26-026412-index.htm"}},{"accession":"0001193805-26-000723","ticker":"GURE","company_name":"GULF RESOURCES, INC.","filed_at":"2026-05-29T20:45:30+00:00","headline":"Gulf Resources receives Nasdaq delisting notice for late Q1 2026 10-Q filing","event_type":"regulatory","sec_items":["3.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193805-26-000723","json":"https://secwatch.observer/filing/0001193805-26-000723.json","markdown":"https://secwatch.observer/filing/0001193805-26-000723.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/885462/000119380526000723/0001193805-26-000723-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/885462/000119380526000723/e665526_8k-gulfresources.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 26, 2026, Gulf Resources\n(the “Company”) received a notice (the “Notice”) from the Listing Qualifications Department of The Nasdaq\nStock Market LLC (“Nasdaq”), indicating that, as a result of not having timely filed its quarterly report on Form 10-Q for\nthe quarter ended March 31, 2026 (the “Form 10-Q”), and the Company remains delinquent in filing its annual report on Form\n10-K for the year ended December 31, 2025 (the “Initial Delinquent Filing”), the Company is in non-compliance with Nasdaq\nListing Rule 5250(c)(1), which requires timely filing all required periodic financial reports wit","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/885462/000119380526000723/0001193805-26-000723-index.htm"}},{"accession":"0001628280-26-039190","ticker":"FTHM","company_name":"Fathom Holdings Inc.","filed_at":"2026-05-29T20:15:13+00:00","headline":"Fathom Holdings receives Nasdaq notice for late Q1 2026 10-Q filing; 60 days to submit plan","event_type":"regulatory","sec_items":["3.01","9.01"],"materiality_score":0.6,"calibrated_materiality_score":0.6,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-039190","json":"https://secwatch.observer/filing/0001628280-26-039190.json","markdown":"https://secwatch.observer/filing/0001628280-26-039190.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1753162/000162828026039190/0001628280-26-039190-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1753162/000162828026039190/fthm-20260522.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 22, 2026, Fathom Holdings Inc. (the “Company”) received a notification letter from the Nasdaq Stock Market LLC (“Nasdaq”) indicating that, because the Company has not yet filed its Quarterly Report on Form 10-Q for the period ended March 31, 2026 (the “Form 10-Q”), the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1), which requires timely filing of all required periodic financial reports with the Securities and Exchange Commission (the “Filing Requirement”). In accordance with Nasdaq’s listing rules, the Company has 60 calendar days from the date of the notification letter","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1753162/000162828026039190/0001628280-26-039190-index.htm"}},{"accession":"0001493152-26-025629","ticker":"CDT","company_name":"CDT Equity Inc.","filed_at":"2026-05-28T20:30:30+00:00","headline":"CDT Equity receives Nasdaq deficiency letter for late Q1 10-Q filing; has until July 20 to submit plan","event_type":"regulatory","sec_items":["3.01","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-025629","json":"https://secwatch.observer/filing/0001493152-26-025629.json","markdown":"https://secwatch.observer/filing/0001493152-26-025629.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1896212/000149315226025629/0001493152-26-025629-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1896212/000149315226025629/form8-k.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 21, 2026, CDT Equity Inc. (the “Company”) received a deficiency letter (the “Notice”) from the Nasdaq Listing\nQualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it was not in compliance with\nNasdaq Listing Rule 5250(c)(1) (the “Periodic Filing Requirement”) because the Company did not file its Quarterly Report\non Form 10-Q for the three-month period ended March 31, 2026 (the “Form 10-Q”) in a timely manner, as required for continued\nlisting on The Nasdaq Capital Market. The Notice has no immediate effect on the listing or trading of the Company’s","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1896212/000149315226025629/0001493152-26-025629-index.htm"}},{"accession":"0001493152-26-025454","ticker":"GWAV","company_name":"Greenwave Technology Solutions, Inc.","filed_at":"2026-05-27T21:25:20+00:00","headline":"Greenwave receives second Nasdaq delinquency notice for late Q1 2026 10-Q filing","event_type":"regulatory","sec_items":["3.01","7.01","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-025454","json":"https://secwatch.observer/filing/0001493152-26-025454.json","markdown":"https://secwatch.observer/filing/0001493152-26-025454.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1589149/000149315226025454/0001493152-26-025454-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1589149/000149315226025454/form8-k.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 21, 2026, the Company received an additional delinquency notification letter (the “Notice”) from Nasdaq due to the Company’s\nfailure to timely file its Quarterly Report on Form 10-Q for the fiscal quarter ended March","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1589149/000149315226025454/0001493152-26-025454-index.htm"}},{"accession":"0001213900-26-061545","ticker":"CHAR","company_name":"Charlton Aria Acquisition Corp","filed_at":"2026-05-27T20:41:44+00:00","headline":"Charlton Aria receives Nasdaq delinquency notice for untimely Q1 10-Q filing","event_type":"regulatory","sec_items":["3.01","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: exchange_compliance_notice","same SEC item: 3.01","same event type: regulatory","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-061545","json":"https://secwatch.observer/filing/0001213900-26-061545.json","markdown":"https://secwatch.observer/filing/0001213900-26-061545.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2024459/000121390026061545/0001213900-26-061545-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2024459/000121390026061545/ea0292193-8k_charlton.htm"},"side_by_side_evidence":{"fact_type":"exchange_compliance_notice","source_excerpt":"October 2, 2025, Harvard Bioscience, Inc., (the\n“Company”) received a notification letter from the Nasdaq Listing Qualifications Department (the “Staff”) of The\nNasdaq Stock Market LLC (“Nasdaq”) notifying the Company that it had been granted an additional 180 days, or until March 30,\n2026 (the “Second Compliance Period”), to regain compliance with the minimum bid price requirement for continued listing on\nthe Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2), which requires a minimum bid price of $1.00 per share (the “Minimum\nBid Price Requirement”), based on the Company meeting","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1123494/000117184325006260/0001171843-25-006260-index.htm","comparable_excerpt":"May 22, 2026, Charlton\nAria Acquisition Corporation (the “ Company ”) received a letter (the “ Notice ”) from the Listing Qualifications\nDepartment of The Nasdaq Stock Market LLC (“ Nasdaq ”), notifying the Company that","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2024459/000121390026061545/0001213900-26-061545-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}