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Independent Researchcapital-marketsFiling Red FlagsData Desk
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SEC filing red flags, week of Oct 26 to 30, 2026

1 late filing notice, 1 non reliance warning, 3 auditor changes, 10 listing deficiency notices and 8 going concern warnings at companies listed on Nasdaq or the NYSE, each line matched to the filing.

Octans ResearchPublished

Snapshot

From Oct 26, 2026 to Oct 30, 2026, 23 companies listed on Nasdaq or the NYSE made 23 filings on this list: 1 late filing notice, 1 non reliance warning, 3 auditor changes, 10 listing deficiency notices and 8 going concern warnings. The largest by public float is Citizens Financial (CFG), which reported a change of independent auditor on October 28, 2026 (Item 4.01).

Coverage
Independent Research
Prepared by
Octans Research
How produced
AI drafted from cited sources, automated checks
Sector
capital-markets
Tickers
CFG · BHVN · ACH · PHAT · MVIS · DBVT · REKR · MIST · NXXT · BAER · NMRA · YHNA · DVLT · ABOS · ACTU · BCTX · RFL · CIIT · OPTT · PARA · ZEO · BBLG · NKLR
As of

Market Data

Latest prices for the companies covered in this article
Company1D %Price
($CFG)▼ −2.17%63.81
($BHVN)▼ −6.49%15.42
($ACH)▲ +9.10%0.25
($PHAT)▼ −7.72%5.74
($MVIS)▼ −6.25%1.35
($DBVT)▼ −7.77%9.49
($REKR)▲ +1.79%0.40
($MIST)▼ −7.55%0.73

as of 16:00 ET · Realtime derived data

What We Know

Late filing notices. • Tianci International (CIIT) filed a notice that its annual report for the period ended July 31, 2026 will be late. Filed Oct 29.

Non reliance on past financial statements. • Datavault AI (DVLT) said on October 20, 2026 that previously issued financial statements should no longer be relied upon (Item 4.02). Filed Oct 26.

Auditor changes. • Citizens Financial (CFG) reported a change of independent auditor on October 28, 2026 (Item 4.01). Filed Oct 30. • Ocean Power Technologies (OPTT) reported a change of independent auditor (Item 4.01). It reported no disagreements with the former auditor. The filing mentions a material weakness in internal control. Filed Oct 28. • Terra Innovatum Global (NKLR) reported a change of independent auditor (Item 4.01). Filed Oct 27.

Exchange listing deficiency notices. • Accendra Health (ACH) disclosed on October 27, 2026 a notice from the NYSE that it does not meet the stockholders' equity requirement (Item 3.01). Filed Oct 30. • Rekor Systems (REKR) disclosed on October 27, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement, after its shares closed below $1.00 for 30 consecutive business days (Item 3.01). Filed Oct 27. • Milestone Pharmaceuticals (MIST) disclosed on October 23, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement, after its shares closed below $1.00 for 30 consecutive business days (Item 3.01). Filed Oct 28. • NextNRG (NXXT) disclosed a notice from Nasdaq that it does not meet the minimum bid price requirement, after its shares closed below $1.00 for 30 consecutive business days (Item 3.01). Filed Oct 27. • Bridger Aerospace (BAER) disclosed on October 28, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement (Item 3.01). Filed Oct 30. • Neumora Therapeutics (NMRA) disclosed on October 26, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement (Item 3.01). Filed Oct 30. • YHN Acquisition I (YHNA) disclosed a notice from Nasdaq that it does not meet a continued listing requirement (Item 3.01). Filed Oct 26. • Actuate Therapeutics (ACTU) disclosed on October 28, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement, after its shares closed below $1.00 for 30 consecutive business days (Item 3.01). Filed Oct 30. • Banzai International (PARA) disclosed on October 27, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement, after its shares closed below $1.00 for 30 consecutive business days (Item 3.01). Filed Oct 30. • Zeo Energy (ZEO) disclosed on October 26, 2026 a notice from Nasdaq that it does not meet the minimum bid price requirement (Item 3.01). Filed Oct 26.

Going concern warnings. • Biohaven (BHVN) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 29. • Phathom Pharmaceuticals (PHAT) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 29. • MicroVision (MVIS) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 30. • DBV Technologies (DBVT) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 28. • Acumen Pharmaceuticals (ABOS) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 26. • BriaCell Therapeutics (BCTX) said in its annual report for the period ended July 31, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 28. • Rafael (RFL) said in its annual report for the period ended July 31, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 29. • Bone Biologics (BBLG) said in its quarterly report for the period ended September 30, 2026 that there is substantial doubt about its ability to continue as a going concern. Filed Oct 26.

Octans View

The longest section this week is listing deficiency notices (10). A notice is a disclosure, not a verdict: many late filers file within the extension period, and auditor changes are routine at small companies. The heavier lines are non reliance warnings and going concern language, because they speak to whether past numbers can be trusted and whether the company can keep operating.

Bear Case · Room for Disagreement

Limits. The list covers companies whose primary listing is on Nasdaq or the NYSE in the SEC's company ticker file, filings dated Monday to Friday, and at most 10 companies a section, largest public float first. A listing deficiency notice usually comes with a cure period, and a late filing notice is often followed by the report within days. Amended filings are not included.

Method and source. Filings are found through EDGAR full text search by form type, current report item number (4.01, 4.02, 3.01) and, for going concern warnings, the phrase "substantial doubt" with "going concern" in a sentence that is not negated. Each line is generated from the filing by a fixed template, and every number in a line appears in the filing text. No model wrote this list.

Chart

$CFG adjusted close, last 6 months $CFG adjusted close, last 6 months: series rising from 62.6 to 63.8 (+1.9%) from 2026-05-04 to 2026-10-30. Scale 55 to 75. 5560657075 2026-05-042026-10-30 $CFG ADJUSTED CLOSE, LAST 6 MONTHS +1.9% 63.81
Source: Tiingo · As of 2026-10-30Indicative, not investment advice.

Sources

  1. [1]SEC EDGAR — Tianci International late filing notice for its annual report, filed Oct 29, 2026
  2. [2]SEC EDGAR — Datavault AI current report, filed Oct 26, 2026
  3. [3]SEC EDGAR — Citizens Financial current report, filed Oct 30, 2026
  4. [4]SEC EDGAR — Ocean Power Technologies current report, filed Oct 28, 2026
  5. [5]SEC EDGAR — Terra Innovatum Global current report, filed Oct 27, 2026
  6. [6]SEC EDGAR — Accendra Health current report, filed Oct 30, 2026
  7. [7]SEC EDGAR — Rekor Systems current report, filed Oct 27, 2026
  8. [8]SEC EDGAR — Milestone Pharmaceuticals current report, filed Oct 28, 2026
  9. [9]SEC EDGAR — NextNRG current report, filed Oct 27, 2026
  10. [10]SEC EDGAR — Bridger Aerospace current report, filed Oct 30, 2026
  11. [11]SEC EDGAR — Neumora Therapeutics current report, filed Oct 30, 2026
  12. [12]SEC EDGAR — YHN Acquisition I current report, filed Oct 26, 2026
  13. [13]SEC EDGAR — Actuate Therapeutics current report, filed Oct 30, 2026
  14. [14]SEC EDGAR — Banzai International current report, filed Oct 30, 2026
  15. [15]SEC EDGAR — Zeo Energy current report, filed Oct 26, 2026
  16. [16]SEC EDGAR — Biohaven quarterly report, filed Oct 29, 2026
  17. [17]SEC EDGAR — Phathom Pharmaceuticals quarterly report, filed Oct 29, 2026
  18. [18]SEC EDGAR — MicroVision quarterly report, filed Oct 30, 2026
  19. [19]SEC EDGAR — DBV Technologies quarterly report, filed Oct 28, 2026
  20. [20]SEC EDGAR — Acumen Pharmaceuticals quarterly report, filed Oct 26, 2026
  21. [21]SEC EDGAR — BriaCell Therapeutics annual report, filed Oct 28, 2026
  22. [22]SEC EDGAR — Rafael annual report, filed Oct 29, 2026
  23. [23]SEC EDGAR — Bone Biologics quarterly report, filed Oct 26, 2026

These are the sources this piece was drafted from. How we verify. Found an error? Tell us and we correct it in public.

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