DREDGECAP
NASDAQ·Pharmaceutical Preparations

TLSATiziana Life Sciences Ltd

Tiziana Life Sciences Ltd (TLSA) has delinquent SEC filing, delisting / deregistration notice, and auditor change flags.

Last filing: filing·May 1, 2026EDGAR ↗

TLSA Risk Flags

Consolidated view of every risk_flag row TLSAhas surfaced across DredgeCap's extractor pipeline (auditor changes, late filings, delistings, going-concern, dilution, etc.). Each row carries a verbatim source_excerpt and links to the source SEC filing on EDGAR.

CategorySeveritySourceExcerptEDGAR
Late FilingmediumNT 20-F · Apr 29, 2022Form NT 20-F filed 2022-04-29 (accession 0001213900-22-022724) notified the SEC of delayed 20-F filing for period ending 2021-12-31. Substantive filing landed 2022-05-23 (accession 0001213900-22-028645), 23 days after the 2022-04-30 filing …view ↗
Delistingmedium25-NSE · Oct 20, 2021Form 25-NSE filed 2021-10-20 (accession 0001354457-21-001195) notifies SEC of the removal of a class of securities from listing. No companion Form 15 deregistration detected within 12 months (issuer remains a reporting company as of 2026-05…view ↗
Late FilingmediumNT 20-F · Apr 30, 2021Form NT 20-F filed 2021-04-30 (accession 0001213900-21-023713) notified the SEC of delayed 20-F filing for period ending 2020-12-31. Substantive filing landed 2021-05-17 (accession 0001213900-21-027177), 17 days after the 2021-04-30 filing …view ↗
Late FilingmediumNT 20-F · Jun 15, 2020Form NT 20-F filed 2020-06-15 (accession 0001213900-20-015006) notified the SEC of delayed 20-F filing for period ending 2019-12-31. Substantive filing landed 2020-06-17 (accession 0001213900-20-015211), 49 days after the 2020-04-29 filing …view ↗
Late FilinglowNT 20-F · Apr 30, 2026Form NT 20-F filed 2026-04-30 (accession 0001213900-26-050353) notified the SEC of delayed 20-F filing for period ending 2025-12-31. Substantive filing landed 2026-05-01 (accession 0001213900-26-051015), 1 days after the 2026-04-30 filing d…view ↗
Late FilinglowNT 20-F · Apr 30, 2025Form NT 20-F filed 2025-04-30 (accession 0001213900-25-037710) notified the SEC of delayed 20-F filing for period ending 2024-12-31. Substantive filing landed 2025-05-06 (accession 0001213900-25-040218), 6 days after the 2025-04-30 filing d…view ↗
Late FilinglowNT 20-F · Apr 30, 2024Form NT 20-F filed 2024-04-30 (accession 0001213900-24-037921) notified the SEC of delayed 20-F filing for period ending 2023-12-31. Substantive filing landed 2024-05-10 (accession 0001213900-24-041808), 11 days after the 2024-04-29 filing …view ↗
Auditor Changelow20-F/A · Jun 13, 2023PCAOB-tagged auditor in 20-F/A filed 2023-06-13 (accession 0001213900-23-048446) was 'PKF Littlejohn LLP' (PCAOB Firm ID: 2814). Prior 20-F filed 2022-05-23 (accession 0001213900-22-028645) was 'Mazars LLP' (PCAOB Firm ID: 1401).view ↗

Related on TLSA

Auditor & opinion →
Source for auditor_change + going-concern flags.
Share-count dilution →
Source for dilution + convertible-debt flags.
Risk-flag rows are produced by DredgeCap's extractor pipeline (lib/extract-auditor-changes, extract-late-filings, etc.). Each row carries a verbatim source_excerpt from the underlying SEC filing — no AI-generated language. Refresh runs daily. Not financial advice.