OTC FILING WATCH · LIVEOfficial-source OTC filing intelligence
AUTOMATED SEC FILING DILIGENCE BRIEF
PUBLIC-RECORD DELIVERY

OTC issuer

CIK 0001831868SEC observed OTC

Automatically organized from the issuer’s official SEC submissions index. This brief is the starting evidence layer for buyer, FA, legal and broker-dealer review—not a legal conclusion or safety rating.

Open issuer dossier
Reporting & material events67

captured official filings

Registration & offering29

captured official filings

Ownership53

captured official filings

Governance11

captured official filings

WHAT THIS AUTOMATES

One evidence index instead of a manual filing hunt.

It groups recent reporting, registration/offer, ownership and governance filings, preserves the SEC source link and keeps a reusable chronology in the issuer’s record.

PROFESSIONAL DELIVERY LAYER

What teams can pay to automate next.

Cross-version text comparison, monitored alerts, change-specific diligence questions, CSV/PDF exports and a shared deal-team brief are the professional workflow built on this public evidence layer.

MACHINE-DETECTED FILING CHANGE RADAR

Public registration text delta

Comparing S-1 filed 2026-04-28 with S-1/A filed 2026-05-07.

Earlier SEC filingLatest SEC filing
334latest comparable sentences
8new-text candidates
8prior-text candidates not found

Tracked-term count changes

Counts are navigation signals, not conclusions. Open both official filings to determine materiality.

  • shares237 → 246+9
  • management22 → 19-3
  • offering50 → 51+1

Candidate disclosure excerpts

Only sentence-level additions or removals containing tracked diligence terms are shown. These are reading cues, not materiality findings.

New in latest filing
  • The aggregate shares being registered hereunder is 2,000,000 shares of the registrant’s common stock.
  • The aggregate shares being registered hereunder is up to 2,000,000 shares of Common Stock.
  • This Amendment No. 1 to Form S-1 is being filed to clarify the number of shares being registered pursuant to this Registration Statement.
Present in earlier filing, not found in latest
  • The combined prospectus in this registration statement, upon effectiveness, shall act as Post-Effective Amendment No. 1 on Form S-1 to the May 2025 Registration Statement and contains an updated prospectus relating to the offering and sale of shares of the registrant’s common stock issued in its public offering consummated
  • PRELIMINARY PROSPECTUS (Subject to Completion) Dated April 28, 2026 Up to 1,664,543 Shares Common Stock SeaStar Medical Holding Corporation This prospectus relates to the resale, from time to time, of up to 1,664,543 shares of our Common Stock by Lincoln Park Capital Fund, LLC (“Lincoln Park” or the “selling st
  • On April 25, 2025, we entered into the Purchase Agreement with Lincoln Park, pursuant to which Lincoln Park committed to purchase up to $ 14,657,887.43 million of our Common Stock, and we issued the Commitment Shares.

Method: readable plain text is extracted from two official SEC HTML filings, then compared at sentence and tracked-term level. Formatting, exhibit differences and boilerplate may create false positives. This radar is not legal advice, a disclosure completeness opinion or a transaction recommendation.

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PUBLIC-RECORD DISCLOSURE SCREEN

Financing, legal and disclosure cues

Machine screening of the latest readable SEC filing text. It surfaces language for review; it does not label an issuer, confirm an event or produce a risk score.

TERM CUES OBSERVED199

Financing disclosure cues

Convertible instruments, placements and financing-agreement wording in screened SEC filing text.

  • 8-K · 2026-07-01 · SEC source

    “…831868 2026-06-25 2026-06-25 0001831868 icu:CommonStockCustomMember 2026-06-25 2026-06-25 0001831868 icu:WarrantsEachWholeWarrantExercisableForOneShareOfCommonStockFor1150PerShareCustomMember 2026-06-25 2026-06-25 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CU…”

  • 8-K · 2026-06-17 · SEC source

    “…831868 2026-06-17 2026-06-17 0001831868 icu:CommonStockCustomMember 2026-06-17 2026-06-17 0001831868 icu:WarrantsCustomMember 2026-06-17 2026-06-17 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exc…”

TERM CUES OBSERVED43

Legal-proceeding disclosure cues

Litigation and legal-proceedings wording in screened SEC filing text.

  • 424B3 · 2026-05-13 · SEC source

    “…ment personnel; ● disputes or other developments related to proprietary rights, including patents, litigation matters and our ability to obtain patent protection for our technologies; 9 OUR AGREEMENTS WITH LINCOLN PARK Overview On April 25, 2025, we entered into the Purchase Agreement and the…”

  • 10-Q · 2026-05-13 · SEC source

    “…isclosures About Market Risk 28 Item 4. Controls and Procedures 28 PART II. OTHER INFORMATION 29 Item 1. Legal Proceedings 29 Item 1A. Risk Factors 29 Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 32 Item 3. Defaults Upon Senior Securities 32 Item 4. Mine Safety Disclosures 32 …”

NO TERM CUE OBSERVED0

Tax / lien disclosure cues

Tax-liability and lien wording in screened SEC filing text.

No matching term was found in the 4 readable SEC filings screened.
NO TERM CUE OBSERVED0

Regulatory disclosure cues

Agency inquiry, enforcement and trading-status wording in screened SEC filing text.

No matching term was found in the 4 readable SEC filings screened.
View screened SEC sources (4)
8-K · 2026-07-018-K · 2026-06-17424B3 · 2026-05-1310-Q · 2026-05-13

Coverage boundary: this is a keyword screen of selected SEC filings only. It is not a court-docket search, tax-compliance review, lien clearance, sanctions screen, adverse-media search or a complete count of financings. A zero result means no matching term in the readable documents screened—not that the underlying issue is absent. Verify each cue in the linked official filing and use the appropriate independent professionals.

CAPITAL & OFFERING RECORD

Official filing path for financing review

Registration, amendment, prospectus, shelf and current-report nodes are organized here as a reading path. Use the SEC source for terms, status and materiality.

Browse all captured financing filings →
6registration / amendment nodes
21prospectus nodes
0shelf / follow-on nodes
53current-report nodes to review
  1. 8-K
    Current report — review financing contextOpen SEC source →
  2. 8-K
    Current report — review financing contextOpen SEC source →
  3. 424B3
    Prospectus / offering documentOpen SEC source →
  4. 8-K
    Current report — review financing contextOpen SEC source →
  5. S-1/A
    Registration amendmentOpen SEC source →
  6. S-1
    Initial registration statementOpen SEC source →
  7. 8-K
    Current report — review financing contextOpen SEC source →
  8. 8-K
    Current report — review financing contextOpen SEC source →
  9. 8-K
    Current report — review financing contextOpen SEC source →
  10. 8-K
    Current report — review financing contextOpen SEC source →
  11. 424B5
    Prospectus / offering documentOpen SEC source →
  12. 8-K
    Current report — review financing contextOpen SEC source →
  13. 8-K
    Current report — review financing contextOpen SEC source →
  14. 424B5
    Prospectus / offering documentOpen SEC source →
  15. 8-K
    Current report — review financing contextOpen SEC source →
  16. 8-K
    Current report — review financing contextOpen SEC source →
  17. 8-K
    Current report — review financing contextOpen SEC source →
  18. 8-K
    Current report — review financing contextOpen SEC source →
  19. S-1
    Initial registration statementOpen SEC source →
  20. 8-K
    Current report — review financing contextOpen SEC source →
  21. 424B5
    Prospectus / offering documentOpen SEC source →
  22. 8-K
    Current report — review financing contextOpen SEC source →

Interpretation boundary: filing counts are not financing-round counts, proceeds, closing status or current capitalization. A registration, prospectus or report can relate to different purposes; use the linked official filing and appropriate advisers to verify each event.

KEY OFFERING LANGUAGE

What the latest offering documents say

Candidate sentence excerpts from readable official SEC filing text. This provides a fast reading layer for offering structure and terms; it is not a normalized term sheet or a transaction conclusion.

CANDIDATE LANGUAGE OBSERVED

Offering structure

Candidate language describing the securities or registration structure.

“424B3 1 ea0290699-424b3_seastar.htm PROSPECTUS Filed Pursuant to Rule 424(b)(3) Registration No. 333-295384 PROSPECTUS Up to 2,000,000 Shares Common Stock SeaStar Medical Holding Corporation This prospectus relates to the resale, from time to time, of up to 2,000,000 shares of our Common Stock by Lincoln Park Capital Fund, LLC (“Lincoln Park” or the “selling stockholder”).”
424B3 · 2026-05-13 · Open SEC source →
CANDIDATE LANGUAGE OBSERVED

Shares / price

Candidate language about shares, units or offering-price terms.

“The shares of Common Stock being offered by the selling stockholder have been or may be purchased pursuant to the purchase agreement, dated April 25, 2025, that we entered into with Lincoln Park (the “Purchase Agreement”).”
424B3 · 2026-05-13 · Open SEC source →
CANDIDATE LANGUAGE OBSERVED

Use of proceeds

Candidate language describing stated proceeds or intended use.

“TABLE OF CONTENTS ABOUT THIS PROSPECTUS ii CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS iii SUMMARY 1 THE OFFERING 5 RISK FACTORS 6 OUR AGREEMENTS WITH LINCOLN PARK 10 USE OF PROCEEDS 14 SELLING STOCKHOLDER 15 DILUTION 16 PLAN OF DISTRIBUTION 17 MATERIAL U.S.”
424B3 · 2026-05-13 · Open SEC source →
CANDIDATE LANGUAGE OBSERVED

Convertible / warrant terms

Candidate language about conversion, warrants or related instruments.

“The Unadjusted Warrants retain an $11.50 exercise price each and require the exercise of 250 warrants to purchase one share of Common Stock.”
424B3 · 2026-05-13 · Open SEC source →
View offering documents screened (5)
424B3 · 2026-05-13S-1/A · 2026-05-07S-1 · 2026-04-28424B5 · 2025-11-20424B5 · 2025-10-14

Extraction boundary: wording can be incomplete, duplicated, conditional or superseded by later filings. The system does not calculate proceeds, share counts, dilution or closing status from these excerpts. Verify every term in the linked official SEC filing.

OFFICIAL SEC SUBMISSIONS

Captured filing chronology

Open Evidence Snapshot →
  1. 4
    OwnershipOpen SEC filing →
  2. 4
    OwnershipOpen SEC filing →
  3. 4
    OwnershipOpen SEC filing →
  4. 4
    OwnershipOpen SEC filing →
  5. 4
    OwnershipOpen SEC filing →
  6. 4
    OwnershipOpen SEC filing →
  7. 8-K
    Reporting & material eventsOpen SEC filing →
  8. 8-K/A
    Reporting & material eventsOpen SEC filing →
  9. 8-K
    Reporting & material eventsOpen SEC filing →
  10. 424B3
    Registration & offeringOpen SEC filing →
  11. 10-Q
    Reporting & material eventsOpen SEC filing →
  12. 8-K
    Reporting & material eventsOpen SEC filing →
  13. EFFECT
    Registration & offeringOpen SEC filing →
  14. S-1/A
    Registration & offeringOpen SEC filing →
  15. EFFECT
    Registration & offeringOpen SEC filing →
  16. EFFECT
    Registration & offeringOpen SEC filing →
  17. EFFECT
    Registration & offeringOpen SEC filing →
  18. DEF 14A
    GovernanceOpen SEC filing →
  19. S-1
    Registration & offeringOpen SEC filing →
  20. 8-K
    Reporting & material eventsOpen SEC filing →
  21. 10-K
    Reporting & material eventsOpen SEC filing →
  22. 8-K
    Reporting & material eventsOpen SEC filing →
  23. 4
    OwnershipOpen SEC filing →
  24. 4
    OwnershipOpen SEC filing →
  25. 4
    OwnershipOpen SEC filing →
  26. 4
    OwnershipOpen SEC filing →
  27. 4
    OwnershipOpen SEC filing →
  28. 4
    OwnershipOpen SEC filing →
  29. 4
    OwnershipOpen SEC filing →
  30. 8-K
    Reporting & material eventsOpen SEC filing →
  31. 8-K/A
    Reporting & material eventsOpen SEC filing →
  32. 4
    OwnershipOpen SEC filing →
  33. 8-K
    Reporting & material eventsOpen SEC filing →
  34. 4
    OwnershipOpen SEC filing →
  35. 3
    OwnershipOpen SEC filing →
  36. 424B5
    Registration & offeringOpen SEC filing →
  37. 8-K
    Reporting & material eventsOpen SEC filing →
  38. DEF 14A
    GovernanceOpen SEC filing →
  39. 10-Q
    Reporting & material eventsOpen SEC filing →
  40. 8-K
    Reporting & material eventsOpen SEC filing →
  41. PRE 14A
    GovernanceOpen SEC filing →
  42. 424B5
    Registration & offeringOpen SEC filing →
  43. 8-K
    Reporting & material eventsOpen SEC filing →
  44. 8-K
    Reporting & material eventsOpen SEC filing →
  45. 3
    OwnershipOpen SEC filing →
  46. 4
    OwnershipOpen SEC filing →
  47. 4
    OwnershipOpen SEC filing →
  48. 8-K
    Reporting & material eventsOpen SEC filing →
  49. 8-K/A
    Reporting & material eventsOpen SEC filing →
  50. 10-Q
    Reporting & material eventsOpen SEC filing →
  51. 8-K
    Reporting & material eventsOpen SEC filing →
  52. EFFECT
    Registration & offeringOpen SEC filing →
  53. S-1
    Registration & offeringOpen SEC filing →
  54. 8-K
    Reporting & material eventsOpen SEC filing →
  55. 424B5
    Registration & offeringOpen SEC filing →
  56. 8-K/A
    Reporting & material eventsOpen SEC filing →
  57. 8-K
    Reporting & material eventsOpen SEC filing →
  58. 8-K
    Reporting & material eventsOpen SEC filing →
  59. 424B5
    Registration & offeringOpen SEC filing →
  60. 4
    OwnershipOpen SEC filing →
Evidence boundary

Only official SEC submission-index facts are automated here. The brief does not determine shell status, beneficial ownership, capitalization, legal compliance, valuation, active-trading status or transaction suitability. Those questions require the appropriate source documents and independently retained professionals.