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[SCHEDULE 13G/A] SeaStar Medical Holding Corporation SEC Filing

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13G/A
Rhea-AI Filing Summary

Three reporting persons � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) and Waqas Khatri � report beneficial ownership of 294,361 shares of SeaStar Medical Holding Corp common stock. The filing states these shares are issuable upon exercise of warrants and that the issuable shares are subject to a 9.99% beneficial ownership blocker. The calculation of the 2.56% holding uses 11,203,752 shares outstanding as the reference base.

This ownership is held through an investment vehicle managed by Ayrton Capital, with sole voting and dispositive power reported for each reporting person. The statement certifies the holdings were acquired and are held in the ordinary course of business.

Tre soggetti comunicanti � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) e Waqas Khatri � dichiarano la titolarità beneficiaria di 294,361 azioni ordinarie di SeaStar Medical Holding Corp. Il deposito indica che queste azioni sono emettibili all'esercizio di warrant e che le azioni emettibili sono soggette a un limite di possesso pari al 9,99%. Il calcolo della partecipazione del 2,56% utilizza 11,203,752 azioni in circolazione come base di riferimento.

Questa partecipazione è detenuta tramite un veicolo d'investimento gestito da Ayrton Capital, e a ciascun soggetto comunicante è attribuito il potere esclusivo di voto e di disposizione. La dichiarazione certifica che le partecipazioni sono state acquisite e sono detenute nell'ordinario corso dell'attività.

Tres personas informantes � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) y Waqas Khatri � informan de la titularidad beneficiaria de 294,361 acciones ordinarias de SeaStar Medical Holding Corp. La presentación indica que estas acciones son emitibles al ejercicio de warrants y que las acciones emitibles están sujetas a un límite de titularidad beneficiaria del 9,99%. El cálculo de la participación del 2,56% utiliza 11,203,752 acciones en circulación como base de referencia.

Esta participación se mantiene a través de un vehículo de inversión gestionado por Ayrton Capital, y para cada persona informante se declara el poder exclusivo de voto y de disposición. La declaración certifica que las participaciones se adquirieron y se mantienen en el curso ordinario del negocio.

ì„� ëª…ì˜ ë³´ê³ ìž� â€� Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) ë°� Waqas Khatri â€� ê°€ SeaStar Medical Holding Corp 보통ì£� 294,361ì£¼ì˜ ì‹¤ì§ˆ ì†Œìœ ê¶Œì„ ë³´ê³ í•©ë‹ˆë‹�. 제출서류ì—는 ì� 주ì‹ë“¤ì´ 워런íŠ� 행사 ì‹� 발행ë� ìˆ� 있는 주ì‹ì´ë©° 발행 가능한 주ì‹ì€ 9.99%ì� 실질 소유 제한ì� 받는다고 명시ë˜ì–´ 있습니다. 2.56%ì� 보유 비율 ì‚°ì¶œì—는 11,203,752ì£¼ì˜ ìœ í†µ ì£¼ì‹ ìˆ˜ê°€ 기준으로 사용ë˜ì—ˆìŠµë‹ˆë‹�.

ì� ì†Œìœ ê¶Œì€ Ayrton Capitalì� 운용하는 íˆ¬ìž ìˆ˜ë‹¨ì� 통해 보유ë˜ë©°, ê°� ë³´ê³ ìžëŠ” ë‹¨ë… ì˜ê²°ê¶� ë°� ì²˜ë¶„ê¶Œì„ ë³´ìœ í•� 것으ë¡� ë³´ê³ ë˜ì—ˆìŠµë‹ˆë‹�. 성명서는 해당 보유가 ì˜ì—…ì� 통ìƒì ì¸ 과정ì—서 ì·¨ë“ë˜ì–´ 보유ë˜ê³  있ìŒì� ì¦ëª…합니ë‹�.

Trois personnes déclarante � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) et Waqas Khatri � déclarent la propriété bénéficiaire de 294,361 actions ordinaires de SeaStar Medical Holding Corp. Le dépôt indique que ces actions sont susceptibles d'être émises à l'exercice de warrants et que les actions susceptibles d'être émises sont soumises à un plafond de participation bénéficiaire de 9,99%. Le calcul de la participation de 2,56% prend pour base 11,203,752 actions en circulation.

Cette participation est détenue via un véhicule d'investissement géré par Ayrton Capital, chaque déclarant disposant du pouvoir exclusif de vote et de disposition. La déclaration certifie que les avoirs ont été acquis et sont détenus dans le cours normal des affaires.

Drei meldende Personen � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) und Waqas Khatri � melden das wirtschaftliche Eigentum an 294,361 Stammaktien von SeaStar Medical Holding Corp. Die Einreichung gibt an, dass diese Aktien durch Ausübung von Warrants auszugebende Aktien sind und dass die auszugebenden Aktien einer 9,99%-Grenze für das wirtschaftliche Eigentum unterliegen. Für die Berechnung der 2,56%-Beteiligung werden 11,203,752 ausstehende Aktien als Bezugsgröße verwendet.

Dieses Eigentum wird über ein von Ayrton Capital verwaltetes Investmentvehikel gehalten; den meldenden Personen werden jeweils die alleinigen Stimm- und Verfügungsbefugnisse zugewiesen. Die Erklärung bestätigt, dass die Bestände im ordentlichen Geschäftsverlauf erworben wurden und gehalten werden.

Positive
  • Holdings disclosed are below 5%, indicating no control intent under the filing rules
  • Reported holdings were acquired and are held in the ordinary course of business, per the certification
Negative
  • Shares are issuable on exercise of warrants, so they are not currently outstanding common stock and do not convey immediate voting rights
  • Issuable shares are subject to a 9.99% beneficial ownership blocker, limiting the potential for a rapid increase in ownership
  • Document contains a numeric inconsistency (one section lists the Fund with a differing share count), which may require clarification

Insights

TL;DR: A 2.56% warrant-backed stake reported; small, non-controlling position with blocker limiting rapid accumulation.

The reported 294,361 shares are not currently outstanding common stock but are issuable upon exercise of warrants, which reduces immediate voting influence. The 2.56% stake (based on 11,203,752 outstanding shares) is below the 5% reporting threshold for control and is unlikely to materially affect SeaStar's capital structure absent further exercises or purchases. The 9.99% blocker restricts conversion that could otherwise increase influence quickly. Holdings are held through a Cayman investment vehicle managed by Ayrton Capital, with sole voting and dispositive power attributed to the reporting parties.

TL;DR: Disclosure shows governance risk is limited; position is small and constrained by a beneficial ownership blocker.

The filing indicates sole voting and dispositive power over the warrants' issuable shares, but because the shares are contingent on exercise and capped by a 9.99% blocker, there is limited potential for immediate control actions. Reporting through an investment manager structure (Ayrton Capital managing the Fund) is standard and documented. Investors should note that the document lists consistent voting/dispositive power figures, though one section contains a differing numeric entry for the Fund; the overall governance implication remains that this is a minority, non-controlling disclosure.

Tre soggetti comunicanti � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) e Waqas Khatri � dichiarano la titolarità beneficiaria di 294,361 azioni ordinarie di SeaStar Medical Holding Corp. Il deposito indica che queste azioni sono emettibili all'esercizio di warrant e che le azioni emettibili sono soggette a un limite di possesso pari al 9,99%. Il calcolo della partecipazione del 2,56% utilizza 11,203,752 azioni in circolazione come base di riferimento.

Questa partecipazione è detenuta tramite un veicolo d'investimento gestito da Ayrton Capital, e a ciascun soggetto comunicante è attribuito il potere esclusivo di voto e di disposizione. La dichiarazione certifica che le partecipazioni sono state acquisite e sono detenute nell'ordinario corso dell'attività.

Tres personas informantes � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) y Waqas Khatri � informan de la titularidad beneficiaria de 294,361 acciones ordinarias de SeaStar Medical Holding Corp. La presentación indica que estas acciones son emitibles al ejercicio de warrants y que las acciones emitibles están sujetas a un límite de titularidad beneficiaria del 9,99%. El cálculo de la participación del 2,56% utiliza 11,203,752 acciones en circulación como base de referencia.

Esta participación se mantiene a través de un vehículo de inversión gestionado por Ayrton Capital, y para cada persona informante se declara el poder exclusivo de voto y de disposición. La declaración certifica que las participaciones se adquirieron y se mantienen en el curso ordinario del negocio.

ì„� ëª…ì˜ ë³´ê³ ìž� â€� Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) ë°� Waqas Khatri â€� ê°€ SeaStar Medical Holding Corp 보통ì£� 294,361ì£¼ì˜ ì‹¤ì§ˆ ì†Œìœ ê¶Œì„ ë³´ê³ í•©ë‹ˆë‹�. 제출서류ì—는 ì� 주ì‹ë“¤ì´ 워런íŠ� 행사 ì‹� 발행ë� ìˆ� 있는 주ì‹ì´ë©° 발행 가능한 주ì‹ì€ 9.99%ì� 실질 소유 제한ì� 받는다고 명시ë˜ì–´ 있습니다. 2.56%ì� 보유 비율 ì‚°ì¶œì—는 11,203,752ì£¼ì˜ ìœ í†µ ì£¼ì‹ ìˆ˜ê°€ 기준으로 사용ë˜ì—ˆìŠµë‹ˆë‹�.

ì� ì†Œìœ ê¶Œì€ Ayrton Capitalì� 운용하는 íˆ¬ìž ìˆ˜ë‹¨ì� 통해 보유ë˜ë©°, ê°� ë³´ê³ ìžëŠ” ë‹¨ë… ì˜ê²°ê¶� ë°� ì²˜ë¶„ê¶Œì„ ë³´ìœ í•� 것으ë¡� ë³´ê³ ë˜ì—ˆìŠµë‹ˆë‹�. 성명서는 해당 보유가 ì˜ì—…ì� 통ìƒì ì¸ 과정ì—서 ì·¨ë“ë˜ì–´ 보유ë˜ê³  있ìŒì� ì¦ëª…합니ë‹�.

Trois personnes déclarante � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) et Waqas Khatri � déclarent la propriété bénéficiaire de 294,361 actions ordinaires de SeaStar Medical Holding Corp. Le dépôt indique que ces actions sont susceptibles d'être émises à l'exercice de warrants et que les actions susceptibles d'être émises sont soumises à un plafond de participation bénéficiaire de 9,99%. Le calcul de la participation de 2,56% prend pour base 11,203,752 actions en circulation.

Cette participation est détenue via un véhicule d'investissement géré par Ayrton Capital, chaque déclarant disposant du pouvoir exclusif de vote et de disposition. La déclaration certifie que les avoirs ont été acquis et sont détenus dans le cours normal des affaires.

Drei meldende Personen � Ayrton Capital LLC, Alto Opportunity Master Fund (Segregated Master Portfolio B) und Waqas Khatri � melden das wirtschaftliche Eigentum an 294,361 Stammaktien von SeaStar Medical Holding Corp. Die Einreichung gibt an, dass diese Aktien durch Ausübung von Warrants auszugebende Aktien sind und dass die auszugebenden Aktien einer 9,99%-Grenze für das wirtschaftliche Eigentum unterliegen. Für die Berechnung der 2,56%-Beteiligung werden 11,203,752 ausstehende Aktien als Bezugsgröße verwendet.

Dieses Eigentum wird über ein von Ayrton Capital verwaltetes Investmentvehikel gehalten; den meldenden Personen werden jeweils die alleinigen Stimm- und Verfügungsbefugnisse zugewiesen. Die Erklärung bestätigt, dass die Bestände im ordentlichen Geschäftsverlauf erworben wurden und gehalten werden.






Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)






SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G



Ayrton Capital LLC
Signature:/s/ Waqas Khatri
Name/Title:Waqas Khatri / Managing Member
Date:08/13/2025
Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B
Signature:/s/ Waqas Khatri
Name/Title:Waqas Khatri / Director
Date:08/13/2025
Waqas Khatri
Signature:/s/ Waqas Khatri
Name/Title:Waqas Khatri
Date:08/13/2025

FAQ

What stake in SeaStar Medical (ICU) do Ayrton Capital, Alto Opportunity and Waqas Khatri report?

They report beneficial ownership of 294,361 shares, representing 2.56% of the class based on 11,203,752 shares outstanding.

Are the reported SeaStar shares currently outstanding or contingent?

The filing states the 294,361 shares are issuable upon exercise of warrants, so they are contingent rather than currently outstanding common stock.

Does the filing indicate voting or disposal control over the shares?

Yes; each reporting person reports sole voting power and sole dispositive power over the 294,361 issuable shares.

Is there any limit on how much the reporting persons can acquire?

Yes; the filing states the issuable shares are subject to a 9.99% beneficial ownership blocker.

Was the ownership acquired to influence control of SeaStar (ICU)?

The certification in the filing states the securities were acquired and are held in the ordinary course of business and not to change or influence control.
SeaStar Medical Holding Corp

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Biotechnology
Surgical & Medical Instruments & Apparatus
United States
DENVER