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[8-K] Apellis Pharmaceuticals, Inc. Reports Material Event

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On 1 July 2025, Apellis Pharmaceuticals (NASDAQ: APLS) filed an 8-K announcing a Royalty Buy-Down Agreement with Swedish Orphan Biovitrum (Sobi).

  • Up-front consideration: Sobi will pay Apellis $275 million in cash within five business days of closing.
  • Milestone: Up to $25 million becomes payable upon European Medicines Agency (EMA) approval of Aspaveli for C3G and IC-MPGN.
  • Royalty reduction: In exchange, Apellis will reduce Sobi’s royalty obligations under their October 2020 collaboration by 90 %, effective immediately.
  • Royalty cap: The discount lasts until cumulative reduced royalties equal 1.45× the total amounts paid under the new agreement; thereafter, the original royalty rates resume.
  • Lender consent: Sixth Street Lending Partners consented to the deal. As a condition, Apellis extended by one year the period during which prepayment premiums apply on its May 13 2024 credit facility.

The transaction delivers up to $300 million in non-dilutive liquidity, strengthening Apellis’ near-term cash position while delaying—but not eliminating—future royalty income from Aspaveli in Sobi territories. The 1.45× cap preserves long-term upside once Sobi recovers its investment. Investors should weigh immediate balance-sheet relief against the temporary 90 % royalty haircut and the extended prepayment-premium window on existing debt.

Il 1° luglio 2025, Apellis Pharmaceuticals (NASDAQ: APLS) ha depositato un modulo 8-K annunciando un Accordo di Riduzione delle Royalty con Swedish Orphan Biovitrum (Sobi).

  • Pagamento anticipato: Sobi verserà ad Apellis 275 milioni di dollari in contanti entro cinque giorni lavorativi dalla chiusura.
  • Obiettivo: Fino a 25 milioni di dollari saranno versati al momento dell'approvazione da parte dell'Agenzia Europea per i Medicinali (EMA) di Aspaveli per C3G e IC-MPGN.
  • Riduzione delle royalty: In cambio, Apellis ridurrà le obbligazioni di royalty di Sobi derivanti dalla collaborazione di ottobre 2020 del 90%, con effetto immediato.
  • Limite delle royalty: Lo sconto durerà fino a quando le royalty ridotte cumulative raggiungeranno 1,45 volte l'importo totale pagato ai sensi del nuovo accordo; successivamente, torneranno in vigore le tariffe di royalty originali.
  • Consenso del finanziatore: Sixth Street Lending Partners ha approvato l'accordo. Come condizione, Apellis ha esteso di un anno il periodo durante il quale si applicano i premi di rimborso anticipato sulla sua linea di credito del 13 maggio 2024.

La transazione fornisce fino a 300 milioni di dollari di liquidità non diluitiva, rafforzando la posizione di cassa a breve termine di Apellis, pur posticipando – ma non eliminando – i futuri ricavi da royalty di Aspaveli nei territori di Sobi. Il limite di 1,45× preserva il potenziale di guadagno a lungo termine una volta che Sobi avrà recuperato il suo investimento. Gli investitori dovrebbero valutare il sollievo immediato sul bilancio rispetto alla temporanea riduzione del 90% delle royalty e all’estensione della finestra per il premio di rimborso anticipato sul debito esistente.

El 1 de julio de 2025, Apellis Pharmaceuticals (NASDAQ: APLS) presentó un formulario 8-K anunciando un Acuerdo de Reducción de Regalías con Swedish Orphan Biovitrum (Sobi).

  • Pago inicial: Sobi pagará a Apellis 275 millones de dólares en efectivo dentro de los cinco días hábiles posteriores al cierre.
  • Hito: Hasta 25 millones de dólares serán pagaderos tras la aprobación de Aspaveli para C3G e IC-MPGN por parte de la Agencia Europea de Medicamentos (EMA).
  • Reducción de regalías: A cambio, Apellis reducirá las obligaciones de regalías de Sobi bajo su colaboración de octubre de 2020 en un 90%, con efecto inmediato.
  • Límite de regalías: El descuento durará hasta que las regalías reducidas acumuladas alcancen 1,45 veces el total pagado bajo el nuevo acuerdo; después de eso, se reanudarán las tasas originales de regalías.
  • Consentimiento del prestamista: Sixth Street Lending Partners dio su consentimiento para el acuerdo. Como condición, Apellis extendió por un año el período durante el cual se aplican las primas por pago anticipado en su línea de crédito del 13 de mayo de 2024.

La transacción proporciona hasta 300 millones de dólares en liquidez no dilutiva, fortaleciendo la posición de efectivo a corto plazo de Apellis mientras retrasa —pero no elimina— los ingresos futuros por regalías de Aspaveli en los territorios de Sobi. El límite de 1,45× preserva el potencial de ganancias a largo plazo una vez que Sobi recupere su inversión. Los inversores deben sopesar el alivio inmediato del balance frente a la reducción temporal del 90% en las regalías y la extensión del período de primas por pago anticipado en la deuda existente.

2025년 7월 1일, Apellis Pharmaceuticals (NASDAQ: APLS)는 Swedish Orphan Biovitrum (Sobi)와의 로열티 인하 계약을 발표하는 8-K를 제출했습니다.

  • 선급금: Sobi는 계약 종료 후 5영업일 이내에 Apellis에 2억 7,500만 달러 현금을 지급합니다.
  • 마일스톤: Aspaveli가 유럽 의약품청(EMA)에서 C3G 및 IC-MPGN에 대해 승인받으면 최대 2,500만 달러가 지급됩니다.
  • 로열티 인하: 그 대가로 Apellis는 2020년 10월 협력 계약에 따른 Sobi의 로열티 의무를 즉시 90% 감면합니다.
  • 로열티 상한: 할인은 누적 감면된 로열티가 새 계약에 따라 지급된 총액의 1.45배에 도달할 때까지 지속되며, 이후에는 원래 로열티 비율이 재개됩니다.
  • 대출자 동의: Sixth Street Lending Partners가 이 거래에 동의했습니다. 조건으로 Apellis는 2024년 5월 13일 신용 시설에 대한 조기 상환 수수료 적용 기간을 1년 연장했습니다.

이번 거래는 3억 달러까지의 비희석성 유동성을 제공하여 Apellis의 단기 현금 상황을 강화하는 동시에 Sobi 지역에서 Aspaveli의 미래 로열티 수입을 지연시키지만 완전히 없애지는 않습니다. 1.45배 상한은 Sobi가 투자금을 회수한 후 장기적인 상승 잠재력을 보존합니다. 투자자들은 즉각적인 재무 부담 완화와 일시적인 90% 로열티 삭감 및 기존 부채에 대한 조기 상환 수수료 기간 연장을 신중히 고려해야 합니다.

Le 1er juillet 2025, Apellis Pharmaceuticals (NASDAQ : APLS) a déposé un formulaire 8-K annonçant un Accord de Réduction des Redevances avec Swedish Orphan Biovitrum (Sobi).

  • Contrepartie initiale : Sobi versera à Apellis 275 millions de dollars en espèces dans les cinq jours ouvrables suivant la clôture.
  • Étape-clé : Jusqu’à 25 millions de dollars seront dus lors de l’approbation par l’Agence européenne des médicaments (EMA) d’Aspaveli pour C3G et IC-MPGN.
  • Réduction des redevances : En échange, Apellis réduira les obligations de redevances de Sobi issues de leur collaboration d’octobre 2020 de 90 %, avec effet immédiat.
  • Plafond des redevances : La remise dure jusqu’à ce que les redevances réduites cumulées atteignent 1,45 fois le montant total versé selon le nouvel accord ; ensuite, les taux de redevances initiaux reprennent.
  • Consentement du prêteur : Sixth Street Lending Partners a donné son accord pour l’opération. En contrepartie, Apellis a prolongé d’un an la période pendant laquelle les primes de remboursement anticipé s’appliquent à sa facilité de crédit du 13 mai 2024.

Cette transaction apporte jusqu’à 300 millions de dollars de liquidités non dilutives, renforçant la trésorerie à court terme d’Apellis tout en retardant — sans éliminer — les futurs revenus de redevances d’Aspaveli dans les territoires de Sobi. Le plafond de 1,45× préserve le potentiel de gains à long terme une fois que Sobi aura récupéré son investissement. Les investisseurs doivent évaluer le soulagement immédiat du bilan face à la réduction temporaire de 90 % des redevances et à la prolongation de la période de prime de remboursement anticipé sur la dette existante.

Am 1. Juli 2025 reichte Apellis Pharmaceuticals (NASDAQ: APLS) ein 8-K ein und kündigte eine Royalty Buy-Down Vereinbarung mit Swedish Orphan Biovitrum (Sobi) an.

  • Vorauszahlung: Sobi zahlt Apellis 275 Millionen US-Dollar in bar innerhalb von fünf Geschäftstagen nach Abschluss.
  • Meilenstein: Bis zu 25 Millionen US-Dollar werden bei Zulassung von Aspaveli für C3G und IC-MPGN durch die Europäische Arzneimittel-Agentur (EMA) fällig.
  • Royalty-Reduzierung: Im Gegenzug reduziert Apellis die Royalty-Verpflichtungen von Sobi aus der Zusammenarbeit vom Oktober 2020 um 90%, mit sofortiger Wirkung.
  • Royalty-Obergrenze: Der Rabatt gilt, bis die kumulierten reduzierten Royalties 1,45-fach der unter der neuen Vereinbarung gezahlten Beträge erreichen; danach gelten wieder die ursprünglichen Royalty-Sätze.
  • Zustimmung des Kreditgebers: Sixth Street Lending Partners stimmte dem Deal zu. Als Bedingung verlängerte Apellis die Frist für Vorfälligkeitsprämien bei seiner Kreditfazilität vom 13. Mai 2024 um ein Jahr.

Die Transaktion stellt bis zu 300 Millionen US-Dollar nicht verwässernde Liquidität bereit, stärkt die kurzfristige Cash-Position von Apellis und verzögert – eliminiert aber nicht – künftige Royalty-Einnahmen aus Aspaveli in den Sobi-Gebieten. Die 1,45-fache Obergrenze bewahrt das langfristige Aufwärtspotenzial, sobald Sobi seine Investition zurückerhalten hat. Investoren sollten die sofortige Bilanzentlastung gegen den temporären 90%-Royalty-Abschlag und die verlängerte Vorfälligkeitsprämienfrist bei bestehenden Schulden abwägen.

Positive
  • $275 million immediate cash infusion strengthens liquidity without equity dilution.
  • Additional $25 million milestone tied to EMA approval provides upside.
  • Royalty discount is temporary and capped at 1.45× payments, preserving long-term upside.
  • Received lender consent, avoiding covenant issues and demonstrating creditor support.
Negative
  • 90 % reduction in Aspaveli royalties lowers near-term revenue from Sobi territories.
  • Apellis agreed to extend prepayment-premium period by one year, reducing debt-repayment flexibility.

Insights

TL;DR Up-front $275 M cash improves liquidity; royalty concession limits short-term revenue—overall modestly accretive.

Apellis converts a long-tail royalty stream into immediate, non-dilutive cash, a useful tool amid continuing commercial ramp and pipeline spend. The 1.45× recovery cap means Sobi must remit only about $399-$434 M in discounted royalties before full rates reset, implying a potential 2- to 3-year duration (sales-dependent). Cash proceeds can reduce draw-downs or fund trials without equity dilution, lowering financing risk. Extending the prepayment-premium period slightly reduces financial flexibility but does not increase coupon or covenant burden. Net impact leans positive for liquidity and runway, neutral-to-slightly-negative for near-term royalty revenue.

TL;DR Deal trades early Aspaveli economics for cash; strategic bridge as company advances broader complement pipeline.

Royalty buy-downs are common when partners seek cost relief and innovators seek cash. Apellis retains full commercialization rights in the U.S. and gains funding to accelerate life-cycle indications where it keeps higher economics. The 90 % cut is steep but temporary, capped by a clearly defined 1.45× multiple, preserving long-term participation. Contingent milestone aligns incentives around EU label expansion. Operationally, lender consent removes refinancing overhang. Given Aspaveli’s still-building European trajectory, sacrificing a portion of nascent royalties for immediate capital appears strategically sound, leaving intrinsic franchise value largely intact.

Il 1° luglio 2025, Apellis Pharmaceuticals (NASDAQ: APLS) ha depositato un modulo 8-K annunciando un Accordo di Riduzione delle Royalty con Swedish Orphan Biovitrum (Sobi).

  • Pagamento anticipato: Sobi verserà ad Apellis 275 milioni di dollari in contanti entro cinque giorni lavorativi dalla chiusura.
  • Obiettivo: Fino a 25 milioni di dollari saranno versati al momento dell'approvazione da parte dell'Agenzia Europea per i Medicinali (EMA) di Aspaveli per C3G e IC-MPGN.
  • Riduzione delle royalty: In cambio, Apellis ridurrà le obbligazioni di royalty di Sobi derivanti dalla collaborazione di ottobre 2020 del 90%, con effetto immediato.
  • Limite delle royalty: Lo sconto durerà fino a quando le royalty ridotte cumulative raggiungeranno 1,45 volte l'importo totale pagato ai sensi del nuovo accordo; successivamente, torneranno in vigore le tariffe di royalty originali.
  • Consenso del finanziatore: Sixth Street Lending Partners ha approvato l'accordo. Come condizione, Apellis ha esteso di un anno il periodo durante il quale si applicano i premi di rimborso anticipato sulla sua linea di credito del 13 maggio 2024.

La transazione fornisce fino a 300 milioni di dollari di liquidità non diluitiva, rafforzando la posizione di cassa a breve termine di Apellis, pur posticipando – ma non eliminando – i futuri ricavi da royalty di Aspaveli nei territori di Sobi. Il limite di 1,45× preserva il potenziale di guadagno a lungo termine una volta che Sobi avrà recuperato il suo investimento. Gli investitori dovrebbero valutare il sollievo immediato sul bilancio rispetto alla temporanea riduzione del 90% delle royalty e all’estensione della finestra per il premio di rimborso anticipato sul debito esistente.

El 1 de julio de 2025, Apellis Pharmaceuticals (NASDAQ: APLS) presentó un formulario 8-K anunciando un Acuerdo de Reducción de Regalías con Swedish Orphan Biovitrum (Sobi).

  • Pago inicial: Sobi pagará a Apellis 275 millones de dólares en efectivo dentro de los cinco días hábiles posteriores al cierre.
  • Hito: Hasta 25 millones de dólares serán pagaderos tras la aprobación de Aspaveli para C3G e IC-MPGN por parte de la Agencia Europea de Medicamentos (EMA).
  • Reducción de regalías: A cambio, Apellis reducirá las obligaciones de regalías de Sobi bajo su colaboración de octubre de 2020 en un 90%, con efecto inmediato.
  • Límite de regalías: El descuento durará hasta que las regalías reducidas acumuladas alcancen 1,45 veces el total pagado bajo el nuevo acuerdo; después de eso, se reanudarán las tasas originales de regalías.
  • Consentimiento del prestamista: Sixth Street Lending Partners dio su consentimiento para el acuerdo. Como condición, Apellis extendió por un año el período durante el cual se aplican las primas por pago anticipado en su línea de crédito del 13 de mayo de 2024.

La transacción proporciona hasta 300 millones de dólares en liquidez no dilutiva, fortaleciendo la posición de efectivo a corto plazo de Apellis mientras retrasa —pero no elimina— los ingresos futuros por regalías de Aspaveli en los territorios de Sobi. El límite de 1,45× preserva el potencial de ganancias a largo plazo una vez que Sobi recupere su inversión. Los inversores deben sopesar el alivio inmediato del balance frente a la reducción temporal del 90% en las regalías y la extensión del período de primas por pago anticipado en la deuda existente.

2025년 7월 1일, Apellis Pharmaceuticals (NASDAQ: APLS)는 Swedish Orphan Biovitrum (Sobi)와의 로열티 인하 계약을 발표하는 8-K를 제출했습니다.

  • 선급금: Sobi는 계약 종료 후 5영업일 이내에 Apellis에 2억 7,500만 달러 현금을 지급합니다.
  • 마일스톤: Aspaveli가 유럽 의약품청(EMA)에서 C3G 및 IC-MPGN에 대해 승인받으면 최대 2,500만 달러가 지급됩니다.
  • 로열티 인하: 그 대가로 Apellis는 2020년 10월 협력 계약에 따른 Sobi의 로열티 의무를 즉시 90% 감면합니다.
  • 로열티 상한: 할인은 누적 감면된 로열티가 새 계약에 따라 지급된 총액의 1.45배에 도달할 때까지 지속되며, 이후에는 원래 로열티 비율이 재개됩니다.
  • 대출자 동의: Sixth Street Lending Partners가 이 거래에 동의했습니다. 조건으로 Apellis는 2024년 5월 13일 신용 시설에 대한 조기 상환 수수료 적용 기간을 1년 연장했습니다.

이번 거래는 3억 달러까지의 비희석성 유동성을 제공하여 Apellis의 단기 현금 상황을 강화하는 동시에 Sobi 지역에서 Aspaveli의 미래 로열티 수입을 지연시키지만 완전히 없애지는 않습니다. 1.45배 상한은 Sobi가 투자금을 회수한 후 장기적인 상승 잠재력을 보존합니다. 투자자들은 즉각적인 재무 부담 완화와 일시적인 90% 로열티 삭감 및 기존 부채에 대한 조기 상환 수수료 기간 연장을 신중히 고려해야 합니다.

Le 1er juillet 2025, Apellis Pharmaceuticals (NASDAQ : APLS) a déposé un formulaire 8-K annonçant un Accord de Réduction des Redevances avec Swedish Orphan Biovitrum (Sobi).

  • Contrepartie initiale : Sobi versera à Apellis 275 millions de dollars en espèces dans les cinq jours ouvrables suivant la clôture.
  • Étape-clé : Jusqu’à 25 millions de dollars seront dus lors de l’approbation par l’Agence européenne des médicaments (EMA) d’Aspaveli pour C3G et IC-MPGN.
  • Réduction des redevances : En échange, Apellis réduira les obligations de redevances de Sobi issues de leur collaboration d’octobre 2020 de 90 %, avec effet immédiat.
  • Plafond des redevances : La remise dure jusqu’à ce que les redevances réduites cumulées atteignent 1,45 fois le montant total versé selon le nouvel accord ; ensuite, les taux de redevances initiaux reprennent.
  • Consentement du prêteur : Sixth Street Lending Partners a donné son accord pour l’opération. En contrepartie, Apellis a prolongé d’un an la période pendant laquelle les primes de remboursement anticipé s’appliquent à sa facilité de crédit du 13 mai 2024.

Cette transaction apporte jusqu’à 300 millions de dollars de liquidités non dilutives, renforçant la trésorerie à court terme d’Apellis tout en retardant — sans éliminer — les futurs revenus de redevances d’Aspaveli dans les territoires de Sobi. Le plafond de 1,45× préserve le potentiel de gains à long terme une fois que Sobi aura récupéré son investissement. Les investisseurs doivent évaluer le soulagement immédiat du bilan face à la réduction temporaire de 90 % des redevances et à la prolongation de la période de prime de remboursement anticipé sur la dette existante.

Am 1. Juli 2025 reichte Apellis Pharmaceuticals (NASDAQ: APLS) ein 8-K ein und kündigte eine Royalty Buy-Down Vereinbarung mit Swedish Orphan Biovitrum (Sobi) an.

  • Vorauszahlung: Sobi zahlt Apellis 275 Millionen US-Dollar in bar innerhalb von fünf Geschäftstagen nach Abschluss.
  • Meilenstein: Bis zu 25 Millionen US-Dollar werden bei Zulassung von Aspaveli für C3G und IC-MPGN durch die Europäische Arzneimittel-Agentur (EMA) fällig.
  • Royalty-Reduzierung: Im Gegenzug reduziert Apellis die Royalty-Verpflichtungen von Sobi aus der Zusammenarbeit vom Oktober 2020 um 90%, mit sofortiger Wirkung.
  • Royalty-Obergrenze: Der Rabatt gilt, bis die kumulierten reduzierten Royalties 1,45-fach der unter der neuen Vereinbarung gezahlten Beträge erreichen; danach gelten wieder die ursprünglichen Royalty-Sätze.
  • Zustimmung des Kreditgebers: Sixth Street Lending Partners stimmte dem Deal zu. Als Bedingung verlängerte Apellis die Frist für Vorfälligkeitsprämien bei seiner Kreditfazilität vom 13. Mai 2024 um ein Jahr.

Die Transaktion stellt bis zu 300 Millionen US-Dollar nicht verwässernde Liquidität bereit, stärkt die kurzfristige Cash-Position von Apellis und verzögert – eliminiert aber nicht – künftige Royalty-Einnahmen aus Aspaveli in den Sobi-Gebieten. Die 1,45-fache Obergrenze bewahrt das langfristige Aufwärtspotenzial, sobald Sobi seine Investition zurückerhalten hat. Investoren sollten die sofortige Bilanzentlastung gegen den temporären 90%-Royalty-Abschlag und die verlängerte Vorfälligkeitsprämienfrist bei bestehenden Schulden abwägen.

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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 Exchange Act of 1934

Date of Report (Date of earliest event reported): July 1, 2025

 

 

Apellis Pharmaceuticals, Inc.

(Exact Name of Registrant as Specified in its Charter)

 

 

 

Delaware   001-38276   27-1537290

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(IRS Employer

Identification No.)

 

100 Fifth Avenue

Waltham, MA

  02451
(Address of Principal Executive Offices)   (Zip Code)

Registrant’s telephone number, including area code: (617) 977-5700

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading
Symbol(s)

 

Name of each exchange

on which registered

Common Stock, $0.0001 par value per share   APLS   Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 
 


Item 1.01

Entry into a Material Definitive Agreement.

On July 1, 2025 (the “Closing Date”), Apellis Pharmaceuticals, Inc. and its subsidiaries Apellis International GmbH and APL DEL Holdings, LLC (collectively, the “Company”) entered into a Royalty Buy-Down Agreement (the “Royalty Agreement”) with Swedish Orphan Biovitrum AB (Publ) (“Sobi”).

Under the Royalty Agreement, Sobi agreed to pay the Company an upfront payment of $275 million within five business days after the Closing Date, and up to an aggregate of $25 million upon EMA approval of Aspaveli for C3G and IC-MPGN, and the Company agreed to reduce Sobi’s royalty payment obligations under the Collaboration and License Agreement by and between Sobi and the Company, dated as of October 27, 2020 (the “Collaboration Agreement”), by 90%, effective as of the Closing Date, subject to defined caps tied to Aspaveli’s performance, including an initial cap of 1.45x the amounts paid by Sobi to the Company under the Royalty Agreement, after which Sobi’s royalty payment obligations under the Collaboration Agreement will revert to 100%.

The lenders under the Company’s financing agreement with Sixth Street Lending Partners and the guarantors and lenders party thereto, dated as of May 13, 2024 (the “Financing Agreement”), have consented to the Royalty Agreement, and, in connection with that consent, the Company has agreed to extend by one year the periods in which certain prepayment premiums would be owing upon any applicable prepayments of the indebtedness under the credit facility provided for under the Financing Agreement.

The above description of the Royalty Agreement is a summary only and is qualified in its entirety by reference to the Royalty Agreement, which will be filed as an exhibit to the Company’s Quarterly Report on Form 10-Q for the quarter ending September 30, 2025.

 


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

    Apellis Pharmaceuticals, Inc.
Date: July 1, 2025     By:  

/s/ Timothy Sullivan

      Timothy Sullivan
      Chief Financial Officer

FAQ

How much cash does Apellis (APLS) receive under the royalty buy-down agreement?

Sobi will pay $275 million up-front, with up to $25 million in additional milestone payments.

What happens to Sobi’s royalty rate on Aspaveli sales?

Sobi’s royalty obligation is reduced by 90 % effective July 1 2025 until a specified cap is reached.

When do the original royalty rates resume?

Once cumulative reduced royalties equal 1.45× the payments made under the new agreement, the rate reverts to 100 %.

What milestone is required for the extra $25 M payment?

The milestone is triggered by EMA approval of Aspaveli for C3G and IC-MPGN.

Did Apellis need lender approval for this transaction?

Yes. Sixth Street Lending Partners consented, and Apellis extended prepayment-premium periods by one year as part of the consent.

Where will the full royalty agreement be available?

Apellis will file the agreement as an exhibit to its Form 10-Q for the quarter ending 30 September 2025.
Apellis Pharmace

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Biotechnology
Pharmaceutical Preparations
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United States
WALTHAM