STOCK TITAN

[8-K] Cayson Acquisition Corp Unit Reports Material Event

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K
Rhea-AI Filing Summary

ArriVent BioPharma, Inc. (AVBP) – Form 4

On 07/11/2025, Chief Operating Officer Robin LaChapelle exercised stock options with a $2.28 strike price, acquiring 11,153 common shares (2,050 + 2,600 + 6,503). Her direct ownership rises to 135,736 shares. She also reports indirect beneficial ownership of 394,477 shares held by The MAKS Yao Trust, over which she shares voting and investment power but disclaims pecuniary interest.

After the transactions, LaChapelle retains 19,653 unexerced options at the same exercise price, expiring between September 2031 and January 2032. No shares were sold; all transactions are coded “M,” indicating option exercises.

ArriVent BioPharma, Inc. (AVBP) – Modulo 4

Il 11/07/2025, la Chief Operating Officer Robin LaChapelle ha esercitato opzioni azionarie con un prezzo di esercizio di 2,28 $, acquisendo 11.153 azioni ordinarie (2.050 + 2.600 + 6.503). La sua partecipazione diretta sale a 135.736 azioni. Inoltre, dichiara una partecipazione indiretta di 394.477 azioni detenute dal The MAKS Yao Trust, sul quale condivide il potere di voto e di investimento ma nega interesse pecuniario.

Dopo queste operazioni, LaChapelle detiene ancora 19.653 opzioni non esercitate allo stesso prezzo di esercizio, con scadenza tra settembre 2031 e gennaio 2032. Non sono state vendute azioni; tutte le transazioni sono codificate come “M”, indicando esercizi di opzioni.

ArriVent BioPharma, Inc. (AVBP) – Formulario 4

El 11/07/2025, la Directora de Operaciones Robin LaChapelle ejerció opciones sobre acciones con un precio de ejercicio de 2,28 $, adquiriendo 11.153 acciones comunes (2.050 + 2.600 + 6.503). Su propiedad directa aumenta a 135.736 acciones. También informa una participación indirecta beneficiosa de 394.477 acciones mantenidas por The MAKS Yao Trust, sobre las cuales comparte el poder de voto e inversión pero niega interés pecuniario.

Tras las transacciones, LaChapelle mantiene 19.653 opciones sin ejercer al mismo precio de ejercicio, con vencimiento entre septiembre de 2031 y enero de 2032. No se vendieron acciones; todas las transacciones están codificadas como “M”, indicando ejercicios de opciones.

ArriVent BioPharma, Inc. (AVBP) – 서식 4

2025년 7월 11일, 최고운영책임자 로빈 라샤펠(Robin LaChapelle)은 행사가격 $2.28의 스톡옵션을 행사하여 11,153주 보통주(2,050 + 2,600 + 6,503)를 취득하였습니다. 그녀의 직접 소유 주식은 135,736주로 증가했습니다. 또한, 그녀는 투표권과 투자권을 공유하지만 금전적 이익은 부인하는 The MAKS Yao Trust가 보유한 394,477주 간접적 실질 소유권도 보고했습니다.

거래 후 라샤펠은 동일한 행사가격으로 만료일이 2031년 9월부터 2032년 1월 사이인 19,653주의 미행사 옵션을 보유하고 있습니다. 주식 매도는 없었으며, 모든 거래는 옵션 행사임을 나타내는 “M” 코드로 표시되었습니다.

ArriVent BioPharma, Inc. (AVBP) – Formulaire 4

Le 11/07/2025, la Directrice des opérations Robin LaChapelle a exercé des options d'achat d'actions avec un prix d'exercice de 2,28 $, acquérant 11 153 actions ordinaires (2 050 + 2 600 + 6 503). Sa possession directe augmente à 135 736 actions. Elle déclare également une détention bénéficiaire indirecte de 394 477 actions détenues par The MAKS Yao Trust, sur lesquelles elle partage le pouvoir de vote et d'investissement mais décline tout intérêt pécuniaire.

Après ces transactions, LaChapelle conserve 19 653 options non exercées au même prix d'exercice, expirant entre septembre 2031 et janvier 2032. Aucune action n'a été vendue ; toutes les transactions sont codées « M », indiquant des exercices d'options.

ArriVent BioPharma, Inc. (AVBP) – Formular 4

Am 11.07.2025 übte die Chief Operating Officer Robin LaChapelle Aktienoptionen mit einem Ausübungspreis von 2,28 $ aus und erwarb 11.153 Stammaktien (2.050 + 2.600 + 6.503). Ihr direkter Besitz steigt auf 135.736 Aktien. Sie meldet außerdem eine indirekte wirtschaftliche Beteiligung von 394.477 Aktien, die vom The MAKS Yao Trust gehalten werden, über den sie Stimm- und Investitionsrechte teilt, jedoch kein finanzielles Interesse geltend macht.

Nach den Transaktionen hält LaChapelle 19.653 nicht ausgeübte Optionen zum gleichen Ausübungspreis, die zwischen September 2031 und Januar 2032 verfallen. Es wurden keine Aktien verkauft; alle Transaktionen sind mit „M“ codiert, was auf Optionsausübungen hinweist.

Positive
  • 11,153 new shares acquired via option exercise, increasing direct stake to 135,736 shares
  • No shares were sold, indicating the insider retained and increased her equity position
Negative
  • None.

Insights

TL;DR: COO exercised options, added 11,153 AVBP shares; stake now 135,736; no sales – modestly positive.

The filing shows the company’s Chief Operating Officer converting low-priced options into common stock and boosting her direct position by roughly 9%. Lack of share sales points to continued alignment with shareholders, though the transaction size is small relative to float. Remaining unexercised options are minor in potential dilution. Overall impact on valuation is limited, making the event routine but slightly constructive.

TL;DR: Routine Form 4; insider boosts stake, trust disclosure clear; governance impact neutral-positive.

The Form 4 is timely and complete under Section 16, detailing option exercises and updated direct/indirect holdings. The disclaimer of pecuniary interest in the trust mitigates conflict-of-interest concerns. No late filings, 10b5-1 references, or sales appear, signalling sound governance practices. The disclosure slightly enhances transparency but is not materially transformative.

ArriVent BioPharma, Inc. (AVBP) – Modulo 4

Il 11/07/2025, la Chief Operating Officer Robin LaChapelle ha esercitato opzioni azionarie con un prezzo di esercizio di 2,28 $, acquisendo 11.153 azioni ordinarie (2.050 + 2.600 + 6.503). La sua partecipazione diretta sale a 135.736 azioni. Inoltre, dichiara una partecipazione indiretta di 394.477 azioni detenute dal The MAKS Yao Trust, sul quale condivide il potere di voto e di investimento ma nega interesse pecuniario.

Dopo queste operazioni, LaChapelle detiene ancora 19.653 opzioni non esercitate allo stesso prezzo di esercizio, con scadenza tra settembre 2031 e gennaio 2032. Non sono state vendute azioni; tutte le transazioni sono codificate come “M”, indicando esercizi di opzioni.

ArriVent BioPharma, Inc. (AVBP) – Formulario 4

El 11/07/2025, la Directora de Operaciones Robin LaChapelle ejerció opciones sobre acciones con un precio de ejercicio de 2,28 $, adquiriendo 11.153 acciones comunes (2.050 + 2.600 + 6.503). Su propiedad directa aumenta a 135.736 acciones. También informa una participación indirecta beneficiosa de 394.477 acciones mantenidas por The MAKS Yao Trust, sobre las cuales comparte el poder de voto e inversión pero niega interés pecuniario.

Tras las transacciones, LaChapelle mantiene 19.653 opciones sin ejercer al mismo precio de ejercicio, con vencimiento entre septiembre de 2031 y enero de 2032. No se vendieron acciones; todas las transacciones están codificadas como “M”, indicando ejercicios de opciones.

ArriVent BioPharma, Inc. (AVBP) – 서식 4

2025년 7월 11일, 최고운영책임자 로빈 라샤펠(Robin LaChapelle)은 행사가격 $2.28의 스톡옵션을 행사하여 11,153주 보통주(2,050 + 2,600 + 6,503)를 취득하였습니다. 그녀의 직접 소유 주식은 135,736주로 증가했습니다. 또한, 그녀는 투표권과 투자권을 공유하지만 금전적 이익은 부인하는 The MAKS Yao Trust가 보유한 394,477주 간접적 실질 소유권도 보고했습니다.

거래 후 라샤펠은 동일한 행사가격으로 만료일이 2031년 9월부터 2032년 1월 사이인 19,653주의 미행사 옵션을 보유하고 있습니다. 주식 매도는 없었으며, 모든 거래는 옵션 행사임을 나타내는 “M” 코드로 표시되었습니다.

ArriVent BioPharma, Inc. (AVBP) – Formulaire 4

Le 11/07/2025, la Directrice des opérations Robin LaChapelle a exercé des options d'achat d'actions avec un prix d'exercice de 2,28 $, acquérant 11 153 actions ordinaires (2 050 + 2 600 + 6 503). Sa possession directe augmente à 135 736 actions. Elle déclare également une détention bénéficiaire indirecte de 394 477 actions détenues par The MAKS Yao Trust, sur lesquelles elle partage le pouvoir de vote et d'investissement mais décline tout intérêt pécuniaire.

Après ces transactions, LaChapelle conserve 19 653 options non exercées au même prix d'exercice, expirant entre septembre 2031 et janvier 2032. Aucune action n'a été vendue ; toutes les transactions sont codées « M », indiquant des exercices d'options.

ArriVent BioPharma, Inc. (AVBP) – Formular 4

Am 11.07.2025 übte die Chief Operating Officer Robin LaChapelle Aktienoptionen mit einem Ausübungspreis von 2,28 $ aus und erwarb 11.153 Stammaktien (2.050 + 2.600 + 6.503). Ihr direkter Besitz steigt auf 135.736 Aktien. Sie meldet außerdem eine indirekte wirtschaftliche Beteiligung von 394.477 Aktien, die vom The MAKS Yao Trust gehalten werden, über den sie Stimm- und Investitionsrechte teilt, jedoch kein finanzielles Interesse geltend macht.

Nach den Transaktionen hält LaChapelle 19.653 nicht ausgeübte Optionen zum gleichen Ausübungspreis, die zwischen September 2031 und Januar 2032 verfallen. Es wurden keine Aktien verkauft; alle Transaktionen sind mit „M“ codiert, was auf Optionsausübungen hinweist.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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 10, 2025

 

CAYSON ACQUISITION CORP
(Exact Name of Registrant as Specified in Charter)

 

Cayman Islands   001-42280   N/A

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(IRS Employer

Identification No.)

 

205 W 37th St, New York, New York   10018
(Address of Principal Executive Offices)   (Zip Code)

 

Registrant’s telephone number, including area code: (203) 998-5540

 

N/A
(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
Units, each consisting of one ordinary share and one right   CAPNU   The Nasdaq Stock Market LLC
         
Ordinary Shares, par value $0.0001 per share   CAPN   The Nasdaq Stock Market LLC
         
Rights, each entitling the holder to one tenth of one ordinary share upon the completion of the Company’s initial business combination   CAPNR   The Nasdaq Stock Market LLC

 

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 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

 

On July 10, 2025, Raymond Xia resigned from the Board of Directors of Cayson Acquisition Corp (the “Company”). Mr. Xia’s resignation was for personal reasons and not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices or the transactions reported on by the Company in its Current Report on Form 8-K filed on July 14, 2025 relating to the Company’s proposed business combination with Mango Financial Limited.

 

 

 

 

SIGNATURE

 

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.

 

Dated: July 15, 2025 CAYSON ACQUISITION CORP
   
  By: /s/ Yawei Cao
    Yawei Cao
    Chief Executive Officer

 

 

 

 

FAQ

How many ArriVent BioPharma (AVBP) shares did COO Robin LaChapelle acquire?

11,153 common shares were acquired on 07/11/2025 via option exercises.

What was the exercise price of the stock options in the AVBP Form 4?

Each option was exercised at a $2.28 strike price.

What is Robin LaChapelle's total direct AVBP shareholding after the transactions?

Her direct ownership increased to 135,736 common shares.

How many AVBP shares are held indirectly through The MAKS Yao Trust?

The trust holds 394,477 shares; the reporting person disclaims pecuniary interest.

Does the Form 4 report any sale of AVBP shares?

No; all reported transactions were option exercises coded “M,” with no shares sold.
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