STOCK TITAN

[Form 4] Helix Acquisition Corp. II Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

BridgeBio Oncology Therapeutics reported an insider award to its Chief Medical & Development Officer and director, Ben Yong. The Form 4 discloses an award of a stock option to purchase 357,177 shares of common stock at an exercise price of $9.59. The option grant is exercisable consistent with a time-based vesting schedule: vesting commences from an August 11, 2025 vesting commencement date, with an initial fractional vesting linked to the date a Form S-8 registration is filed and becomes effective and then monthly vesting thereafter until fully vested on the fourth anniversary of the vesting commencement date, subject to continuous service. Following the reported transaction the reporting person directly beneficially owns 357,177 shares underlying the option.

BridgeBio Oncology Therapeutics ha comunicato un premio azionario destinato al suo Chief Medical & Development Officer e membro del consiglio, Ben Yong. Il Form 4 riporta l'assegnazione di un'opzione per acquistare 357.177 azioni ordinarie a un prezzo di esercizio di $9,59. L'opzione è soggetta a un piano di maturazione basato sul tempo: la maturazione ha inizio dal 11 agosto 2025, con una frazione iniziale legata alla data di deposito ed efficacia di un Form S-8, e successivamente maturazione mensile fino al completo acquisimento dei diritti al quarto anniversario della data di inizio maturazione, subordinata al servizio continuativo. Dopo l'operazione segnalata, la persona che ha presentato la comunicazione detiene direttamente i diritti su 357.177 azioni sottostanti l'opzione.

BridgeBio Oncology Therapeutics informó de una concesión interna a su Chief Medical & Development Officer y director, Ben Yong. El Formulario 4 revela la concesión de una opción para comprar 357.177 acciones ordinarias a un precio de ejercicio de $9,59. La opción se rige por un calendario de consolidación temporal: la consolidación comienza el 11 de agosto de 2025, con una consolidación fraccionada inicial vinculada a la fecha en que se presente y entre en vigor un Form S-8, y a partir de entonces consolidación mensual hasta quedar totalmente consolidada en el cuarto aniversario de la fecha de inicio, sujeta a prestación de servicio continua. Tras la operación declarada, la persona informante posee directamente 357.177 acciones subyacentes a la opción.

BridgeBio Oncology Therapeutics는 최고의료개발책임자 겸 이사인 벤 용(Ben Yong)에 대한 내부자 보상을 보고했습니다. Form 4에는 보통주 357,177주를 행사가 $9.59에 매수할 수 있는 스톡옵션 부여가 공시되어 있습니다. 이 옵션 권리는 시간 기반 베스팅 일정에 따라 행사 가능하며, 베스팅 시작일은 2025년 8월 11일로 시작됩니다. 초기 부분 베스팅은 Form S-8 등록서가 제출되어 효력이 발생한 날짜에 연결되고, 이후 매월 베스팅이 진행되어 베스팅 시작일로부터 4년째 되는 날 완전히 베스팅되며 연속 근무가 조건입니다. 보고된 거래 후 보고인은 해당 옵션에 기초한 357,177주의 실질적 소유권을 직접 보유하게 됩니다.

BridgeBio Oncology Therapeutics a déclaré une attribution interne à son Chief Medical & Development Officer et administrateur, Ben Yong. Le formulaire 4 divulgue l'octroi d'une option d'achat de 357 177 actions ordinaires au prix d'exercice de 9,59 $. La concession de l'option suit un calendrier d'acquisition fondé sur le temps : l'acquisition commence le 11 août 2025, avec une première acquisition fractionnée liée à la date de dépôt et d'entrée en vigueur d'un formulaire S-8, puis des acquisitions mensuelles jusqu'à l'acquisition totale au quatrième anniversaire de la date de début, sous réserve de service continu. À la suite de l'opération rapportée, la personne déclarante détient directement les droits sur 357 177 actions sous-jacentes à l'option.

BridgeBio Oncology Therapeutics meldete eine Insider-Zuteilung an seinen Chief Medical & Development Officer und Direktor Ben Yong. Das Formular 4 weist die Gewährung einer Aktienoption zum Kauf von 357.177 Stammaktien zu einem Ausübungspreis von $9,59 aus. Der Optionsgewährung liegt ein zeitgebundener Vesting-Plan zugrunde: Das Vesting beginnt am 11. August 2025, mit einer anfänglichen anteiligen Vesting-Rate, die an das Datum der Einreichung und Wirksamkeit eines Form S-8 gebunden ist, und anschließend monatlichem Vesting bis zur vollständigen Vesting am vierten Jahrestag des Vesting-Beginns, vorbehaltlich ununterbrochener Dienstzeit. Nach der gemeldeten Transaktion besitzt die meldende Person unmittelbar die Rechte an 357.177 den Optionen zugrunde liegenden Aktien.

Positive
  • Significant alignment of interests between management and shareholders via a large time-based option grant
  • Vesting linked to Form S-8 which delays transferability until registration, supporting long-term retention
Negative
  • Potential dilution if 357,177 options are exercised, magnitude depends on total outstanding shares (not disclosed in this filing)
  • Large single grant to an officer/director could raise governance questions about compensation concentration

Insights

TL;DR: Insider received a sizable option grant (357,177 shares) at $9.59 with multi-year vesting tied to Form S-8 registration.

The grant aligns senior management incentives with shareholder value by linking vesting to both a registration event and continued service over four years. The exercise price of $9.59 establishes the cost basis for potential future dilution if exercised. Investors should note the grant size relative to outstanding shares (not provided here) to assess dilution impact. The S-8 contingency front-loads vesting only if the registration occurs, which delays liquidity and aligns long-term retention.

TL;DR: Grant appears structured to retain and incentivize the reporting officer while conditioning some vesting on an S-8 registration.

The vesting terms combining an S-8-based initial vesting fraction and a standard 48-month monthly schedule reflect common practice to ensure shares become transferable only after a registration statement is effective. This reduces immediate transferability risk and ties economic benefit to a registration milestone plus continued service. From a governance perspective, disclosure is standard and sufficiently detailed about vesting mechanics; materiality depends on company capitalization not disclosed in this filing.

BridgeBio Oncology Therapeutics ha comunicato un premio azionario destinato al suo Chief Medical & Development Officer e membro del consiglio, Ben Yong. Il Form 4 riporta l'assegnazione di un'opzione per acquistare 357.177 azioni ordinarie a un prezzo di esercizio di $9,59. L'opzione è soggetta a un piano di maturazione basato sul tempo: la maturazione ha inizio dal 11 agosto 2025, con una frazione iniziale legata alla data di deposito ed efficacia di un Form S-8, e successivamente maturazione mensile fino al completo acquisimento dei diritti al quarto anniversario della data di inizio maturazione, subordinata al servizio continuativo. Dopo l'operazione segnalata, la persona che ha presentato la comunicazione detiene direttamente i diritti su 357.177 azioni sottostanti l'opzione.

BridgeBio Oncology Therapeutics informó de una concesión interna a su Chief Medical & Development Officer y director, Ben Yong. El Formulario 4 revela la concesión de una opción para comprar 357.177 acciones ordinarias a un precio de ejercicio de $9,59. La opción se rige por un calendario de consolidación temporal: la consolidación comienza el 11 de agosto de 2025, con una consolidación fraccionada inicial vinculada a la fecha en que se presente y entre en vigor un Form S-8, y a partir de entonces consolidación mensual hasta quedar totalmente consolidada en el cuarto aniversario de la fecha de inicio, sujeta a prestación de servicio continua. Tras la operación declarada, la persona informante posee directamente 357.177 acciones subyacentes a la opción.

BridgeBio Oncology Therapeutics는 최고의료개발책임자 겸 이사인 벤 용(Ben Yong)에 대한 내부자 보상을 보고했습니다. Form 4에는 보통주 357,177주를 행사가 $9.59에 매수할 수 있는 스톡옵션 부여가 공시되어 있습니다. 이 옵션 권리는 시간 기반 베스팅 일정에 따라 행사 가능하며, 베스팅 시작일은 2025년 8월 11일로 시작됩니다. 초기 부분 베스팅은 Form S-8 등록서가 제출되어 효력이 발생한 날짜에 연결되고, 이후 매월 베스팅이 진행되어 베스팅 시작일로부터 4년째 되는 날 완전히 베스팅되며 연속 근무가 조건입니다. 보고된 거래 후 보고인은 해당 옵션에 기초한 357,177주의 실질적 소유권을 직접 보유하게 됩니다.

BridgeBio Oncology Therapeutics a déclaré une attribution interne à son Chief Medical & Development Officer et administrateur, Ben Yong. Le formulaire 4 divulgue l'octroi d'une option d'achat de 357 177 actions ordinaires au prix d'exercice de 9,59 $. La concession de l'option suit un calendrier d'acquisition fondé sur le temps : l'acquisition commence le 11 août 2025, avec une première acquisition fractionnée liée à la date de dépôt et d'entrée en vigueur d'un formulaire S-8, puis des acquisitions mensuelles jusqu'à l'acquisition totale au quatrième anniversaire de la date de début, sous réserve de service continu. À la suite de l'opération rapportée, la personne déclarante détient directement les droits sur 357 177 actions sous-jacentes à l'option.

BridgeBio Oncology Therapeutics meldete eine Insider-Zuteilung an seinen Chief Medical & Development Officer und Direktor Ben Yong. Das Formular 4 weist die Gewährung einer Aktienoption zum Kauf von 357.177 Stammaktien zu einem Ausübungspreis von $9,59 aus. Der Optionsgewährung liegt ein zeitgebundener Vesting-Plan zugrunde: Das Vesting beginnt am 11. August 2025, mit einer anfänglichen anteiligen Vesting-Rate, die an das Datum der Einreichung und Wirksamkeit eines Form S-8 gebunden ist, und anschließend monatlichem Vesting bis zur vollständigen Vesting am vierten Jahrestag des Vesting-Beginns, vorbehaltlich ununterbrochener Dienstzeit. Nach der gemeldeten Transaktion besitzt die meldende Person unmittelbar die Rechte an 357.177 den Optionen zugrunde liegenden Aktien.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ben Yong

(Last) (First) (Middle)
BRIDGEBIO ONCOLOGY THERAPEUTICS, INC.
256 EAST GRAND AVENUE, SUITE 104

(Street)
SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
BridgeBio Oncology Therapeutics, Inc. [ BBOT ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Med & Dev Officer
3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $9.59 08/26/2025 A 357,177 (1) 08/25/2035 Common Stock 357,177 $0 357,177 D
Explanation of Responses:
1. A fraction of the shares underlying such option equal to (x) the number of full months between August 11, 2025 ("Vesting Commencement Date") and the date on which a registration statement on Form S-8 is filed and effective with the Securities and Exchange Commission (the "S-8 Filing Date") divided by (y) 48 shall vest on the S-8 Filing Date, and 1/48th of the shares underlying such option shall vest each month thereafter on the day of the month corresponding to the Vesting Commencement Date (and if there is no suchcorresponding day for a month, then the vesting date shall be the last day of the applicable month) until 100% of the shares underlying such option is vested on the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continuous service the Issuer on each such vesting date.
/s/ Aaron Chan, Attorney-in-Fact 08/28/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Ben Yong report owning in the Form 4 for BBOT?

The Form 4 reports a stock option to purchase 357,177 shares of common stock, with an exercise price of $9.59, and 357,177 shares beneficially owned following the transaction.

What are the vesting conditions for the option disclosed in the BBOT Form 4?

Vesting begins from a Vesting Commencement Date of August 11, 2025, includes an initial fractional vesting tied to the effectiveness of a Form S-8 registration, then vests monthly (1/48th per month) until fully vested on the fourth anniversary, subject to continuous service.

What is the exercise price and term of the option in the BBOT filing?

The option has an exercise price of $9.59. The filing shows an expiration indicator consistent with a ten-year term ending in 08/25/2035 for the underlying awards.

Does the Form 4 indicate whether the award is direct or indirect ownership?

The Form 4 indicates the ownership form is Direct (D) for the 357,177 shares underlying the option.
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