STOCK TITAN

[Form 4] Rein Therapeutics, Inc. Insider Trading Activity

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

Rein Therapeutics (RNTX) filed a Form 4 on 23-Jul-2025 reporting the first equity award to director Reinhard J. Ambros. The filing shows a single transaction: a stock-option grant for 17,500 common shares at an exercise price of $1.55 per share. The option vests 100% on the earlier of 23-Jul-2026 or the company’s 2026 annual meeting, contingent on continued service. No sales or open-market purchases were disclosed, and Table I lists no direct common-stock holdings. After the grant, Ambros’ beneficial ownership consists of 17,500 derivative securities held directly.

The transaction is routine director compensation and represents a modest potential dilution relative to RNTX’s total share count (not provided in the filing). Because it is an A code (award) rather than an open-market buy, it should not be interpreted as an active insider purchase. However, it does increase insider alignment by giving the director upside participation tied to share-price performance above $1.55.

Rein Therapeutics (RNTX) ha presentato un Modulo 4 il 23 luglio 2025, segnalando il primo premio azionario assegnato al direttore Reinhard J. Ambros. Il documento riporta una singola operazione: una concessione di opzioni su azioni per 17.500 azioni ordinarie con un prezzo di esercizio di 1,55 $ per azione. L'opzione matura al 100% entro il 23 luglio 2026 o alla riunione annuale della società del 2026, a seconda di quale evento si verifichi prima, ed è subordinata al mantenimento del servizio. Non sono state divulgate vendite o acquisti sul mercato aperto, e la Tabella I non indica alcuna detenzione diretta di azioni ordinarie. Dopo la concessione, la proprietà effettiva di Ambros consiste in 17.500 strumenti derivati detenuti direttamente.

La transazione rappresenta una normale forma di compenso per i direttori e costituisce una diluizione potenziale modesta rispetto al totale delle azioni di RNTX (non specificato nel documento). Poiché si tratta di un codice A (premio) e non di un acquisto sul mercato aperto, non va interpretata come un acquisto attivo da parte di un insider. Tuttavia, aumenta l'allineamento degli interessi degli insider, offrendo al direttore una partecipazione al rialzo legata alla performance del prezzo delle azioni sopra 1,55 $.

Rein Therapeutics (RNTX) presentó un Formulario 4 el 23 de julio de 2025 informando la primera concesión de acciones al director Reinhard J. Ambros. La presentación muestra una única transacción: una concesión de opciones sobre acciones para 17,500 acciones ordinarias con un precio de ejercicio de $1.55 por acción. La opción se consolida al 100% en la fecha que ocurra primero entre el 23 de julio de 2026 o la reunión anual de la empresa en 2026, condicionada a la continuidad del servicio. No se divulgaron ventas ni compras en el mercado abierto, y la Tabla I no muestra tenencias directas de acciones ordinarias. Tras la concesión, la propiedad beneficiaria de Ambros consiste en 17,500 valores derivados mantenidos directamente.

La transacción es una compensación rutinaria para directores y representa una dilución potencial modesta en relación con el total de acciones de RNTX (no proporcionado en la presentación). Dado que es un código A (premio) y no una compra en el mercado abierto, no debe interpretarse como una compra activa por parte de un insider. Sin embargo, aumenta la alineación de intereses del insider al otorgar al director participación en las ganancias vinculadas al desempeño del precio por encima de $1.55.

Rein Therapeutics(RNTX)는 2025년 7월 23일에 이사 Reinhard J. Ambros에게 최초로 주식 보상을 보고하는 Form 4를 제출했습니다. 제출서류에는 단일 거래가 명시되어 있으며, 주당 행사 가격이 $1.55인 보통주 17,500주에 대한 스톡옵션 부여입니다. 옵션은 2026년 7월 23일 또는 회사의 2026년 연례 회의 중 빠른 시점에 100% 베스팅되며, 계속 근무 조건이 붙어 있습니다. 매도나 공개 시장 매수는 공개되지 않았으며, 표 I에는 직접 보유한 보통주가 없습니다. 부여 후 Ambros의 실질 소유권은 직접 보유한 17,500개의 파생 증권으로 구성됩니다.

이 거래는 이사 보상으로 일상적인 사항이며, RNTX의 총 주식 수(제출서류에 제공되지 않음)에 비해 잠재적 희석 효과는 미미합니다. A 코드(보상) 거래로 공개 시장 매수가 아니기 때문에 내부자의 적극적인 주식 매입으로 해석해서는 안 됩니다. 그러나 주가가 $1.55를 초과할 경우 이사에게 상승 참여 기회를 제공하여 내부자 이해관계 정렬을 높입니다.

Rein Therapeutics (RNTX) a déposé un formulaire 4 le 23 juillet 2025, signalant la première attribution d’actions au directeur Reinhard J. Ambros. Le document montre une seule transaction : une attribution d’options d’achat portant sur 17 500 actions ordinaires à un prix d’exercice de 1,55 $ par action. L’option devient entièrement acquise au plus tôt entre le 23 juillet 2026 ou l’assemblée générale annuelle 2026 de la société, sous réserve de la continuité du service. Aucune vente ni achat sur le marché ouvert n’a été divulgué, et le Tableau I ne recense aucune détention directe d’actions ordinaires. Après l’attribution, la propriété bénéficiaire d’Ambros comprend 17 500 titres dérivés détenus directement.

Cette opération constitue une rémunération courante des administrateurs et représente une dilution potentielle modeste par rapport au nombre total d’actions de RNTX (non indiqué dans le document). Comme il s’agit d’un code A (attribution) et non d’un achat sur le marché ouvert, cela ne doit pas être interprété comme un achat actif d’initié. Toutefois, cela renforce l’alignement des intérêts des initiés en offrant au directeur une participation à la hausse liée à la performance du cours au-dessus de 1,55 $.

Rein Therapeutics (RNTX) reichte am 23. Juli 2025 ein Formular 4 ein, in dem die erste Aktienzuteilung an den Direktor Reinhard J. Ambros gemeldet wurde. Die Meldung zeigt eine einzelne Transaktion: eine Aktienoptionszuteilung für 17.500 Stammaktien mit einem Ausübungspreis von 1,55 $ pro Aktie. Die Option wird zu 100 % entweder am 23. Juli 2026 oder auf der Hauptversammlung 2026 des Unternehmens fällig, je nachdem, was zuerst eintritt, und ist an eine fortgesetzte Dienstzeit gebunden. Es wurden keine Verkäufe oder Käufe am offenen Markt offengelegt, und Tabelle I listet keine direkten Stammaktienbestände auf. Nach der Zuteilung besteht Ambros’ wirtschaftliches Eigentum aus 17.500 direkt gehaltenen derivativen Wertpapieren.

Die Transaktion ist eine routinemäßige Vergütung für Direktoren und stellt eine moderate potenzielle Verwässerung im Verhältnis zur Gesamtzahl der RNTX-Aktien dar (nicht in der Meldung angegeben). Da es sich um einen A-Code (Zuteilung) handelt und nicht um einen Kauf am offenen Markt, sollte dies nicht als aktiver Insider-Kauf interpretiert werden. Es erhöht jedoch die Interessenangleichung der Insider, indem es dem Direktor eine Beteiligung am Kursanstieg über 1,55 $ hinaus ermöglicht.

Positive
  • Director equity alignment: Stock-option grant ties board compensation to future share performance, potentially improving shareholder alignment.
Negative
  • Incremental dilution: Adds 17,500 shares to fully diluted count, though impact is likely immaterial given typical small-cap share bases.

Insights

TL;DR: Routine option grant aligns new director with shareholders; minimal immediate impact.

This filing documents a standard equity incentive for a board member. The one-year cliff vesting and strike of $1.55 encourage Ambros to focus on share appreciation over the next 12 months. No cash compensation details are provided, so investors cannot assess total pay mix. Given the small absolute size—17,500 options—and absence of open-market activity, the event is governance-neutral with negligible dilution. It improves transparency but carries no direct valuation effect.

TL;DR: Option award is symbolic; unlikely to move RNTX’s share price.

The grant equates to only 17,500 potential shares, a fraction of typical small-cap floats. Because strike equals $1.55, upside exists only if RNTX trades above that level; otherwise the option is out-of-the-money. Absence of share purchases limits the market-signal value typically associated with insider buying. Overall, investors should view this as procedural, not a catalyst.

Rein Therapeutics (RNTX) ha presentato un Modulo 4 il 23 luglio 2025, segnalando il primo premio azionario assegnato al direttore Reinhard J. Ambros. Il documento riporta una singola operazione: una concessione di opzioni su azioni per 17.500 azioni ordinarie con un prezzo di esercizio di 1,55 $ per azione. L'opzione matura al 100% entro il 23 luglio 2026 o alla riunione annuale della società del 2026, a seconda di quale evento si verifichi prima, ed è subordinata al mantenimento del servizio. Non sono state divulgate vendite o acquisti sul mercato aperto, e la Tabella I non indica alcuna detenzione diretta di azioni ordinarie. Dopo la concessione, la proprietà effettiva di Ambros consiste in 17.500 strumenti derivati detenuti direttamente.

La transazione rappresenta una normale forma di compenso per i direttori e costituisce una diluizione potenziale modesta rispetto al totale delle azioni di RNTX (non specificato nel documento). Poiché si tratta di un codice A (premio) e non di un acquisto sul mercato aperto, non va interpretata come un acquisto attivo da parte di un insider. Tuttavia, aumenta l'allineamento degli interessi degli insider, offrendo al direttore una partecipazione al rialzo legata alla performance del prezzo delle azioni sopra 1,55 $.

Rein Therapeutics (RNTX) presentó un Formulario 4 el 23 de julio de 2025 informando la primera concesión de acciones al director Reinhard J. Ambros. La presentación muestra una única transacción: una concesión de opciones sobre acciones para 17,500 acciones ordinarias con un precio de ejercicio de $1.55 por acción. La opción se consolida al 100% en la fecha que ocurra primero entre el 23 de julio de 2026 o la reunión anual de la empresa en 2026, condicionada a la continuidad del servicio. No se divulgaron ventas ni compras en el mercado abierto, y la Tabla I no muestra tenencias directas de acciones ordinarias. Tras la concesión, la propiedad beneficiaria de Ambros consiste en 17,500 valores derivados mantenidos directamente.

La transacción es una compensación rutinaria para directores y representa una dilución potencial modesta en relación con el total de acciones de RNTX (no proporcionado en la presentación). Dado que es un código A (premio) y no una compra en el mercado abierto, no debe interpretarse como una compra activa por parte de un insider. Sin embargo, aumenta la alineación de intereses del insider al otorgar al director participación en las ganancias vinculadas al desempeño del precio por encima de $1.55.

Rein Therapeutics(RNTX)는 2025년 7월 23일에 이사 Reinhard J. Ambros에게 최초로 주식 보상을 보고하는 Form 4를 제출했습니다. 제출서류에는 단일 거래가 명시되어 있으며, 주당 행사 가격이 $1.55인 보통주 17,500주에 대한 스톡옵션 부여입니다. 옵션은 2026년 7월 23일 또는 회사의 2026년 연례 회의 중 빠른 시점에 100% 베스팅되며, 계속 근무 조건이 붙어 있습니다. 매도나 공개 시장 매수는 공개되지 않았으며, 표 I에는 직접 보유한 보통주가 없습니다. 부여 후 Ambros의 실질 소유권은 직접 보유한 17,500개의 파생 증권으로 구성됩니다.

이 거래는 이사 보상으로 일상적인 사항이며, RNTX의 총 주식 수(제출서류에 제공되지 않음)에 비해 잠재적 희석 효과는 미미합니다. A 코드(보상) 거래로 공개 시장 매수가 아니기 때문에 내부자의 적극적인 주식 매입으로 해석해서는 안 됩니다. 그러나 주가가 $1.55를 초과할 경우 이사에게 상승 참여 기회를 제공하여 내부자 이해관계 정렬을 높입니다.

Rein Therapeutics (RNTX) a déposé un formulaire 4 le 23 juillet 2025, signalant la première attribution d’actions au directeur Reinhard J. Ambros. Le document montre une seule transaction : une attribution d’options d’achat portant sur 17 500 actions ordinaires à un prix d’exercice de 1,55 $ par action. L’option devient entièrement acquise au plus tôt entre le 23 juillet 2026 ou l’assemblée générale annuelle 2026 de la société, sous réserve de la continuité du service. Aucune vente ni achat sur le marché ouvert n’a été divulgué, et le Tableau I ne recense aucune détention directe d’actions ordinaires. Après l’attribution, la propriété bénéficiaire d’Ambros comprend 17 500 titres dérivés détenus directement.

Cette opération constitue une rémunération courante des administrateurs et représente une dilution potentielle modeste par rapport au nombre total d’actions de RNTX (non indiqué dans le document). Comme il s’agit d’un code A (attribution) et non d’un achat sur le marché ouvert, cela ne doit pas être interprété comme un achat actif d’initié. Toutefois, cela renforce l’alignement des intérêts des initiés en offrant au directeur une participation à la hausse liée à la performance du cours au-dessus de 1,55 $.

Rein Therapeutics (RNTX) reichte am 23. Juli 2025 ein Formular 4 ein, in dem die erste Aktienzuteilung an den Direktor Reinhard J. Ambros gemeldet wurde. Die Meldung zeigt eine einzelne Transaktion: eine Aktienoptionszuteilung für 17.500 Stammaktien mit einem Ausübungspreis von 1,55 $ pro Aktie. Die Option wird zu 100 % entweder am 23. Juli 2026 oder auf der Hauptversammlung 2026 des Unternehmens fällig, je nachdem, was zuerst eintritt, und ist an eine fortgesetzte Dienstzeit gebunden. Es wurden keine Verkäufe oder Käufe am offenen Markt offengelegt, und Tabelle I listet keine direkten Stammaktienbestände auf. Nach der Zuteilung besteht Ambros’ wirtschaftliches Eigentum aus 17.500 direkt gehaltenen derivativen Wertpapieren.

Die Transaktion ist eine routinemäßige Vergütung für Direktoren und stellt eine moderate potenzielle Verwässerung im Verhältnis zur Gesamtzahl der RNTX-Aktien dar (nicht in der Meldung angegeben). Da es sich um einen A-Code (Zuteilung) handelt und nicht um einen Kauf am offenen Markt, sollte dies nicht als aktiver Insider-Kauf interpretiert werden. Es erhöht jedoch die Interessenangleichung der Insider, indem es dem Direktor eine Beteiligung am Kursanstieg über 1,55 $ hinaus ermöglicht.

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).
1. Name and Address of Reporting Person*
Ambros Reinhard J.

(Last) (First) (Middle)
C/O REIN THERAPEUTICS, INC
12407 N. MOPAC EXPY. SUITE 250 #390

(Street)
AUSTIN TX 78758

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Rein Therapeutics, Inc. [ RNTX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
07/23/2025
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) $1.55 07/23/2025 A 17,500 (1) 07/22/2035 Common Stock 17,500 $0 17,500 D
Explanation of Responses:
1. This option was granted on July 23, 2025. The shares underlying the option are scheduled to vest in full on the earlier of (i) July 23, 2026 or (ii) the date of the Issuer's 2026 Annual Meeting of Stockholders, subject to continued service.
/s/ Brian Windsor, attorney-in-fact for Reinhard J. Ambros 07/23/2025
** 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 RNTX disclose in the 23-Jul-2025 Form 4?

The company reported a grant of 17,500 stock options at a $1.55 strike to director Reinhard J. Ambros.

How many RNTX shares does Reinhard J. Ambros now own?

Post-transaction, he beneficially owns 17,500 derivative securities and no reported direct common shares.

When do the granted options vest?

They vest in full on the earlier of 23-Jul-2026 or the 2026 annual meeting, subject to continued service.

Is the Form 4 transaction an insider purchase?

No. The code "A" indicates an award, not an open-market buy.

What is the exercise price of the options?

The options can be exercised at $1.55 per share.
Rein Therapeutics, Inc.

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Biotechnology
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