STOCK TITAN

[Form 4] Trinseo PLC Insider Trading Activity

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

Trinseo PLC (TSE) – Form 4 Insider Transaction Summary

Director Joseph Alvarado reported the acquisition of 42,484 ordinary shares of Trinseo PLC on 25 June 2025. The transaction was coded “A,” indicating an award or grant, and was executed at a stated price of $0, confirming that the shares were received through an equity compensation plan rather than an open-market purchase.

The new shares were issued pursuant to a restricted stock unit (RSU) award that vests in full one year from the grant date. Following the grant, Alvarado’s total beneficial ownership increased to 94,671 shares, all of which are held directly. No derivative securities or additional transactions were reported.

This filing reflects routine director equity compensation designed to align management and shareholder interests. It does not disclose any open-market buying or selling activity, nor does it provide valuation details or earnings information. As such, the event is generally considered neutral to modestly positive for governance alignment but not financially material to the company’s overall share structure.

Trinseo PLC (TSE) – Riepilogo della Transazione Insider Modulo 4

Il direttore Joseph Alvarado ha dichiarato l'acquisizione di 42.484 azioni ordinarie di Trinseo PLC in data 25 giugno 2025. La transazione è stata classificata come “A”, indicando un premio o una concessione, ed è stata eseguita al prezzo dichiarato di 0 $, confermando che le azioni sono state ricevute tramite un piano di compensazione azionaria e non tramite acquisto sul mercato aperto.

Le nuove azioni sono state emesse in base a un premio di restricted stock unit (RSU) che matura completamente un anno dopo la data di assegnazione. Dopo questa assegnazione, la proprietà totale beneficiaria di Alvarado è aumentata a 94.671 azioni, tutte detenute direttamente. Non sono stati segnalati titoli derivati o altre transazioni aggiuntive.

Questa comunicazione riflette una routine di compensazione azionaria per i dirigenti volta ad allineare gli interessi del management con quelli degli azionisti. Non rivela alcuna attività di acquisto o vendita sul mercato aperto, né fornisce dettagli di valutazione o informazioni sugli utili. Pertanto, l’evento è generalmente considerato neutrale o leggermente positivo per l’allineamento della governance ma non finanziariamente rilevante per la struttura complessiva delle azioni della società.

Trinseo PLC (TSE) – Resumen de Transacción Insider Formulario 4

El director Joseph Alvarado reportó la adquisición de 42,484 acciones ordinarias de Trinseo PLC el 25 de junio de 2025. La transacción fue codificada como “A”, indicando una concesión o premio, y se ejecutó a un precio declarado de $0, confirmando que las acciones se recibieron mediante un plan de compensación accionaria y no por compra en el mercado abierto.

Las nuevas acciones se emitieron conforme a un premio de restricted stock unit (RSU) que vence completamente un año después de la fecha de concesión. Tras la concesión, la propiedad beneficiaria total de Alvarado aumentó a 94,671 acciones, todas ellas mantenidas directamente. No se reportaron valores derivados ni transacciones adicionales.

Esta presentación refleja una compensación accionaria rutinaria para directores, diseñada para alinear los intereses de la gerencia y los accionistas. No revela ninguna actividad de compra o venta en el mercado abierto, ni proporciona detalles de valoración o información sobre ganancias. Por lo tanto, el evento se considera generalmente neutral a modestamente positivo para el alineamiento de la gobernanza, pero no material financieramente para la estructura general de acciones de la compañía.

Trinseo PLC (TSE) – Form 4 내부자 거래 요약

이사 Joseph Alvarado2025년 6월 25일에 Trinseo PLC의 42,484 보통주를 취득했다고 보고했습니다. 거래는 “A” 코드로 표시되었으며, 이는 상여금 또는 부여를 의미하며, 명시된 가격 $0에 실행되어 주식이 공개 시장 구매가 아닌 주식 보상 계획을 통해 수령되었음을 확인했습니다.

신규 주식은 restricted stock unit (RSU) 상여에 따라 발행되었으며, 부여일로부터 1년 후에 전액 완성됩니다. 부여 후 Alvarado의 총 실질 소유 주식 수는 94,671주로 증가했으며, 모두 직접 보유하고 있습니다. 파생 증권이나 추가 거래는 보고되지 않았습니다.

이 제출은 경영진과 주주 이익을 일치시키기 위해 설계된 일상적인 이사 주식 보상을 반영합니다. 공개 시장에서의 매매 활동이나 평가 세부 정보, 수익 정보는 공개하지 않습니다. 따라서 이 사건은 거버넌스 정렬 측면에서 중립적이거나 다소 긍정적으로 간주되지만, 회사의 전체 주식 구조에는 재무적으로 중요하지 않은 사건입니다.

Trinseo PLC (TSE) – Résumé des transactions d’initiés Formulaire 4

Le directeur Joseph Alvarado a déclaré l’acquisition de 42 484 actions ordinaires de Trinseo PLC le 25 juin 2025. La transaction a été codée « A », indiquant une attribution ou une subvention, et a été réalisée à un prix indiqué de 0 $, confirmant que les actions ont été reçues via un plan de rémunération en actions plutôt qu’un achat sur le marché ouvert.

Les nouvelles actions ont été émises dans le cadre d’une attribution de restricted stock unit (RSU) qui devient entièrement acquise un an après la date d’attribution. Après cette attribution, la propriété bénéficiaire totale d’Alvarado a augmenté pour atteindre 94 671 actions, toutes détenues directement. Aucune valeur dérivée ni transaction supplémentaire n’a été signalée.

Ce dépôt reflète une rémunération en actions de routine pour les administrateurs, conçue pour aligner les intérêts de la direction et des actionnaires. Il ne révèle aucune activité d’achat ou de vente sur le marché ouvert, ni ne fournit de détails d’évaluation ou d’informations sur les bénéfices. En tant que tel, l’événement est généralement considéré comme neutre à modestement positif pour l’alignement de la gouvernance, mais pas financièrement significatif pour la structure globale des actions de la société.

Trinseo PLC (TSE) – Zusammenfassung der Insider-Transaktion Formular 4

Direktor Joseph Alvarado meldete den Erwerb von 42.484 Stammaktien von Trinseo PLC am 25. Juni 2025. Die Transaktion wurde mit „A“ codiert, was auf eine Zuteilung oder Gewährung hinweist, und wurde zu einem angegebenen Preis von 0 $ durchgeführt, was bestätigt, dass die Aktien im Rahmen eines Aktienvergütungsplans und nicht durch einen Kauf am offenen Markt erhalten wurden.

Die neuen Aktien wurden im Rahmen einer Restricted Stock Unit (RSU)-Zuteilung ausgegeben, die ein Jahr nach dem Gewährungsdatum vollständig verfällt. Nach der Gewährung erhöhte sich Alvarados gesamtes wirtschaftliches Eigentum auf 94.671 Aktien, die alle direkt gehalten werden. Keine derivativen Wertpapiere oder zusätzlichen Transaktionen wurden gemeldet.

Diese Meldung spiegelt eine routinemäßige Aktienvergütung für Direktoren wider, die darauf abzielt, die Interessen des Managements und der Aktionäre in Einklang zu bringen. Es werden keine Käufe oder Verkäufe am offenen Markt offengelegt, noch werden Bewertungsdetails oder Gewinninformationen bereitgestellt. Daher wird das Ereignis allgemein als neutral bis leicht positiv für die Governance-Ausrichtung angesehen, jedoch finanziell nicht wesentlich für die Gesamtaktienstruktur des Unternehmens.

Positive
  • Director increased direct ownership by 42,484 shares, enhancing management–shareholder alignment
  • Grant vests in one year, supporting long-term governance incentives
Negative
  • None.

Insights

TL;DR: Routine RSU grant; boosts alignment but minimal market impact.

The Form 4 shows that Director Joseph Alvarado received 42,484 RSUs, lifting his stake to 94,671 shares. Because the award vests in a year and was granted at no cost, it primarily serves as a long-term incentive, fostering board–shareholder alignment. No sales were disclosed, so there is no near-term supply pressure. The transaction is standard practice for S&P SmallCap firms and does not materially alter float or governance balance. Overall, I view it as a governance-friendly but non-impactful event for investors.

TL;DR: Neutral; immaterial change to float, slight positive signal.

From a portfolio perspective, a 42.5k-share RSU grant is immaterial versus Trinseo’s total shares outstanding. However, insider acquisitions—even in the form of compensation—are generally preferable to disposals because they avoid negative signaling and mildly reinforce confidence. The lack of derivative exercises, sales, or 10b5-1 plan indicators suggests no immediate liquidity event. Given its limited scale and routine nature, I classify the filing as neutral for price discovery and do not adjust position sizing.

Trinseo PLC (TSE) – Riepilogo della Transazione Insider Modulo 4

Il direttore Joseph Alvarado ha dichiarato l'acquisizione di 42.484 azioni ordinarie di Trinseo PLC in data 25 giugno 2025. La transazione è stata classificata come “A”, indicando un premio o una concessione, ed è stata eseguita al prezzo dichiarato di 0 $, confermando che le azioni sono state ricevute tramite un piano di compensazione azionaria e non tramite acquisto sul mercato aperto.

Le nuove azioni sono state emesse in base a un premio di restricted stock unit (RSU) che matura completamente un anno dopo la data di assegnazione. Dopo questa assegnazione, la proprietà totale beneficiaria di Alvarado è aumentata a 94.671 azioni, tutte detenute direttamente. Non sono stati segnalati titoli derivati o altre transazioni aggiuntive.

Questa comunicazione riflette una routine di compensazione azionaria per i dirigenti volta ad allineare gli interessi del management con quelli degli azionisti. Non rivela alcuna attività di acquisto o vendita sul mercato aperto, né fornisce dettagli di valutazione o informazioni sugli utili. Pertanto, l’evento è generalmente considerato neutrale o leggermente positivo per l’allineamento della governance ma non finanziariamente rilevante per la struttura complessiva delle azioni della società.

Trinseo PLC (TSE) – Resumen de Transacción Insider Formulario 4

El director Joseph Alvarado reportó la adquisición de 42,484 acciones ordinarias de Trinseo PLC el 25 de junio de 2025. La transacción fue codificada como “A”, indicando una concesión o premio, y se ejecutó a un precio declarado de $0, confirmando que las acciones se recibieron mediante un plan de compensación accionaria y no por compra en el mercado abierto.

Las nuevas acciones se emitieron conforme a un premio de restricted stock unit (RSU) que vence completamente un año después de la fecha de concesión. Tras la concesión, la propiedad beneficiaria total de Alvarado aumentó a 94,671 acciones, todas ellas mantenidas directamente. No se reportaron valores derivados ni transacciones adicionales.

Esta presentación refleja una compensación accionaria rutinaria para directores, diseñada para alinear los intereses de la gerencia y los accionistas. No revela ninguna actividad de compra o venta en el mercado abierto, ni proporciona detalles de valoración o información sobre ganancias. Por lo tanto, el evento se considera generalmente neutral a modestamente positivo para el alineamiento de la gobernanza, pero no material financieramente para la estructura general de acciones de la compañía.

Trinseo PLC (TSE) – Form 4 내부자 거래 요약

이사 Joseph Alvarado2025년 6월 25일에 Trinseo PLC의 42,484 보통주를 취득했다고 보고했습니다. 거래는 “A” 코드로 표시되었으며, 이는 상여금 또는 부여를 의미하며, 명시된 가격 $0에 실행되어 주식이 공개 시장 구매가 아닌 주식 보상 계획을 통해 수령되었음을 확인했습니다.

신규 주식은 restricted stock unit (RSU) 상여에 따라 발행되었으며, 부여일로부터 1년 후에 전액 완성됩니다. 부여 후 Alvarado의 총 실질 소유 주식 수는 94,671주로 증가했으며, 모두 직접 보유하고 있습니다. 파생 증권이나 추가 거래는 보고되지 않았습니다.

이 제출은 경영진과 주주 이익을 일치시키기 위해 설계된 일상적인 이사 주식 보상을 반영합니다. 공개 시장에서의 매매 활동이나 평가 세부 정보, 수익 정보는 공개하지 않습니다. 따라서 이 사건은 거버넌스 정렬 측면에서 중립적이거나 다소 긍정적으로 간주되지만, 회사의 전체 주식 구조에는 재무적으로 중요하지 않은 사건입니다.

Trinseo PLC (TSE) – Résumé des transactions d’initiés Formulaire 4

Le directeur Joseph Alvarado a déclaré l’acquisition de 42 484 actions ordinaires de Trinseo PLC le 25 juin 2025. La transaction a été codée « A », indiquant une attribution ou une subvention, et a été réalisée à un prix indiqué de 0 $, confirmant que les actions ont été reçues via un plan de rémunération en actions plutôt qu’un achat sur le marché ouvert.

Les nouvelles actions ont été émises dans le cadre d’une attribution de restricted stock unit (RSU) qui devient entièrement acquise un an après la date d’attribution. Après cette attribution, la propriété bénéficiaire totale d’Alvarado a augmenté pour atteindre 94 671 actions, toutes détenues directement. Aucune valeur dérivée ni transaction supplémentaire n’a été signalée.

Ce dépôt reflète une rémunération en actions de routine pour les administrateurs, conçue pour aligner les intérêts de la direction et des actionnaires. Il ne révèle aucune activité d’achat ou de vente sur le marché ouvert, ni ne fournit de détails d’évaluation ou d’informations sur les bénéfices. En tant que tel, l’événement est généralement considéré comme neutre à modestement positif pour l’alignement de la gouvernance, mais pas financièrement significatif pour la structure globale des actions de la société.

Trinseo PLC (TSE) – Zusammenfassung der Insider-Transaktion Formular 4

Direktor Joseph Alvarado meldete den Erwerb von 42.484 Stammaktien von Trinseo PLC am 25. Juni 2025. Die Transaktion wurde mit „A“ codiert, was auf eine Zuteilung oder Gewährung hinweist, und wurde zu einem angegebenen Preis von 0 $ durchgeführt, was bestätigt, dass die Aktien im Rahmen eines Aktienvergütungsplans und nicht durch einen Kauf am offenen Markt erhalten wurden.

Die neuen Aktien wurden im Rahmen einer Restricted Stock Unit (RSU)-Zuteilung ausgegeben, die ein Jahr nach dem Gewährungsdatum vollständig verfällt. Nach der Gewährung erhöhte sich Alvarados gesamtes wirtschaftliches Eigentum auf 94.671 Aktien, die alle direkt gehalten werden. Keine derivativen Wertpapiere oder zusätzlichen Transaktionen wurden gemeldet.

Diese Meldung spiegelt eine routinemäßige Aktienvergütung für Direktoren wider, die darauf abzielt, die Interessen des Managements und der Aktionäre in Einklang zu bringen. Es werden keine Käufe oder Verkäufe am offenen Markt offengelegt, noch werden Bewertungsdetails oder Gewinninformationen bereitgestellt. Daher wird das Ereignis allgemein als neutral bis leicht positiv für die Governance-Ausrichtung angesehen, jedoch finanziell nicht wesentlich für die Gesamtaktienstruktur des Unternehmens.

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*
ALVARADO JOSEPH

(Last) (First) (Middle)
C/O TRINSEO PLC
440 EAST SWEDESFORD ROAD, SUITE 301

(Street)
WAYNE PA 19087

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Trinseo PLC [ TSE ]
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)
06/25/2025
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
Ordinary Shares 06/25/2025 A 42,484(1) A $0 94,671 D
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
Explanation of Responses:
1. Represents ordinary shares issuable pursuant to a restricted stock unit award that will vest in full on the first anniversary of the grant date.
/s/ Angelo Chaclas, Attorney-in-Fact 06/27/2025
** 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

How many Trinseo PLC (TSE) shares did Director Joseph Alvarado acquire?

He received 42,484 ordinary shares through an RSU grant.

What is Joseph Alvarado’s total Trinseo share ownership after the transaction?

His beneficial ownership increased to 94,671 shares.

Was the acquisition an open-market purchase?

No. The shares were granted at $0 price as part of an equity compensation plan.

When will the awarded RSUs vest?

The RSU award vests in full on the first anniversary of the 25 June 2025 grant date.

Did the filing report any derivative security transactions?

No derivative securities were acquired or disposed of in this Form 4.
Trinseo Plc

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