STOCK TITAN

[Form 4] Trinseo PLC Insider Trading Activity

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

Trinseo PLC (Ticker: TSE) filed a Form 4 disclosing that director Victoria Brifo had shares withheld to cover tax obligations arising from the vesting of previously granted restricted stock units.

The filing shows a single non-derivative transaction dated 06/21/2025 with transaction code “F” (payment of tax withholdings). A total of 9,576 ordinary shares were surrendered at an indicated price of $3.73 per share, equal to roughly $35.7 thousand. Following the withholding, Brifo’s direct beneficial ownership stands at 40,741 ordinary shares.

No derivative securities were involved and there were no open-market purchases or discretionary sales. Because the transaction was for tax withholding, it does not necessarily reflect the insider’s sentiment about Trinseo’s prospects, but it does reduce her outstanding share count by approximately 19% from the pre-withholding total of 50,317 shares.

Other than the routine tax-related share surrender, the filing contains no additional material changes, corporate actions, or strategic commentary.

Trinseo PLC (Ticker: TSE) ha presentato un modulo Form 4 comunicando che la direttrice Victoria Brifo ha trattenuto azioni per coprire gli obblighi fiscali derivanti dal consolidamento di unità azionarie ristrette precedentemente assegnate.

Il documento mostra una singola transazione non derivata datata 21/06/2025 con codice transazione “F” (pagamento delle ritenute fiscali). Sono state consegnate in totale 9.576 azioni ordinarie al prezzo indicato di 3,73 $ per azione, per un valore complessivo di circa 35,7 mila $. Dopo la trattenuta, la proprietà diretta di Brifo ammonta a 40.741 azioni ordinarie.

Non sono stati coinvolti titoli derivati né acquisti sul mercato aperto o vendite discrezionali. Poiché la transazione riguarda una ritenuta fiscale, non riflette necessariamente il sentimento dell’insider sulle prospettive di Trinseo, ma riduce il numero di azioni in suo possesso di circa il 19% rispetto al totale pre-ritenuta di 50.317 azioni.

Oltre alla consueta consegna di azioni per motivi fiscali, il documento non contiene cambiamenti materiali, azioni societarie o commenti strategici aggiuntivi.

Trinseo PLC (Ticker: TSE) presentó un Formulario 4 revelando que la directora Victoria Brifo retuvo acciones para cubrir obligaciones fiscales derivadas de la consolidación de unidades restringidas de acciones previamente otorgadas.

El documento muestra una única transacción no derivada fechada el 21/06/2025 con código de transacción “F” (pago de retenciones fiscales). Se entregaron un total de 9,576 acciones ordinarias a un precio indicado de $3.73 por acción, equivalente a aproximadamente $35.7 mil. Tras la retención, la propiedad directa de Brifo es de 40,741 acciones ordinarias.

No se involucraron valores derivados ni compras en el mercado abierto o ventas discrecionales. Dado que la transacción fue para retención fiscal, no refleja necesariamente el sentimiento del insider sobre las perspectivas de Trinseo, pero reduce su cantidad de acciones en circulación en aproximadamente un 19% desde el total previo a la retención de 50,317 acciones.

Aparte de la entrega rutinaria de acciones por motivos fiscales, el documento no contiene cambios materiales, acciones corporativas ni comentarios estratégicos adicionales.

Trinseo PLC(티커: TSE)는 이사 빅토리아 브리포가 이전에 부여된 제한 주식 단위가 확정되면서 발생한 세금 의무를 충당하기 위해 주식을 원천징수했다고 Form 4를 제출했습니다.

해당 신고서에는 2025년 6월 21일자로 단일 비파생 거래가 “F” 거래 코드(세금 원천징수 납부)로 표시되어 있습니다. 총 9,576 보통주가 주당 3.73달러의 가격으로 양도되었으며, 총 약 35,700달러에 해당합니다. 원천징수 후 브리포의 직접 보유 주식 수는 40,741 보통주입니다.

파생 증권은 포함되지 않았으며, 공개 시장에서의 매수나 임의 매도도 없었습니다. 이 거래는 세금 원천징수를 위한 것이므로 내부자의 Trinseo 전망에 대한 의견을 반드시 반영하지는 않지만, 원천징수 전 50,317주에서 약 19% 감소한 주식 수를 줄였습니다.

일상적인 세금 관련 주식 원천징수 외에는 신고서에 다른 중요한 변경사항, 기업 활동 또는 전략적 논평이 포함되어 있지 않습니다.

Trinseo PLC (symbole : TSE) a déposé un formulaire 4 révélant que la directrice Victoria Brifo a retenu des actions pour couvrir les obligations fiscales liées à l’acquisition d’unités d’actions restreintes précédemment attribuées.

Le dépôt indique une seule transaction non dérivée datée du 21/06/2025 avec le code de transaction « F » (paiement des retenues fiscales). Un total de 9 576 actions ordinaires ont été remises au prix indiqué de 3,73 $ par action, soit environ 35,7 mille dollars. Après la retenue, la propriété directe de Brifo s’élève à 40 741 actions ordinaires.

Aucun titre dérivé n’a été impliqué et il n’y a eu ni achats sur le marché libre ni ventes discrétionnaires. Comme la transaction concernait une retenue fiscale, elle ne reflète pas nécessairement le sentiment de l’initié sur les perspectives de Trinseo, mais elle réduit son nombre d’actions en circulation d’environ 19 % par rapport au total avant retenue de 50 317 actions.

En dehors de la remise d’actions liée à la fiscalité, le dépôt ne contient aucun changement matériel, action d’entreprise ou commentaire stratégique supplémentaire.

Trinseo PLC (Ticker: TSE) reichte ein Formular 4 ein, das offenlegt, dass die Direktorin Victoria Brifo Aktien zurückbehalten hat, um Steuerverpflichtungen im Zusammenhang mit der Ausübung zuvor gewährter Restricted Stock Units zu erfüllen.

Die Einreichung zeigt eine einzelne nicht-derivative Transaktion vom 21.06.2025 mit dem Transaktionscode „F“ (Zahlung der Steuerabzüge). Insgesamt wurden 9.576 Stammaktien zu einem angegebenen Preis von 3,73 $ pro Aktie abgegeben, was etwa 35,7 Tausend $ entspricht. Nach der Zurückbehaltung hält Brifo direkt 40.741 Stammaktien.

Es waren keine derivativen Wertpapiere beteiligt, und es gab keine Käufe am offenen Markt oder diskretionäre Verkäufe. Da die Transaktion der Steuerabführung diente, spiegelt sie nicht unbedingt die Einschätzung der Insiderin zu den Aussichten von Trinseo wider, reduziert jedoch ihre ausstehenden Aktien um etwa 19 % gegenüber dem Vorher-Bestand von 50.317 Aktien.

Abgesehen von der routinemäßigen steuerbedingten Aktienabgabe enthält die Einreichung keine weiteren wesentlichen Änderungen, Unternehmensmaßnahmen oder strategischen Kommentare.

Positive
  • None.
Negative
  • Insider shareholdings declined by 9,576 shares (≈19% of prior holdings), which may be perceived negatively despite being tax-related.

Insights

TL;DR: Routine tax-withholding; neutral for valuation, slight optics hit due to insider share reduction.

The Form 4 reports a code F transaction where director Victoria Brifo had 9,576 shares withheld at $3.73 to satisfy taxes on vested RSUs. Post-transaction holdings are 40,741 shares. This event is administrative and non-discretionary, so it carries no direct signal on future earnings or cash flows. The share count surrendered is modest relative to Trinseo’s 34 million-plus shares outstanding and should have an immaterial impact on float or supply–demand dynamics. From a valuation standpoint the filing is neutral.

TL;DR: Compliance-driven filing; no governance red flags detected.

Code F transactions are treated favorably by governance observers because the insider does not exercise discretion to sell; shares are automatically withheld by the issuer for statutory tax obligations. Brifo remains compliant with Section 16 reporting timelines (filed within two business days). Her remaining 40,741-share stake continues to align her interests with shareholders. No 10b5-1 plan was cited, but one is not required for a tax-withholding event. Overall, the governance impact is neutral and non-material to investors’ oversight considerations.

Trinseo PLC (Ticker: TSE) ha presentato un modulo Form 4 comunicando che la direttrice Victoria Brifo ha trattenuto azioni per coprire gli obblighi fiscali derivanti dal consolidamento di unità azionarie ristrette precedentemente assegnate.

Il documento mostra una singola transazione non derivata datata 21/06/2025 con codice transazione “F” (pagamento delle ritenute fiscali). Sono state consegnate in totale 9.576 azioni ordinarie al prezzo indicato di 3,73 $ per azione, per un valore complessivo di circa 35,7 mila $. Dopo la trattenuta, la proprietà diretta di Brifo ammonta a 40.741 azioni ordinarie.

Non sono stati coinvolti titoli derivati né acquisti sul mercato aperto o vendite discrezionali. Poiché la transazione riguarda una ritenuta fiscale, non riflette necessariamente il sentimento dell’insider sulle prospettive di Trinseo, ma riduce il numero di azioni in suo possesso di circa il 19% rispetto al totale pre-ritenuta di 50.317 azioni.

Oltre alla consueta consegna di azioni per motivi fiscali, il documento non contiene cambiamenti materiali, azioni societarie o commenti strategici aggiuntivi.

Trinseo PLC (Ticker: TSE) presentó un Formulario 4 revelando que la directora Victoria Brifo retuvo acciones para cubrir obligaciones fiscales derivadas de la consolidación de unidades restringidas de acciones previamente otorgadas.

El documento muestra una única transacción no derivada fechada el 21/06/2025 con código de transacción “F” (pago de retenciones fiscales). Se entregaron un total de 9,576 acciones ordinarias a un precio indicado de $3.73 por acción, equivalente a aproximadamente $35.7 mil. Tras la retención, la propiedad directa de Brifo es de 40,741 acciones ordinarias.

No se involucraron valores derivados ni compras en el mercado abierto o ventas discrecionales. Dado que la transacción fue para retención fiscal, no refleja necesariamente el sentimiento del insider sobre las perspectivas de Trinseo, pero reduce su cantidad de acciones en circulación en aproximadamente un 19% desde el total previo a la retención de 50,317 acciones.

Aparte de la entrega rutinaria de acciones por motivos fiscales, el documento no contiene cambios materiales, acciones corporativas ni comentarios estratégicos adicionales.

Trinseo PLC(티커: TSE)는 이사 빅토리아 브리포가 이전에 부여된 제한 주식 단위가 확정되면서 발생한 세금 의무를 충당하기 위해 주식을 원천징수했다고 Form 4를 제출했습니다.

해당 신고서에는 2025년 6월 21일자로 단일 비파생 거래가 “F” 거래 코드(세금 원천징수 납부)로 표시되어 있습니다. 총 9,576 보통주가 주당 3.73달러의 가격으로 양도되었으며, 총 약 35,700달러에 해당합니다. 원천징수 후 브리포의 직접 보유 주식 수는 40,741 보통주입니다.

파생 증권은 포함되지 않았으며, 공개 시장에서의 매수나 임의 매도도 없었습니다. 이 거래는 세금 원천징수를 위한 것이므로 내부자의 Trinseo 전망에 대한 의견을 반드시 반영하지는 않지만, 원천징수 전 50,317주에서 약 19% 감소한 주식 수를 줄였습니다.

일상적인 세금 관련 주식 원천징수 외에는 신고서에 다른 중요한 변경사항, 기업 활동 또는 전략적 논평이 포함되어 있지 않습니다.

Trinseo PLC (symbole : TSE) a déposé un formulaire 4 révélant que la directrice Victoria Brifo a retenu des actions pour couvrir les obligations fiscales liées à l’acquisition d’unités d’actions restreintes précédemment attribuées.

Le dépôt indique une seule transaction non dérivée datée du 21/06/2025 avec le code de transaction « F » (paiement des retenues fiscales). Un total de 9 576 actions ordinaires ont été remises au prix indiqué de 3,73 $ par action, soit environ 35,7 mille dollars. Après la retenue, la propriété directe de Brifo s’élève à 40 741 actions ordinaires.

Aucun titre dérivé n’a été impliqué et il n’y a eu ni achats sur le marché libre ni ventes discrétionnaires. Comme la transaction concernait une retenue fiscale, elle ne reflète pas nécessairement le sentiment de l’initié sur les perspectives de Trinseo, mais elle réduit son nombre d’actions en circulation d’environ 19 % par rapport au total avant retenue de 50 317 actions.

En dehors de la remise d’actions liée à la fiscalité, le dépôt ne contient aucun changement matériel, action d’entreprise ou commentaire stratégique supplémentaire.

Trinseo PLC (Ticker: TSE) reichte ein Formular 4 ein, das offenlegt, dass die Direktorin Victoria Brifo Aktien zurückbehalten hat, um Steuerverpflichtungen im Zusammenhang mit der Ausübung zuvor gewährter Restricted Stock Units zu erfüllen.

Die Einreichung zeigt eine einzelne nicht-derivative Transaktion vom 21.06.2025 mit dem Transaktionscode „F“ (Zahlung der Steuerabzüge). Insgesamt wurden 9.576 Stammaktien zu einem angegebenen Preis von 3,73 $ pro Aktie abgegeben, was etwa 35,7 Tausend $ entspricht. Nach der Zurückbehaltung hält Brifo direkt 40.741 Stammaktien.

Es waren keine derivativen Wertpapiere beteiligt, und es gab keine Käufe am offenen Markt oder diskretionäre Verkäufe. Da die Transaktion der Steuerabführung diente, spiegelt sie nicht unbedingt die Einschätzung der Insiderin zu den Aussichten von Trinseo wider, reduziert jedoch ihre ausstehenden Aktien um etwa 19 % gegenüber dem Vorher-Bestand von 50.317 Aktien.

Abgesehen von der routinemäßigen steuerbedingten Aktienabgabe enthält die Einreichung keine weiteren wesentlichen Änderungen, Unternehmensmaßnahmen oder strategischen Kommentare.

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*
Brifo Victoria

(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)
06/21/2025
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 06/21/2025 F 9,576(1) D $3.73 40,741 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. Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units.
/s/ Angelo Chaclas, Attorney-in-Fact 06/24/2025
** 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 (TSE) shares were surrendered in the latest Form 4?

9,576 ordinary shares were withheld for taxes.

Who filed the Form 4 for Trinseo on 06/24/2025?

Director Victoria Brifo filed the statement.

What does transaction code "F" mean in the Trinseo Form 4?

Code F denotes shares withheld to pay taxes upon the vesting of equity awards.

What is Victoria Brifo's remaining share ownership after the transaction?

She now owns 40,741 ordinary shares directly.

At what price were the Trinseo shares valued for the tax withholding?

The indicated price was $3.73 per share.
Trinseo Plc

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