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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

Amendment No. 1

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 26, 2024

Trinseo PLC

(Exact name of registrant as specified in its charter)

Ireland

001-36473

N/A

(State or other jurisdiction
of incorporation or organization)

(Commission
File Number)

(I.R.S. Employer
Identification Number)

440 East Swedesford Road, Suite 301,

Wayne, Pennsylvania 19087

(Address of principal executive offices, including zip code)

(610) 240-3200

(Telephone number, including area code)

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

Ordinary Shares, par value $0.01 per share

TSE

New York Stock Exchange

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.

Explanatory Note

This Current Report on Form 8-K/A (this “Current Report”) amends the Current Report on Form 8-K filed by Trinseo PLC (the “Company”) with the Securities and Exchange Commission on September 30, 2024 (the “Original Report”) and is being filed in order to update the Company’s disclosure under Item 5.02 of the Original Report to correct the description of changes to Mr. Hendriks’ compensation. The Original Report otherwise remains unchanged.

ITEM 5.02  Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On September 26, 2024, the Board of Directors of the Company approved a restructuring plan, and in connection with such plan the Company revised its compensation for Han Hendriks, its SVP, Chief Technology and Sustainability Officer, in recognition of his expanded scope in the new organizational structure. Pursuant to the revised compensation package, Mr. Hendriks’ annual long term incentive compensation target amount will be increased to 85% of base salary starting in the 2025 calendar year.

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.

TRINSEO PLC

By:

/s/ David Stasse

Name:

David Stasse

Title:

Executive Vice President and Chief Financial Officer

Date: October 7, 2024

v3.24.3
Document and Entity Information
Sep. 26, 2024
Document and Entity Information [Abstract]  
Document Type 8-K/A
Document Period End Date Sep. 26, 2024
Entity File Number 001-36473
Entity Registrant Name Trinseo PLC
Entity Incorporation, State or Country Code L2
Entity Tax Identification Number 00-0000000
Entity Address State Or Province PA
Entity Address, Address Line One 440 East Swedesford Road
Entity Address, Adress Line Two Suite 301
Entity Address, City or Town Wayne
Entity Address, Postal Zip Code 19087
City Area Code 610
Local Phone Number 240-3200
Title of 12(b) Security Ordinary Shares, par value $0.01 per share
Trading Symbol TSE
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001519061
Amendment Flag false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
v3.24.3
Document Information
Sep. 26, 2024
Document and Entity Information [Abstract]  
Document Type 8-K/A
Amendment false
CIK 0001519061
Registrant Name Trinseo PLC
Period End Date Sep. 26, 2024

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