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[8-K] Trinseo PLC Reports Material Event

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
8-K
Rhea-AI Filing Summary
Analyzing...
Positive
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Negative
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Insights

TL;DR: Minor insider sale; immaterial at <0.01 %, neutral impact.

The filing signals a potential sale of 18,120 DJT shares worth ~$294k by Vladimir Novachki, following a May sale of 17,823 shares. Together, the two transactions equal ~0.013 % of outstanding stock—too small to move valuation or liquidity for a float of 277 million shares. No negative operational data accompanies the notice, and Rule 144 filings do not guarantee execution. I view the disclosure as routine and non-impactful to the investment thesis.

TL;DR: Compliance filing shows insider intent; monitoring advised but not alarming.

This Form 144 demonstrates governance procedures are being followed—Novachki is providing advance notice as required. The equity originates from restricted stock vesting, a standard form of compensation. With minimal percentage relative to total shares and complete disclosure of brokerage, timing, and previous sales, I see no governance red flags. Investors should track cumulative selling patterns, yet today’s filing alone carries neutral materiality.

00-00000000001519061false00015190612025-08-062025-08-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 6, 2025

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

Name of 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.

ITEM 2.02

Results of Operations and Financial Condition

On August 6, 2025, Trinseo PLC, a public limited company existing under the laws of Ireland (the “Company”), issued a press release announcing its financial results for the second quarter and year ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto. The Company intends to hold an investor call and webcast to discuss these results on Thursday, August 7, 2025 at 10 AM Eastern Time. Ahead of this call the Company is also making available on its website an investor presentation, which will be discussed on the call and is furnished as Exhibit 99.2 hereto.

The information contained herein and in the accompanying exhibits shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

ITEM 9.01.

Financial Statements and Exhibits

(d) Exhibits

ay

Exhibit
Number

Description

99.1

Press Release dated August 6, 2025

99.2

Investor Presentation, dated August 6, 2025

104

Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

a

TRINSEO PLC

By:

/s/ David Stasse

Name:

David Stasse

Title:

Executive Vice President and Chief Financial Officer

Date: August 6, 2025

Trinseo Plc

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