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Symbol';">&#9744;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 6pt 0pt;">Securities registered pursuant to Section 12(b) of the Act:</p><a id="_44be8218_0215_4675_aa98_5b460d437c96"></a><a id="Tc_pS4bC_kxn02DhUF2Dv-F9A_1_0"></a><a id="Tc_4KSYo0521EmqlvJICTuupQ_1_1"></a><a id="Tc_Akmngs_7akeaENdMChNzLg_1_2"></a><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Title of Each Class</b></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Trading symbol(s)</b></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Name of Each Exchange on which registered</b></p></td></tr><tr><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:9pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric 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<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:88.24%;border:0;margin:30pt 5.88% 30pt 5.88%;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;">ITEM 5.02&#160;  Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;   Compensatory Arrangements of Certain Officers.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">(b)  Departure of Directors or Certain Officers</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="white-space:pre-wrap;">Trinseo S.A. (the &#8220;Company&#8221;) announced that, in connection with a reorganization of the Company&#8217;s management team, Hayati Yarkadas, Senior Vice President and Business President, has elected, effective October 2, 2019, to step down from his position in order to pursue other opportunities.  It is expected that Mr. Yarkadas will remain an employee of the Company until September 30, 2020.  A copy of the Company&#8217;s reorganization announcement is filed as Exhibit 99.1 hereto and is incorporated herein by reference.</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="white-space:pre-wrap;">In connection with the above-referenced reorganization, Timothy Stedman, Senior Vice President and Business President, entered into an agreement with the Company&#8217;s subsidiary, Trinseo Europe GmbH, on October 2, 2019 pursuant to which he agreed to have his title and duties changed to Senior Vice President, Corporate Development and Strategy.  A copy of this agreement is filed as Exhibit 10.2 hereto and is incorporated herein by reference.</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">(e)   Compensatory Arrangements of Certain Officers</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="white-space:pre-wrap;">In connection with his election to leave the Company, Mr. Yarkadas entered into a separation agreement with the Company&#8217;s subsidiary, Trinseo Europe GmbH, on October 2, 2019, pursuant to which he will receive the following:  a severance payment equal to one year&#8217;s salary, subject to a downward adjustment to the extent his employment extends beyond September 30, 2020; 100% of his 2019 annual cash bonus earned according to the Company&#8217;s policies; and continued health and welfare benefits as provided in his employment contract or required by local law.  The foregoing summary of the agreement with Mr. Yarkadas is supplemented and qualified in all respects by reference to the full terms of the agreement, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference.</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">ITEM 9.01  Financial Statements and Exhibits.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;">(d) Exhibits</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr><td style="vertical-align:bottom;width:12.12%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Exhibit<br />Number</b></p></td><td style="vertical-align:bottom;width:2.65%;border-bottom:1.0pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:85.22%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Description</b></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">10.1</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex101d3acad.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Separation Agreement between Hayati Yarkadas and Trinseo Europe GmbH, dated October 2, 2019</span></a></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">10.2</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex102dd82bd.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Letter Agreement Amendment to the Employment Agreement between Timothy Stedman and Trinseo Europe GmbH, dated October 2, 2019</span></a></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">99.1</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex991bcc91d.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Press Release, dated October 3, 2019</span></a></p></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="line-height:1.19;margin-bottom:0pt;visibility:hidden;">&#8203;</span></p><a id="_12002d86_dc60_4e3a_bf19_09c2a827a3bf"></a></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:88.24%;border:0;margin:30pt 5.88% 30pt 5.88%;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">EXHIBIT&#160;INDEX</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;table-layout:auto;width:100%;"><tr><td style="vertical-align:bottom;width:12.12%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Exhibit</b><br /><b style="font-weight:bold;">Number</b></p></td><td style="vertical-align:bottom;width:2.65%;border-bottom:1.0pt solid transparent;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:85.22%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Description</b></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">10.1</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex101d3acad.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Separation Agreement between Hayati Yarkadas and Trinseo Europe GmbH, dated October 2, 2019</span></a></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">10.2</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex102dd82bd.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Letter Agreement Amendment to the Employment Agreement between Timothy Stedman and Trinseo Europe GmbH, dated October 2, 2019</span></a></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">99.1</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="tse-20191002ex991bcc91d.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Press Release, dated October 3, 2019</span></a></p></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="line-height:1.19;margin-bottom:0pt;visibility:hidden;">&#8203;</span></p><a id="_e69ea70c_e942_424d_a16c_59069fa8f8c5"></a></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:88.24%;border:0;margin:30pt 5.88% 30pt 5.88%;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt 0pt 6pt 0pt;"><b style="font-weight:bold;">SIGNATURE</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;">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.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td colspan="2" style="vertical-align:bottom;width:48.58%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;">TRINSEO S.A.</b></p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">By:</p></td><td style="vertical-align:bottom;width:40.86%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">/s/ Angelo N. Chaclas</p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Name:</p></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Angelo N. Chaclas</p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Title:</p></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Senior Vice President, Chief Legal Officer,<br />Chief Compliance Officer &amp; Corporate Secretary</p></td></tr><tr style="height:14.85pt;"><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="white-space:pre-wrap;">Date:  October 3, 2019</span></p></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="line-height:1.19;margin-bottom:0pt;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;margin-left:5.88%;margin-right:5.88%;margin-top:30pt;page-break-after:avoid;width:88.24%;border:0;"></div></body></html>
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{"company-data": {"conformed-name": "Trinseo S.A.", "cik": "0001519061", "assigned-sic": "2821", "irs-number": "000000000", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-36473", "film-number": "191134410"}, "business-address": {"street1": "1000 CHESTERBROOK BOULEVARD", "street2": "SUITE 3000", "city": "BERWYN", "state": "PA", "zip": "19312", "phone": "610-240-3200"}, "mail-address": {"street1": "1000 CHESTERBROOK BOULEVARD", "street2": "SUITE 3000", "city": "BERWYN", "state": "PA", "zip": "19312"}, "former-company": {"former-conformed-name": "Bain Capital Everest (Luxco 2) S.a r.l.", "date-changed": "20110426"}}
​
​
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):
October 2, 2019
​
Trinseo S.A.
(Exact name of registrant as specified in its charter)
​
​
​
​
​
​
Luxembourg
​
001-36473
​
N/A
(State or other jurisdiction
of incorporation or organization)
​
(Commission
File Number)
​
(I.R.S. Employer
Identification Number)
​
1000 Chesterbrook Boulevard
,
Suite 300
,
Berwyn
,
Pennsylvania
19312
(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))
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.
☐
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
​
​
​
ITEM 5.02   Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;   Compensatory Arrangements of Certain Officers.
​
(b)  Departure of Directors or Certain Officers
​
Trinseo S.A. (the "Company") announced that, in connection with a reorganization of the Company's management team, Hayati Yarkadas, Senior Vice President and Business President, has elected, effective October 2, 2019, to step down from his position in order to pursue other opportunities.  It is expected that Mr. Yarkadas will remain an employee of the Company until September 30, 2020.  A copy of the Company's reorganization announcement is filed as Exhibit 99.1 hereto and is incorporated herein by reference.
​
In connection with the above-referenced reorganization, Timothy Stedman, Senior Vice President and Business President, entered into an agreement with the Company's subsidiary, Trinseo Europe GmbH, on October 2, 2019 pursuant to which he agreed to have his title and duties changed to Senior Vice President, Corporate Development and Strategy.  A copy of this agreement is filed as Exhibit 10.2 hereto and is incorporated herein by reference.
​
(e)   Compensatory Arrangements of Certain Officers
​
In connection with his election to leave the Company, Mr. Yarkadas entered into a separation agreement with the Company's subsidiary, Trinseo Europe GmbH, on October 2, 2019, pursuant to which he will receive the following:  a severance payment equal to one year's salary, subject to a downward adjustment to the extent his employment extends beyond September 30, 2020; 100% of his 2019 annual cash bonus earned according to the Company's policies; and continued health and welfare benefits as provided in his employment contract or required by local law.  The foregoing summary of the agreement with Mr. Yarkadas is supplemented and qualified in all respects by reference to the full terms of the agreement, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference.
​
ITEM 9.01  Financial Statements and Exhibits.
​
(d) Exhibits
​
Exhibit
Number
Description
10.1
Separation Agreement between Hayati Yarkadas and Trinseo Europe GmbH, dated October 2, 2019
10.2
​
Letter Agreement Amendment to the Employment Agreement between Timothy Stedman and Trinseo Europe GmbH, dated October 2, 2019
99.1
Press Release, dated October 3, 2019
​
​
​
EXHIBIT INDEX
​
Exhibit
Number
Description
10.1
Separation Agreement between Hayati Yarkadas and Trinseo Europe GmbH, dated October 2, 2019
10.2
​
Letter Agreement Amendment to the Employment Agreement between Timothy Stedman and Trinseo Europe GmbH, dated October 2, 2019
99.1
​
Press Release, dated October 3, 2019
​
​
​
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 S.A.
By:
/s/ Angelo N. Chaclas
Name:
Angelo N. Chaclas
Title:
Senior Vice President, Chief Legal Officer,
Chief Compliance Officer & Corporate Secretary
Date:  October 3, 2019
​
​
​