organization · Reporting owner

Bain Capital Fund X LP

Disclosed activity across 2 companies

Tapewire entity: 105871
SEC CIK: 0001417662

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
BRIGHT HORIZONS FAMILY SOLUTIONS INC.BFAM · Entity 531	10% owner	November 28, 2016	November 30, 2016

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

BRIGHT HORIZONS FAMILY SOLUTIONS INC.

Report date November 28, 2016 · Filed November 30, 2016

Jointly reported with Bain Capital Investors LLC, Bain Capital Partners X, L.P., BCIP Associates III, LLC, BCIP Associates III, BCIP Associates III-B, LLC, BCIP Associates III-B, BCIP T Associates III, LLC, BCIP Trust Associates III, BCIP T Associates III-B, LLC

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	IndirectSee Footnotes	12,511,406	Reported balance After 2016-11-28 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2016-11-28 · Sale · Disposed 1,731,904 · Balance 12,511,406 F1: Bain Capital Investors, LLC ("BCI") is the sole member of BC Brightness SPV GP, LLC ("BC SPV GP"), which is the sole general partner of BC Brightness SPV, LP ("BC SPV"). BCI is also the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). Fund X is a limited partner of BC SPV. As a result, BC SPV GP may be deemed to share voting and dispositive power with respect to shares of Common Stock held by BC SPV. In addition, BCP X may be deemed to share voting and dispositive power with respect to shares of Common Stock held by Fund X. Each of BC SPV GP and BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 28, 2016, Fund X sold 1,710,547 shares of Common Stock. Fund X's remaining 12,366,883 shares of Common Stock have been transferred to BC SPV in a transaction that is exempt from Section 16 pursuant to Rule 16a-13. F2: On November 28, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), sold 12,144 shares of Common Stock. Following such sale, BCIP III held 86,815 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F3: On November 28, 2016, BCIP Associates III-B, LLC ("BCIP III-B"), whose manager is BCIP Associates III-B ("BCIPA III-B"), whose managing partner is Boylston, sold 2,516 shares of Common Stock Following such sale, BCIP III-B held 15,761 shares of Common Stock. BCIPA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III-B. BCIPA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F4: On November 28, 2016, BCIP T Associates III, LLC ("BCIPT III"), whose manager is BCIP Trust Associates III ("BCIPTA III"), whose managing partner is Boylston, sold 6,018 shares of Common Stock. Following such sale, BCIPT III held 37,696 shares of Common Stock. BCIPTA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III. BCIPTA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5: On November 28, 2016, BCIP T Associates III-B, LLC ("BCIPT III-B"), whose manager is BCIP Trust Associates III-B ("BCIPTA III-B"), whose managing partner is Boylston, sold 417 shares of Common Stock. Following such sale, BCIPT III-B held 2,610 shares of Common Stock. BCIPTA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III-B. BCIPTA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6: On November 28, 2016, BCIP Associates-G ("BCIP G" and together with Fund X, BC SPV, BCIP III, BCIP III-B, BCIPT III and BCIPT III-B, the "Bain Capital Entities"), whose managing partner is Boylston, sold 262 shares of Common Stock. Following such sale, BCIP G held 1,641 shares of Common Stock. F7: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Entities is directed by the Global Private Equity Board of BCI. As a result, BCI may be deemed to share voting and dispositive power with respect to all of the shares of Common Stock held by the Bain Capital Entities. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Bain Capital Investors, LLC ("BCI") is the sole member of BC Brightness SPV GP, LLC ("BC SPV GP"), which is the sole general partner of BC Brightness SPV, LP ("BC SPV"). BCI is also the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). Fund X is a limited partner of BC SPV. As a result, BC SPV GP may be deemed to share voting and dispositive power with respect to shares of Common Stock held by BC SPV. In addition, BCP X may be deemed to share voting and dispositive power with respect to shares of Common Stock held by Fund X. Each of BC SPV GP and BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 28, 2016, Fund X sold 1,710,547 shares of Common Stock. Fund X's remaining 12,366,883 shares of Common Stock have been transferred to BC SPV in a transaction that is exempt from Section 16 pursuant to Rule 16a-13.

F2: On November 28, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), sold 12,144 shares of Common Stock. Following such sale, BCIP III held 86,815 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F3: On November 28, 2016, BCIP Associates III-B, LLC ("BCIP III-B"), whose manager is BCIP Associates III-B ("BCIPA III-B"), whose managing partner is Boylston, sold 2,516 shares of Common Stock Following such sale, BCIP III-B held 15,761 shares of Common Stock. BCIPA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III-B. BCIPA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4: On November 28, 2016, BCIP T Associates III, LLC ("BCIPT III"), whose manager is BCIP Trust Associates III ("BCIPTA III"), whose managing partner is Boylston, sold 6,018 shares of Common Stock. Following such sale, BCIPT III held 37,696 shares of Common Stock. BCIPTA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III. BCIPTA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F5: On November 28, 2016, BCIP T Associates III-B, LLC ("BCIPT III-B"), whose manager is BCIP Trust Associates III-B ("BCIPTA III-B"), whose managing partner is Boylston, sold 417 shares of Common Stock. Following such sale, BCIPT III-B held 2,610 shares of Common Stock. BCIPTA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III-B. BCIPTA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F6: On November 28, 2016, BCIP Associates-G ("BCIP G" and together with Fund X, BC SPV, BCIP III, BCIP III-B, BCIPT III and BCIPT III-B, the "Bain Capital Entities"), whose managing partner is Boylston, sold 262 shares of Common Stock. Following such sale, BCIP G held 1,641 shares of Common Stock.

F7: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Entities is directed by the Global Private Equity Board of BCI. As a result, BCI may be deemed to share voting and dispositive power with respect to all of the shares of Common Stock held by the Bain Capital Entities. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Trinseo PLC

Report date September 23, 2016 · Filed September 27, 2016

Jointly reported with Bain Capital Investors LLC, Bain Capital Everest Manager Holding SCA, Bain Capital Everest Manager S.a.r.l., Bain Capital Europe Fund III, L.P., Bain Capital Partners Europe III, L.P., Bain Capital Partners X, L.P., BCIP Associates IV, L.P., BCIP Associates IV-B, L.P., BCIP Trust Associates IV, L.P.

Section 16 reporting ended · disclosed 2016-09-27. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
ORDINARY SHARESSEC Table I · non-derivative	IndirectSee Footnotes	0	Reported balance After 2016-09-23 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2016-09-23 · Sale · Disposed 10,669,567 · Balance 0 F1: Represents ordinary shares of Trinseo S.A. held by Bain Capital Everest Manager Holding SCA ("BCEM Holding"), whose general partner is Bain Capital Everest Manager S.a r.l. ("BCEM"). On September 23, 2016, BCEM Holding sold 10,669,567 Ordinary Shares. Following such sale, BCEM Holding held zero Ordinary Shares. F2: All of the outstanding share capital of BCEM is held by Bain Capital Europe Fund III, L.P. ("Europe Fund III") and, in that capacity, Europe Fund III has the power to appoint the managers of BCEM. Bain Capital Investors, LLC ("BCI") is the general partner of Bain Capital Partners Europe III, L.P. ("Partners Europe III"), which is the general partner of Europe Fund III. BCI is also the general partner of Bain Capital Partners X, L.P. ("Partners X"), which is the general partner of Bain Capital Fund X, L.P. ("Fund X"). Boylston Coinvestors, LLC is the general partner of BCIP Associates IV, L.P. ("BCIP IV"), BCIP Associates IV-B, L.P. ("BCIP IV-B"), BCIP Trust Associates IV, L.P. ("BCIP Trust IV") and BCIP Trust Associates IV-B, L.P. ("BCIP Trust IV-B," and, together with BCEM Holdings, BCEM, Europe Fund III, Partners Europe III, Fund X, Partners X, BCIP IV, BCIP IV-B and BCIP Trust IV, the "Bain Capital Entities"). F3: The governance, investment strategy and decision-making process with respect to the investments held by all of the Bain Capital Entities is directed by BCI's Global Private Equity Board. As a result, BCI may be deemed to share voting and dispositive power with respect to the shares of Trinseo S.A. held by BCEM Holding. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Represents ordinary shares of Trinseo S.A. held by Bain Capital Everest Manager Holding SCA ("BCEM Holding"), whose general partner is Bain Capital Everest Manager S.a r.l. ("BCEM"). On September 23, 2016, BCEM Holding sold 10,669,567 Ordinary Shares. Following such sale, BCEM Holding held zero Ordinary Shares.

F2: All of the outstanding share capital of BCEM is held by Bain Capital Europe Fund III, L.P. ("Europe Fund III") and, in that capacity, Europe Fund III has the power to appoint the managers of BCEM. Bain Capital Investors, LLC ("BCI") is the general partner of Bain Capital Partners Europe III, L.P. ("Partners Europe III"), which is the general partner of Europe Fund III. BCI is also the general partner of Bain Capital Partners X, L.P. ("Partners X"), which is the general partner of Bain Capital Fund X, L.P. ("Fund X"). Boylston Coinvestors, LLC is the general partner of BCIP Associates IV, L.P. ("BCIP IV"), BCIP Associates IV-B, L.P. ("BCIP IV-B"), BCIP Trust Associates IV, L.P. ("BCIP Trust IV") and BCIP Trust Associates IV-B, L.P. ("BCIP Trust IV-B," and, together with BCEM Holdings, BCEM, Europe Fund III, Partners Europe III, Fund X, Partners X, BCIP IV, BCIP IV-B and BCIP Trust IV, the "Bain Capital Entities").

F3: The governance, investment strategy and decision-making process with respect to the investments held by all of the Bain Capital Entities is directed by BCI's Global Private Equity Board. As a result, BCI may be deemed to share voting and dispositive power with respect to the shares of Trinseo S.A. held by BCEM Holding. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Transaction history

JSON API

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
November 28, 2016 Filed Nov 30, 2016 22:26 UTC	BRIGHT HORIZONS FAMILY SOLUTIONS INC. BFAM · Entity 531	SaleCommon Stock	1,731,904	$71.11	$123,155,693.44	Disclosure SEC source: 0000899243-16-034574 · doc4.xml · nonDerivative · entry 1 BAIN CAPITAL INVESTORS LLC · CIK 0001040508 · 10% owner Bain Capital Fund X LP · CIK 0001417662 · 10% owner Bain Capital Partners X, L.P. · CIK 0001525871 · 10% owner BCIP Associates III, LLC · CIK 0001379475 · 10% owner BCIP Associates III · CIK 0001379476 · 10% owner BCIP Associates III-B, LLC · CIK 0001379517 · 10% owner BCIP Associates III-B · CIK 0001379519 · 10% owner BCIP T Associates III, LLC · CIK 0001379518 · 10% owner BCIP Trust Associates III · CIK 0001379520 · 10% owner BCIP T Associates III-B, LLC · CIK 0001379516 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnotes Disclosed balance after: 12,511,406 F1 · ownership.nature: Bain Capital Investors, LLC ("BCI") is the sole member of BC Brightness SPV GP, LLC ("BC SPV GP"), which is the sole general partner of BC Brightness SPV, LP ("BC SPV"). BCI is also the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). Fund X is a limited partner of BC SPV. As a result, BC SPV GP may be deemed to share voting and dispositive power with respect to shares of Common Stock held by BC SPV. In addition, BCP X may be deemed to share voting and dispositive power with respect to shares of Common Stock held by Fund X. Each of BC SPV GP and BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 28, 2016, Fund X sold 1,710,547 shares of Common Stock. Fund X's remaining 12,366,883 shares of Common Stock have been transferred to BC SPV in a transaction that is exempt from Section 16 pursuant to Rule 16a-13. F2 · ownership.nature: On November 28, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), sold 12,144 shares of Common Stock. Following such sale, BCIP III held 86,815 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F3 · ownership.nature: On November 28, 2016, BCIP Associates III-B, LLC ("BCIP III-B"), whose manager is BCIP Associates III-B ("BCIPA III-B"), whose managing partner is Boylston, sold 2,516 shares of Common Stock Following such sale, BCIP III-B held 15,761 shares of Common Stock. BCIPA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III-B. BCIPA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F4 · ownership.nature: On November 28, 2016, BCIP T Associates III, LLC ("BCIPT III"), whose manager is BCIP Trust Associates III ("BCIPTA III"), whose managing partner is Boylston, sold 6,018 shares of Common Stock. Following such sale, BCIPT III held 37,696 shares of Common Stock. BCIPTA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III. BCIPTA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5 · ownership.nature: On November 28, 2016, BCIP T Associates III-B, LLC ("BCIPT III-B"), whose manager is BCIP Trust Associates III-B ("BCIPTA III-B"), whose managing partner is Boylston, sold 417 shares of Common Stock. Following such sale, BCIPT III-B held 2,610 shares of Common Stock. BCIPTA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III-B. BCIPTA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6 · ownership.nature: On November 28, 2016, BCIP Associates-G ("BCIP G" and together with Fund X, BC SPV, BCIP III, BCIP III-B, BCIPT III and BCIPT III-B, the "Bain Capital Entities"), whose managing partner is Boylston, sold 262 shares of Common Stock. Following such sale, BCIP G held 1,641 shares of Common Stock. F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Entities is directed by the Global Private Equity Board of BCI. As a result, BCI may be deemed to share voting and dispositive power with respect to all of the shares of Common Stock held by the Bain Capital Entities. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
November 21, 2016 Filed Nov 23, 2016 21:17 UTC	BRIGHT HORIZONS FAMILY SOLUTIONS INC. BFAM · Entity 531	OtherCommon Stock	265,528	$0.00	$0.00	Disclosure SEC source: 0000899243-16-034322 · doc4.xml · nonDerivative · entry 1 BAIN CAPITAL INVESTORS LLC · CIK 0001040508 · 10% owner Bain Capital Fund X LP · CIK 0001417662 · 10% owner Bain Capital Partners X, L.P. · CIK 0001525871 · 10% owner BCIP Associates III, LLC · CIK 0001379475 · 10% owner BCIP Associates III · CIK 0001379476 · 10% owner BCIP Associates III-B, LLC · CIK 0001379517 · 10% owner BCIP Associates III-B · CIK 0001379519 · 10% owner BCIP T Associates III, LLC · CIK 0001379518 · 10% owner BCIP Trust Associates III · CIK 0001379520 · 10% owner BCIP T Associates III-B, LLC · CIK 0001379516 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See footnotes Disclosed balance after: 14,243,310 F1 · kind: Bain Capital Investors, LLC ("BCI") is the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). As a result, BCP X may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by Fund X. BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 21, 2016, Fund X distributed 263,813 shares of Common Stock to one or more members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, Fund X held 14,077,430 shares of Common Stock. F2 · kind: On November 21, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), distributed 1,715 shares of Common Stock to one or more of its members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, BCIP III held 98,959 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F1 · shares: Bain Capital Investors, LLC ("BCI") is the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). As a result, BCP X may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by Fund X. BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 21, 2016, Fund X distributed 263,813 shares of Common Stock to one or more members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, Fund X held 14,077,430 shares of Common Stock. F2 · shares: On November 21, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), distributed 1,715 shares of Common Stock to one or more of its members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, BCIP III held 98,959 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F1 · ownership.nature: Bain Capital Investors, LLC ("BCI") is the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). As a result, BCP X may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by Fund X. BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 21, 2016, Fund X distributed 263,813 shares of Common Stock to one or more members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, Fund X held 14,077,430 shares of Common Stock. F2 · ownership.nature: On November 21, 2016, BCIP Associates III, LLC ("BCIP III"), whose manager is BCIP Associates III ("BCIPA III"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), distributed 1,715 shares of Common Stock to one or more of its members or partners in connection with certain charitable gifts made on November 21, 2016. Following such distribution, BCIP III held 98,959 shares of Common Stock. BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F3 · ownership.nature: As of November 21, 2016, BCIP Associates III-B, LLC ("BCIP III-B"), whose manager is BCIP Associates III-B ("BCIPA III-B"), whose managing partner is Boylston, held 18,277 shares of Common Stock. BCIPA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III-B. BCIPA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F4 · ownership.nature: As of November 21, 2016, BCIP T Associates III, LLC ("BCIPT III"), whose manager is BCIP Trust Associates III ("BCIPTA III"), whose managing partner is Boylston, held 43,714 shares of Common Stock. BCIPTA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III. BCIPTA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5 · ownership.nature: As of November 21, 2016, BCIP T Associates III-B, LLC ("BCIPT III-B"), whose manager is BCIP Trust Associates III-B ("BCIPTA III-B"), whose managing partner is Boylston, held 3,027 shares of Common Stock. BCIPTA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III-B. BCIPTA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6 · ownership.nature: As of November 21, 2016, BCIP Associates-G ("BCIP G" and together with Fund X, BCIP III, BCIP III-B, BCIPT III and BCIPT III-B, the "Bain Capital Entities"), whose managing partner is Boylston, held 1,903 shares of Common Stock. F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Entities is directed by the Global Private Equity Board of BCI. As a result, BCI may be deemed to share voting and dispositive power with respect to all of the shares of Common Stock held by the Bain Capital Entities. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
September 23, 2016 Filed Sep 27, 2016 20:53 UTC	Trinseo PLC TSE · Entity 8671	SaleORDINARY SHARES	10,669,567	$54.05	$576,690,096.35	Disclosure SEC source: 0000899243-16-030141 · doc4.xml · nonDerivative · entry 1 BAIN CAPITAL INVESTORS LLC · CIK 0001040508 · 10% owner Bain Capital Everest Manager Holding SCA · CIK 0001607423 · 10% owner Bain Capital Everest Manager S.a.r.l. · CIK 0001610192 · 10% owner Bain Capital Europe Fund III, L.P. · CIK 0001610293 · 10% owner Bain Capital Partners Europe III, L.P. · CIK 0001610292 · 10% owner Bain Capital Fund X LP · CIK 0001417662 · 10% owner Bain Capital Partners X, L.P. · CIK 0001525871 · 10% owner BCIP Associates IV, L.P. · CIK 0001561353 · 10% owner BCIP Associates IV-B, L.P. · CIK 0001561352 · 10% owner BCIP Trust Associates IV, L.P. · CIK 0001610291 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See Footnotes Disclosed balance after: 0 F1 · ownership.nature: Represents ordinary shares of Trinseo S.A. held by Bain Capital Everest Manager Holding SCA ("BCEM Holding"), whose general partner is Bain Capital Everest Manager S.a r.l. ("BCEM"). On September 23, 2016, BCEM Holding sold 10,669,567 Ordinary Shares. Following such sale, BCEM Holding held zero Ordinary Shares. F2 · ownership.nature: All of the outstanding share capital of BCEM is held by Bain Capital Europe Fund III, L.P. ("Europe Fund III") and, in that capacity, Europe Fund III has the power to appoint the managers of BCEM. Bain Capital Investors, LLC ("BCI") is the general partner of Bain Capital Partners Europe III, L.P. ("Partners Europe III"), which is the general partner of Europe Fund III. BCI is also the general partner of Bain Capital Partners X, L.P. ("Partners X"), which is the general partner of Bain Capital Fund X, L.P. ("Fund X"). Boylston Coinvestors, LLC is the general partner of BCIP Associates IV, L.P. ("BCIP IV"), BCIP Associates IV-B, L.P. ("BCIP IV-B"), BCIP Trust Associates IV, L.P. ("BCIP Trust IV") and BCIP Trust Associates IV-B, L.P. ("BCIP Trust IV-B," and, together with BCEM Holdings, BCEM, Europe Fund III, Partners Europe III, Fund X, Partners X, BCIP IV, BCIP IV-B and BCIP Trust IV, the "Bain Capital Entities"). F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by all of the Bain Capital Entities is directed by BCI's Global Private Equity Board. As a result, BCI may be deemed to share voting and dispositive power with respect to the shares of Trinseo S.A. held by BCEM Holding. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.