Companies / Trinseo PLC
Trinseo PLC
OTC: TSECIK 1519061WAYNE, PA
Financials · FY2025
Ownership
36.6M shares outstanding · as of Jul 31, 2026
Ownership
| 10%+ / strategic | 5.72% | 2,091,125 |
| Public float | 94.28% | 34,468,743 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 17
View all →| Insider | % of shares | Shares |
|---|---|---|
Alvarado JosephDirector | — | — |
Bozich Frank aCEOCEO AND PRESIDENT · Director | — | — |
Chaclas Angelo N.SVP, CLO, CCO & CORP. SEC. | — | — |
Cooney Paula M.SVP, CHRO | — | — |
Cote Jeffrey JDirector | — | — |
Farrell MatthewDirector | — | — |
Flaton CarolDirector | — | — |
Frizzley Jill KathleenDirector | — | — |
Greene RogerVP, GLOBAL CONTROLLER & PAO | — | — |
Hendriks HanSVP, CHIEF TECHNOLOGY OFFICER | — | — |
Institutional holders 0
| Holder | Value | % of shares |
|---|---|---|
| No institutional holders on file. | ||
Activity
InsidersInstitutions
Who's accumulating and trimming this stock (13F).No activity matches these filters.
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| CastleKnight Master Fund LP | Passive13G/A | — |
| Charles Schwab Investment Management Inc | Passive13G | — |