Quiet on the insider front: nobody at Trinseo PLC bought or sold TSEOQ shares on the open market this past year.
6 investment managers listed TSEOQ in their latest 13F filings (Q2 2026); more funds sold than bought. Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 2 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | FARRELL MATTHEW | Director | Buy | 48,609 | $2.43 | $118K | SEC |
| Aug 14, 2025 | FARRELL MATTHEW | Director | Buy | 25,000 | $2.29 | $57K | SEC |
| Aug 14, 2025 | FARRELL MATTHEW | Director | Buy | 26,391 | $2.45 | $65K | SEC |
| Mar 14, 2025 | Frisch Johanna | Officer | Buy | 1,100 | $4.02 | $4K | SEC |
| Mar 14, 2025 | Frisch Johanna | Officer | Buy | 1,500 | $4.10 | $6K | SEC |
| Mar 14, 2025 | Frisch Johanna | Officer | Buy | 1,200 | $4.28 | $5K | SEC |
| Aug 20, 2024 | COTE JEFFREY J | Director | Buy | 100,000 | $2.81 | $281K | SEC |
| Aug 20, 2024 | COTE JEFFREY J | Director | Buy | 50,600 | $3.39 | $172K | SEC |
| Aug 14, 2024 | TOMKINS MARK E | Director | Sell | 11,142 | $2.54 | $28K | SEC |
| Aug 14, 2024 | BOZICH FRANK A | CEO | Buy | 40,000 | $2.57 | $103K | SEC |
| Aug 14, 2024 | Chaclas Angelo N. | Executive Officer | Buy | 75,000 | $2.57 | $193K | SEC |
| Dec 18, 2023 | FARRELL MATTHEW | Director | Buy | 50,000 | $7.21 | $360K | SEC |
| Sep 18, 2023 | Stasse David Phillip | CFO | Buy | 15,000 | $8.89 | $133K | SEC |
| Sep 13, 2023 | Thomas Timothy J | Executive Officer | Buy | 3,000 | $7.94 | $24K | SEC |
| Sep 13, 2023 | BOZICH FRANK A | CEO | Buy | 8,000 | $8.07 | $65K | SEC |
There were no open-market insider trades in TSEOQ in the last 12 months. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
6 investment managers reported holding TSEOQ in SEC Form 13F filings for Q2 2026.
No congressional trades in TSEOQ were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).