| $197M | ||
| $100M | ||
| $60M | ||
| $50M | ||
| $8M | ||
| $7M |
Buys | $255,736 | 6 | 100 |
Sells | $0 | 0 | 0 |
| FARRELL MATTHEW | director | 3 | $240,028 | 0 | $0 | $240,028 |
| Frisch Johanna | VP AND TREASURER | 3 | $15,708 | 0 | $0 | $15,708 |
Trinseo PLC, a materials solutions provider, manufactures and sells plastics and latex binders in the United States, Europe, the Asia-Pacific, and internationally. The company operates through six segments: Engineered Materials, Latex Binders, Base Plastics, Polystyrene, Feedstocks, and Americas Styrenics. The Engineered Materials segment offers rigid compounds, including polycarbonate compounds, acrylonitrile-butadiene-styrene compounds, and PC blends to consumer electronics and medical markets for equipment housing applications; thermoplastic elastomer soft plastic compounds, such as overmolds, sealings, tubing, and films for footwear shoe sole, personal care, consumer electronics, and automotive high-end applications; and PMMA products to building and construction, automotive, medical, and consumer goods applications. The Latex Binders segment provides styrene-butadiene, styrene-acrylate, vinylidene chloride, and butadiene-methacrylate latex products for the commercial and niche carpet markets, as well as performance latex products for the adhesive, building and construction, and technical textile paper markets. The Base Plastics segment offers various compounds and blends for automotive and other applications. This segment also engages in the acrylonitrile-butadiene-styrene, styrene-acrylonitrile, and polycarbonate businesses. The Polystyrene segment provides general purpose polystyrenes and high impact polystyrene for use in appliances, food packaging and food service disposables, consumer electronics, and building and construction materials. The Feedstocks segment offers styrene monomer, a basic building block of plastics. The Americas Styrenics segment provides styrene and polystyrene. The company was incorporated in 2015 and is based in Berwyn, Pennsylvania.
Over the last 12 months, insiders at Trinseo PLC have bought $255,736 and sold $0 worth of Trinseo PLC stock.
On average, over the past 5 years, insiders at Trinseo PLC have bought $620,174 and sold $8.38M worth of stock each year.
Highest buying activity among insiders over the last 12 months: FARRELL MATTHEW (director) — $240,028. Frisch Johanna (VP AND TREASURER) — $15,708.
The last purchase of 48,609 shares for transaction amount of $118,120 was made by FARRELL MATTHEW (director) on 2025‑08‑14.
| 2025-08-14 | FARRELL MATTHEW | director | 48,609 0.1352% | $2.43 | $118,120 | -39.09% | ||
| 2025-08-13 | FARRELL MATTHEW | director | 26,391 0.0717% | $2.45 | $64,658 | -41.04% | ||
| 2025-08-12 | FARRELL MATTHEW | director | 25,000 0.0777% | $2.29 | $57,250 | -35.65% | ||
| 2025-03-14 | Frisch Johanna | VP AND TREASURER | 1,500 0.0041% | $4.10 | $6,150 | -40.80% | ||
| 2025-03-13 | Frisch Johanna | VP AND TREASURER | 1,100 0.0031% | $4.02 | $4,422 | -37.87% | ||
| 2025-03-12 | Frisch Johanna | VP AND TREASURER | 1,200 0.0033% | $4.28 | $5,136 | -42.43% | ||
| 2024-08-19 | COTE JEFFREY J | director | 50,600 0.1466% | $3.39 | $171,534 | +22.71% | ||
| 2024-08-16 | COTE JEFFREY J | director | 100,000 0.3179% | $2.81 | $281,000 | +39.79% | ||
| 2024-08-13 | Sale | TOMKINS MARK E | director | 11,142 0.032% | $2.54 | $28,301 | +62.30% | |
| 2024-08-12 | BOZICH FRANK A | CEO AND PRESIDENT | 40,000 0.1163% | $2.57 | $102,800 | +64.29% | ||
| 2024-08-12 | Chaclas Angelo N. | SVP, CLO, CCO & CORP. SEC. | 75,000 0.2181% | $2.57 | $192,750 | +64.29% | ||
| 2023-12-14 | FARRELL MATTHEW | director | 50,000 0.1452% | $7.21 | $360,500 | -43.29% | ||
| 2023-09-14 | Stasse David Phillip | EVP AND CFO | 15,000 0.0424% | $8.89 | $133,350 | -50.46% | ||
| 2023-09-13 | Desmond Jeanmarie F. | director | 2,500 0.0071% | $7.94 | $19,850 | -43.93% | ||
| 2023-09-12 | BOZICH FRANK A | CEO AND PRESIDENT | 8,000 0.023% | $8.07 | $64,560 | -44.37% | ||
| 2023-09-12 | Chaclas Angelo N. | SVP, CLO, CCO & CORP. SEC. | 20,000 0.0575% | $8.07 | $161,400 | -44.37% | ||
| 2023-09-12 | Thomas Timothy J | SVP, MFCTG & OPER EXCELLENCE | 3,000 0.0085% | $7.94 | $23,820 | -44.37% | ||
| 2022-11-16 | Sale | MARTENS PHILIP R | director | 6,900 0.0196% | $24.59 | $169,706 | -28.17% | |
| 2022-09-07 | Desmond Jeanmarie F. | 2,850 0.0079% | $25.01 | $71,279 | -21.38% | |||
| 2022-08-15 | COTE JEFFREY J | 10,000 0.0288% | $31.76 | $317,600 | -31.91% |
| FARRELL MATTHEW | director | 250225 0.6952% | $124,361.83 | 6 | 0 | <0.0001% |
| Frisch Johanna | VP AND TREASURER | 18092 0.0503% | $8,991.72 | 3 | 0 | |
| Vasseur Aurelien | 10669567 29.643% | $5.3M | 0 | 3 | ||
| Hauser Felix | 10669567 29.643% | $5.3M | 0 | 3 | ||
| M&G INVESTMENT MANAGEMENT LTD | 7625044 21.1845% | $3.79M | 1 | 48 | +144.84% | |
| BOZICH FRANK A | CEO AND PRESIDENT | 462204 1.2841% | $229,715.39 | 4 | 5 | +21.05% |
| Chaclas Angelo N. | SVP, CLO, CCO & CORP. SEC. | 207007 0.5751% | $102,882.48 | 2 | 4 | +9.96% |
| COTE JEFFREY J | director | 150600 0.4184% | $74,848.20 | 4 | 2 | +6.91% |
| Pappas Christopher D | director | 148966 0.4139% | $74,036.10 | 1 | 15 | <0.0001% |
| Stasse David Phillip | EVP AND CFO | 105552 0.2933% | $52,459.34 | 3 | 4 | +2.45% |
| TOMKINS MARK E | director | 46724 0.1298% | $23,221.83 | 0 | 1 | |
| Pugh Martin | See Remarks | 30626 0.0851% | $15,221.12 | 1 | 0 | +42.57% |
| ZIDE STEPHEN M | director | 28370 0.0788% | $14,099.89 | 2 | 4 | <0.0001% |
| STEINMETZ HENRI | director | 21667 0.0602% | $10,768.50 | 1 | 0 | +54.79% |
| Niziolek Barry J | EVP & Chief Financial Officer | 19511 0.0542% | $9,696.97 | 1 | 1 | <0.0001% |
| Desmond Jeanmarie F. | director | 19128 0.0531% | $9,506.62 | 2 | 0 | <0.0001% |
| Thomas Timothy J | SVP, MFCTG & OPER EXCELLENCE | 17945 0.0499% | $8,918.67 | 1 | 1 | <0.0001% |
| Horner Marilyn N | SVP - Human Resources | 17208 0.0478% | $8,552.38 | 0 | 2 | |
| ALVARADO JOSEPH | 14611 0.0406% | $7,261.67 | 1 | 0 | <0.0001% | |
| Denton E. Jeffery | See Remarks | 14529 0.0404% | $7,220.91 | 1 | 2 | +32.62% |
| Stedman Timothy M | See Remarks | 12899 0.0358% | $6,410.80 | 0 | 1 | |
| Keenan Catherine C. | See Remarks | 12631 0.0351% | $6,277.61 | 0 | 4 | |
| Yarkadas Hayati | See Remarks | 10594 0.0294% | $5,265.22 | 1 | 0 | +23.46% |
| MARTENS PHILIP R | director | 10300 0.0286% | $5,119.10 | 0 | 1 | |
| HEEZEN ALICE | SVP - Human Resources | 10081 0.028% | $5,010.26 | 0 | 1 | |
| Skeete Bernard M | VP, CAO and Global Controller | 8897 0.0247% | $4,421.81 | 1 | 3 | +54.79% |
| Johnson KLynne | director | 8805 0.0245% | $4,376.09 | 0 | 1 | |
| Leib Ryan J | Vice President and Treasurer | 8792 0.0244% | $4,369.62 | 0 | 3 | |
| De Leener Pierre-Marie | director | 7745 0.0215% | $3,849.27 | 1 | 2 | +54.45% |
| BAIN CAPITAL INVESTORS LLC | 10 percent owner | 0 0% | $0 | 0 | 4 | |
| Thomas Stephen F. | 0 0% | $0 | 0 | 4 | ||
| Plantevin Michel | 0 0% | $0 | 0 | 4 | ||
| Springham Ruth | 0 0% | $0 | 0 | 1 |
| Increased Positions | 37 | +39.78% | 1M | +5.38% |
| Decreased Positions | 36 | -38.71% | 2M | -8.35% |
| New Positions | 16 | New | 329,346 | New |
| Sold Out Positions | 19 | Sold Out | 838,194 | Sold Out |
| Total Postitions | 94 | +1.08% | 27M | -2.97% |
| M&G Plc | $4,911.00 | 21.18% | 7.63M | 0 | 0% | 2025-09-30 |
| Nut Tree Capital Management, Lp | $2,254.00 | 9.72% | 3.5M | 0 | 0% | 2025-09-30 |
| Castleknight Management Lp | $1,589.00 | 6.85% | 2.47M | -299,400 | -10.82% | 2025-09-30 |
| Blackrock, Inc. | $1,526.00 | 6.58% | 2.37M | +114,539 | +5.08% | 2025-09-30 |
| Owl Creek Asset Management, L.P. | $1,075.00 | 4.64% | 1.67M | 0 | 0% | 2025-09-30 |
| Charles Schwab Investment Management Inc | $969.00 | 4.18% | 1.51M | +542,167 | +56.31% | 2025-09-30 |
| Brightline Capital Management, Llc | $683.00 | 2.94% | 1.06M | +38,000 | +3.72% | 2025-09-30 |
| Icon Advisers Inc/Co | $644.00 | 2.78% | 1M | +250,000 | +33.33% | 2025-09-30 |
| Geode Capital Management, Llc | $542.00 | 2.34% | 841,828 | +18,784 | +2.28% | 2025-09-30 |
| Vanguard Group Inc | $487.00 | 2.1% | 755,643 | -321,008 | -29.82% | 2025-09-30 |