Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Trinseo Plc (TSE) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Trinseo Plc. Table 2 shows the detailed insider transactions. This company's CIK number is 1519061.
Total stock buying since 2015: $12,111,309.
Total stock sales since 2015: $9,599,574,046.
Total stock option exercises since 2015: $12,018,441.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 103,800 | $255,732 | 0 | $0 | 0 | $0 |
| 2024 | 265,600 | $748,084 | 11,142 | $28,300 | 0 | $0 |
| 2023 | 98,500 | $763,480 | 0 | $0 | 0 | $0 |
| 2022 | 15,185 | $469,807 | 91,715 | $4,550,283 | 63,815 | $1,550,704 |
| 2021 | 10,000 | $570,200 | 203,122 | $12,842,186 | 57,953 | $1,673,162 |
| 2020 | 345,439 | $7,360,711 | 384,510 | $9,175,633 | 0 | $0 |
| 2019 | 15,000 | $434,520 | 31,844 | $1,222,639 | 20,398 | $449,436 |
| 2018 | 24,500 | $1,241,807 | 56,884 | $4,559,715 | 38,930 | $1,021,123 |
| 2017 | 0 | $0 | 357,985 | $24,508,714 | 340,085 | $7,324,016 |
| 2016 | 3,300 | $154,913 | 210,217,402 | $9,542,686,576 | 0 | $0 |
| 2015 | 6,000 | $112,055 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 100,000 | $240,026 | 0 | $0 | 0 | $0 |
| 2025-03 | 3,800 | $15,706 | 0 | $0 | 0 | $0 |
| 2024-08 | 265,600 | $748,084 | 11,142 | $28,300 | 0 | $0 |
| 2023-12 | 50,000 | $360,500 | 0 | $0 | 0 | $0 |
| 2023-09 | 48,500 | $402,980 | 0 | $0 | 0 | $0 |
| 2022-11 | 0 | $0 | 6,900 | $169,705 | 0 | $0 |
| 2022-09 | 4,185 | $105,267 | 0 | $0 | 0 | $0 |
| 2022-08 | 10,000 | $317,600 | 0 | $0 | 0 | $0 |
| 2022-07 | 0 | $0 | 3,000 | $130,530 | 0 | $0 |
| 2022-05 | 0 | $0 | 944 | $44,358 | 944 | $22,939 |
| 2022-04 | 0 | $0 | 20,957 | $963,183 | 20,957 | $509,255 |
| 2022-03 | 1,000 | $46,940 | 12,000 | $577,560 | 0 | $0 |
| 2022-02 | 0 | $0 | 26,957 | $1,478,362 | 20,957 | $509,255 |
| 2022-01 | 0 | $0 | 20,957 | $1,186,585 | 20,957 | $509,255 |
| 2021-11 | 0 | $0 | 13,544 | $783,452 | 11,806 | $444,613 |
| 2021-09 | 5,000 | $242,650 | 0 | $0 | 0 | $0 |
| 2021-06 | 0 | $0 | 11,915 | $779,420 | 7,746 | $141,364 |
| 2021-05 | 0 | $0 | 13,000 | $875,550 | 0 | $0 |
| 2021-04 | 0 | $0 | 14,000 | $898,010 | 0 | $0 |
| 2021-03 | 0 | $0 | 34,286 | $2,429,570 | 0 | $0 |
| 2021-02 | 5,000 | $327,550 | 82,377 | $5,212,074 | 38,401 | $1,087,185 |
| 2021-01 | 0 | $0 | 34,000 | $1,864,110 | 0 | $0 |
| 2020-12 | 0 | $0 | 20,000 | $874,480 | 0 | $0 |
| 2020-11 | 0 | $0 | 14,000 | $557,000 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-14 | Farrell Matthew | Buy | 48,609 | 2.43 | 118,119 |
| 2025-08-13 | Farrell Matthew | Buy | 26,391 | 2.45 | 64,657 |
| 2025-08-12 | Farrell Matthew | Buy | 25,000 | 2.29 | 57,250 |
| 2025-03-14 | Frisch Johanna (VP AND TREASURER) | Buy | 1,500 | 4.10 | 6,149 |
| 2025-03-13 | Frisch Johanna (VP AND TREASURER) | Buy | 1,100 | 4.02 | 4,421 |
| 2025-03-12 | Frisch Johanna (VP AND TREASURER) | Buy | 1,200 | 4.28 | 5,136 |
| 2024-08-19 | Cote Jeffrey J | Buy | 50,600 | 3.39 | 171,534 |
| 2024-08-16 | Cote Jeffrey J | Buy | 100,000 | 2.81 | 281,000 |
| 2024-08-13 | Tomkins Mark E | Sale | 11,142 | 2.54 | 28,300 |
| 2024-08-12 | Bozich Frank A (CEO AND PRESIDENT) | Buy | 40,000 | 2.57 | 102,800 |
| 2024-08-12 | Chaclas Angelo N. (SVP, CLO, CCO & CORP. SEC.) | Buy | 75,000 | 2.57 | 192,750 |
| 2023-12-14 | Farrell Matthew | Buy | 50,000 | 7.21 | 360,500 |
| 2023-09-14 | Stasse David Phillip (EVP AND CFO) | Buy | 15,000 | 8.89 | 133,350 |
| 2023-09-13 | Desmond Jeanmarie F. | Buy | 2,500 | 7.94 | 19,850 |
| 2023-09-12 | Thomas Timothy J (SVP, MFCTG & OPER EXCELLENCE) | Buy | 3,000 | 7.94 | 23,820 |
| 2023-09-12 | Bozich Frank A (CEO AND PRESIDENT) | Buy | 8,000 | 8.07 | 64,560 |
| 2023-09-12 | Chaclas Angelo N. (SVP, CLO, CCO & CORP. SEC.) | Buy | 20,000 | 8.07 | 161,400 |
| 2022-11-16 | Martens Philip R | Sale | 6,900 | 24.59 | 169,705 |
| 2022-09-08 | Desmond Jeanmarie F. | Buy | 2,850 | 25.01 | 71,278 |
| 2022-09-07 | Desmond Jeanmarie F. | Buy | 1,335 | 25.46 | 33,989 |
| 2022-08-15 | Cote Jeffrey J | Buy | 10,000 | 31.76 | 317,600 |
| 2022-07-19 | M&g Investment Management Ltd | Sale | 3,000 | 43.51 | 130,530 |
| 2022-05-27 | Skeete Bernard M (VP, CAO and Global Controller) | Sale | 944 | 46.99 | 44,358 |
| 2022-05-27 | Skeete Bernard M (VP, CAO and Global Controller) | Option Ex | 944 | 24.30 | 22,939 |
| 2022-04-06 | Bozich Frank A (CEO and President) | Sale | 20,957 | 45.96 | 963,183 |
| 2022-04-06 | Bozich Frank A (CEO and President) | Option Ex | 20,957 | 24.30 | 509,255 |
| 2022-03-14 | Alvarado Joseph | Buy | 1,000 | 46.94 | 46,940 |
| 2022-03-09 | Bozich Frank A (CEO and President) | Sale | 12,000 | 48.13 | 577,560 |
| 2022-02-15 | M&g Investment Management Ltd | Sale | 3,000 | 57.57 | 172,710 |
| 2022-02-11 | M&g Investment Management Ltd | Sale | 3,000 | 58.76 | 176,280 |
| 2022-02-02 | Bozich Frank A (CEO and President) | Sale | 20,957 | 53.89 | 1,129,372 |
| 2022-02-02 | Bozich Frank A (CEO and President) | Option Ex | 20,957 | 24.30 | 509,255 |
| 2022-01-05 | Bozich Frank A (CEO and President) | Sale | 20,957 | 56.62 | 1,186,585 |
| 2022-01-05 | Bozich Frank A (CEO and President) | Option Ex | 20,957 | 24.30 | 509,255 |
| 2021-11-12 | Heezen Alice (SVP - Human Resources) | Sale | 13,544 | 57.84 | 783,452 |
| 2021-11-12 | Heezen Alice (SVP - Human Resources) | Option Ex | 11,806 | 37.66 | 444,613 |
| 2021-09-15 | Farrell Matthew | Buy | 5,000 | 48.53 | 242,650 |
| 2021-06-11 | De Leener Pierre-marie | Sale | 9,339 | 65.00 | 607,035 |
| 2021-06-08 | Schewe Rainer (SVP, Supply Chain Services) | Option Ex | 7,746 | 18.25 | 141,364 |
| 2021-06-03 | Johnson Klynne | Sale | 2,576 | 66.92 | 172,385 |
| 2021-05-05 | M&g Investment Management Ltd | Sale | 10,000 | 68.19 | 681,900 |
| 2021-05-04 | M&g Investment Management Ltd | Sale | 3,000 | 64.55 | 193,650 |
| 2021-04-28 | M&g Investment Management Ltd | Sale | 2,000 | 63.70 | 127,400 |
| 2021-04-26 | M&g Investment Management Ltd | Sale | 3,000 | 63.96 | 191,880 |
| 2021-04-23 | M&g Investment Management Ltd | Sale | 3,000 | 63.69 | 191,070 |
| 2021-04-21 | M&g Investment Management Ltd | Sale | 3,000 | 63.79 | 191,370 |
| 2021-04-14 | M&g Investment Management Ltd | Sale | 3,000 | 65.43 | 196,290 |
| 2021-03-26 | M&g Investment Management Ltd | Sale | 2,000 | 65.92 | 131,840 |
| 2021-03-18 | M&g Investment Management Ltd | Sale | 3,000 | 75.41 | 226,230 |
| 2021-03-17 | M&g Investment Management Ltd | Sale | 2,000 | 72.51 | 145,020 |
| 2021-03-11 | Thomas Timothy J (Vice President) | Sale | 3,286 | 73.01 | 239,910 |
| 2021-03-11 | M&g Investment Management Ltd | Sale | 3,000 | 74.97 | 224,910 |
| 2021-03-10 | M&g Investment Management Ltd | Sale | 8,000 | 72.25 | 577,976 |
| 2021-03-08 | M&g Investment Management Ltd | Sale | 3,000 | 68.82 | 206,459 |
| 2021-03-03 | M&g Investment Management Ltd | Sale | 5,000 | 67.72 | 338,575 |
| 2021-03-01 | M&g Investment Management Ltd | Sale | 5,000 | 67.73 | 338,650 |
| 2021-02-26 | Skeete Bernard M (VP, CAO and Global Controller) | Sale | 415 | 64.18 | 26,634 |
| 2021-02-26 | Skeete Bernard M (VP, CAO and Global Controller) | Option Ex | 415 | 51.02 | 21,173 |
| 2021-02-26 | Chaclas Angelo N. (SVP, CLO, CCO & Corp. Sec.) | Sale | 15,884 | 65.22 | 1,035,954 |
| 2021-02-26 | Chaclas Angelo N. (SVP, CLO, CCO & Corp. Sec.) | Option Ex | 15,884 | 22.55 | 358,263 |
| 2021-02-25 | Skeete Bernard M (VP, CAO and Global Controller) | Sale | 2,259 | 64.92 | 146,654 |
| 2021-02-25 | Skeete Bernard M (VP, CAO and Global Controller) | Option Ex | 2,259 | 37.66 | 85,073 |
| 2021-02-25 | Leib Ryan J (Vice President and Treasurer) | Sale | 6,273 | 65.36 | 410,003 |
| 2021-02-25 | Leib Ryan J (Vice President and Treasurer) | Option Ex | 3,297 | 25.64 | 84,518 |
| 2021-02-25 | Stasse David Phillip (EVP and CFO) | Sale | 16,546 | 65.45 | 1,082,935 |
| 2021-02-25 | Stasse David Phillip (EVP and CFO) | Option Ex | 16,546 | 32.52 | 538,158 |
| 2021-02-25 | Cote Jeffrey J | Sale | 5,000 | 65.82 | 329,099 |
| 2021-02-25 | Farrell Matthew | Buy | 5,000 | 65.51 | 327,550 |
| 2021-02-24 | M&g Investment Management Ltd | Sale | 5,000 | 64.84 | 324,200 |
| 2021-02-22 | M&g Investment Management Ltd | Sale | 7,000 | 64.08 | 448,560 |
| 2021-02-19 | M&g Investment Management Ltd | Sale | 7,000 | 61.76 | 432,285 |
| 2021-02-16 | M&g Investment Management Ltd | Sale | 6,000 | 60.67 | 364,050 |
| 2021-02-11 | M&g Investment Management Ltd | Sale | 2,000 | 57.36 | 114,720 |
| 2021-02-08 | M&g Investment Management Ltd | Sale | 3,000 | 57.20 | 171,600 |
| 2021-02-05 | M&g Investment Management Ltd | Sale | 3,000 | 56.22 | 168,660 |
| 2021-02-01 | M&g Investment Management Ltd | Sale | 3,000 | 52.24 | 156,720 |
| 2021-01-28 | M&g Investment Management Ltd | Sale | 2,000 | 53.26 | 106,520 |
| 2021-01-21 | M&g Investment Management Ltd | Sale | 3,000 | 56.51 | 169,530 |
| 2021-01-14 | M&g Investment Management Ltd | Sale | 3,000 | 57.00 | 171,000 |
| 2021-01-12 | M&g Investment Management Ltd | Sale | 6,000 | 55.95 | 335,670 |
| 2021-01-11 | M&g Investment Management Ltd | Sale | 2,000 | 54.98 | 109,960 |
| 2021-01-06 | M&g Investment Management Ltd | Sale | 10,000 | 55.66 | 556,550 |
| 2021-01-05 | M&g Investment Management Ltd | Sale | 8,000 | 51.86 | 414,880 |
| 2020-12-23 | M&g Investment Management Ltd | Sale | 3,000 | 49.79 | 149,370 |
| 2020-12-17 | M&g Investment Management Ltd | Sale | 3,000 | 47.16 | 141,480 |
| 2020-12-09 | M&g Investment Management Ltd | Sale | 3,000 | 44.82 | 134,460 |
| 2020-12-04 | M&g Investment Management Ltd | Sale | 6,000 | 41.62 | 249,750 |
| 2020-12-03 | M&g Investment Management Ltd | Sale | 2,000 | 40.40 | 80,800 |
| 2020-12-02 | M&g Investment Management Ltd | Sale | 3,000 | 39.54 | 118,620 |
| 2020-11-24 | M&g Investment Management Ltd | Sale | 2,000 | 40.46 | 80,920 |
| 2020-11-23 | M&g Investment Management Ltd | Sale | 2,000 | 38.84 | 77,680 |
| 2020-11-18 | M&g Investment Management Ltd | Sale | 10,000 | 39.84 | 398,400 |
| 2020-08-11 | M&g Investment Management Ltd | Sale | 5,000 | 27.22 | 136,100 |
| 2020-07-13 | M&g Investment Management Ltd | Buy | 310,510 | 21.81 | 6,772,223 |
| 2020-07-13 | M&g Investment Management Ltd | Sale | 310,510 | 21.81 | 6,772,223 |
| 2020-06-05 | M&g Investment Management Ltd | Sale | 10,000 | 25.63 | 256,280 |
| 2020-06-04 | M&g Investment Management Ltd | Sale | 5,000 | 23.35 | 116,750 |
| 2020-06-03 | M&g Investment Management Ltd | Sale | 20,000 | 23.14 | 462,800 |
| 2020-03-10 | Skeete Bernard M (VP, CAO and Global Controller) | Buy | 150 | 17.32 | 2,598 |
| 2020-03-10 | Steinmetz Henri | Buy | 17,279 | 17.08 | 295,125 |
| 2020-03-09 | Bozich Frank A (President and CEO) | Buy | 12,000 | 16.70 | 200,400 |
| 2020-03-09 | Stasse David Phillip (See Remarks) | Buy | 5,500 | 16.43 | 90,365 |
| 2019-12-13 | Pappas Christopher D | Sale | 8,000 | 37.89 | 303,104 |
| 2019-12-12 | Chaclas Angelo N. (See Remarks) | Sale | 1,498 | 38.07 | 57,033 |
| 2019-12-12 | Pappas Christopher D | Sale | 8,000 | 37.70 | 301,624 |
| 2019-08-14 | Bozich Frank A (President and CEO) | Buy | 15,000 | 28.97 | 434,520 |
| 2019-06-03 | Keenan Catherine C. (See Remarks) | Sale | 7,214 | 38.00 | 274,132 |
| 2019-06-03 | Keenan Catherine C. (See Remarks) | Option Ex | 8,994 | 26.97 | 242,568 |
| 2019-05-30 | Keenan Catherine C. (See Remarks) | Sale | 5,050 | 38.41 | 193,975 |
| 2019-05-30 | Keenan Catherine C. (See Remarks) | Option Ex | 7,904 | 18.14 | 143,378 |
| 2019-05-08 | Keenan Catherine C. (See Remarks) | Sale | 2,082 | 44.56 | 92,771 |
| 2019-05-08 | Keenan Catherine C. (See Remarks) | Option Ex | 3,500 | 18.14 | 63,490 |
| 2018-12-06 | Niziolek Barry J (EVP & Chief Financial Officer) | Buy | 4,500 | 48.52 | 218,317 |
| 2018-12-03 | Zide Stephen M | Buy | 9,792 | 52.27 | 511,876 |
| 2018-11-30 | Zide Stephen M | Buy | 10,208 | 50.12 | 511,614 |
| 2018-08-08 | Keenan Catherine C. (See Remarks) | Sale | 1,643 | 77.95 | 128,071 |
| 2018-05-16 | Stasse David Phillip (See Remarks) | Sale | 6,613 | 76.72 | 507,322 |
| 2018-05-16 | Stasse David Phillip (See Remarks) | Option Ex | 6,613 | 38.85 | 256,934 |
| 2018-03-13 | Chaclas Angelo N. (See Remarks) | Sale | 7,991 | 82.10 | 656,045 |
| 2018-03-13 | Chaclas Angelo N. (See Remarks) | Option Ex | 7,991 | 26.97 | 215,517 |
| 2018-03-12 | Denton E. Jeffery (See Remarks) | Sale | 3,500 | 81.88 | 286,562 |
| 2018-03-06 | Leib Ryan J (See Remarks) | Sale | 4,013 | 80.66 | 323,680 |
| 2018-03-06 | Leib Ryan J (See Remarks) | Option Ex | 1,850 | 22.55 | 41,726 |
| 2018-03-06 | Horner Marilyn N (SVP - Human Resources) | Sale | 33,124 | 80.25 | 2,658,035 |
| 2018-03-06 | Horner Marilyn N (SVP - Human Resources) | Option Ex | 22,476 | 22.55 | 506,946 |
| 2017-12-22 | Niziolek Barry J (EVP & Chief Financial Officer) | Sale | 11 | 72.55 | 798 |
| 2017-11-10 | Stasse David Phillip (See Remarks) | Sale | 10,043 | 71.17 | 714,740 |
| 2017-11-10 | Stasse David Phillip (See Remarks) | Option Ex | 10,043 | 24.31 | 244,115 |
| 2017-11-09 | Pappas Christopher D (See Remarks) | Sale | 21,600 | 71.16 | 1,537,034 |
| 2017-11-09 | Pappas Christopher D (See Remarks) | Option Ex | 21,600 | 22.55 | 487,188 |
| 2017-09-05 | Pappas Christopher D (See Remarks) | Sale | 25,000 | 68.96 | 1,723,900 |
| 2017-09-05 | Pappas Christopher D (See Remarks) | Option Ex | 25,000 | 26.97 | 674,250 |
| 2017-09-01 | Stedman Timothy M (See Remarks) | Sale | 5,399 | 67.38 | 363,795 |
| 2017-09-01 | Stedman Timothy M (See Remarks) | Option Ex | 7,510 | 26.97 | 202,544 |
| 2017-08-30 | Cote Jeffrey J | Sale | 5,000 | 65.03 | 325,140 |
| 2017-08-02 | Pappas Christopher D (See Remarks) | Sale | 25,000 | 71.04 | 1,776,050 |
| 2017-08-02 | Pappas Christopher D (See Remarks) | Option Ex | 25,000 | 26.97 | 674,250 |
| 2017-07-05 | Pappas Christopher D (See Remarks) | Sale | 25,000 | 69.86 | 1,746,549 |
| 2017-07-05 | Pappas Christopher D (See Remarks) | Option Ex | 25,000 | 26.97 | 674,250 |
| 2017-06-13 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 67.43 | 1,348,660 |
| 2017-06-13 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2017-06-01 | Pappas Christopher D (See Remarks) | Sale | 15,000 | 65.19 | 977,775 |
| 2017-06-01 | Pappas Christopher D (See Remarks) | Option Ex | 15,000 | 18.14 | 272,100 |
| 2017-05-15 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 64.00 | 1,280,000 |
| 2017-05-15 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2017-05-01 | Pappas Christopher D (See Remarks) | Sale | 15,000 | 66.28 | 994,185 |
| 2017-05-01 | Pappas Christopher D (See Remarks) | Option Ex | 15,000 | 18.14 | 272,100 |
| 2017-04-24 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 65.21 | 1,304,199 |
| 2017-04-24 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2017-04-17 | Pappas Christopher D (See Remarks) | Sale | 15,000 | 64.17 | 962,625 |
| 2017-04-17 | Pappas Christopher D (See Remarks) | Option Ex | 15,000 | 18.14 | 272,100 |
| 2017-03-13 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 69.25 | 1,385,000 |
| 2017-03-13 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2017-03-07 | De Leener Pierre-marie | Sale | 10,000 | 70.77 | 707,660 |
| 2017-03-03 | Chaclas Angelo N. (See Remarks) | Sale | 23,771 | 71.40 | 1,697,296 |
| 2017-03-03 | Chaclas Angelo N. (See Remarks) | Option Ex | 23,771 | 22.55 | 536,154 |
| 2017-03-02 | Leib Ryan J (See Remarks) | Sale | 2,884 | 70.75 | 204,057 |
| 2017-03-02 | Leib Ryan J (See Remarks) | Option Ex | 2,884 | 22.55 | 65,048 |
| 2017-03-02 | Horner Marilyn N (SVP - Human Resources) | Sale | 34,277 | 71.16 | 2,439,151 |
| 2017-03-02 | Horner Marilyn N (SVP - Human Resources) | Option Ex | 34,277 | 22.55 | 773,117 |
| 2017-03-02 | Stasse David Phillip (See Remarks) | Sale | 5,000 | 71.00 | 355,000 |
| 2017-02-13 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 70.41 | 1,408,220 |
| 2017-02-13 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2017-01-13 | Pappas Christopher D (See Remarks) | Sale | 20,000 | 62.84 | 1,256,880 |
| 2017-01-13 | Pappas Christopher D (See Remarks) | Option Ex | 20,000 | 18.14 | 362,800 |
| 2016-09-23 | Springham Ruth (Director) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-09-23 | Bcip Trust Associates Iv, L.p. (10% Owner) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-09-23 | Bcip Trust Associates Iv-b, L.p. (10% Owner) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-09-23 | Plantevin Michel (Director) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-09-23 | Thomas Stephen F. (Director) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-09-23 | Zide Stephen M (Director) | Sale | 10,669,567 | 54.05 | 576,690,096 |
| 2016-08-12 | Bcip Trust Associates Iv, L.p. (10% Owner) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Bcip Trust Associates Iv-b, L.p. (10% Owner) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Plantevin Michel (Director) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Hauser Felix (Director) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Vasseur Aurelien (Director) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Thomas Stephen F. (Director) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-08-12 | Zide Stephen M (Director) | Sale | 8,000,000 | 49.15 | 393,200,000 |
| 2016-06-09 | Yarkadas Hayati (See Remarks) | Buy | 2,100 | 48.82 | 102,522 |
| 2016-05-13 | Denton E. Jeffery (See Remarks) | Buy | 1,200 | 43.66 | 52,391 |
| 2016-05-12 | Bcip Trust Associates Iv, L.p. (10% Owner) | Sale | 8,000,000 | 42.90 | 343,200,000 |
| 2016-05-12 | Thomas Stephen F. (Director) | Sale | 8,000,000 | 42.90 | 343,200,000 |
| 2016-03-24 | Bcip Trust Associates Iv, L.p. (10% Owner) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Bcip Trust Associates Iv-b, L.p. (10% Owner) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Plantevin Michel (Director) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Hauser Felix (Director) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Vasseur Aurelien (Director) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Thomas Stephen F. (Director) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2016-03-24 | Zide Stephen M (Director) | Sale | 10,600,000 | 35.63 | 377,678,000 |
| 2015-03-13 | Pugh Martin (See Remarks) | Buy | 6,000 | 18.68 | 112,055 |
Insider trading activities including stock purchases, stock sales, and option exercises of TSE listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Trinseo Plc (symbol TSE, CIK number 1519061) see the Securities and Exchange Commission (SEC) website.