Plastics Materials And Synthetic Resins, Synthetic - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2025-08-06 13D ROG / Rogers Corporation Starboard Value LP 1,676,502 9.30 97.12
2025-07-08 13D PCT / PureCycle Technologies, Inc. Longview Asset Management, Llc 11,144,455 6.20
2025-06-24 13D/A PCT / PureCycle Technologies, Inc. Sylebra Capital Llc 34,934,774 19.46 1.81
2024-09-17 13D/A PCT / PureCycle Technologies, Inc. Sylebra Capital Llc 34,314,849 19.78
2023-08-29 13D/A PCT / PureCycle Technologies, Inc. Sylebra Capital Ltd 30,050,456 18.32 0.00
2023-06-06 13D/A ROG / Rogers Corporation Starboard Value LP 850,482 4.60 -30.40
2023-02-27 13D/A ROG / Rogers Corporation Starboard Value LP 1,222,000 6.50 0.00
2023-02-06 13D ROG / Rogers Corporation Starboard Value LP 1,222,000 6.50
2022-08-12 13D TSE / Trinseo PLC M&g Investment Management Ltd 7,625,044 21.80 -0.04
2022-05-10 13D TSE / Trinseo PLC M&g Investment Management Ltd 7,628,044 21.10 -2.69
2022-03-24 13D PCT / PureCycle Technologies, Inc. Sylebra Capital Ltd 30,050,456 18.70 65.82
2020-12-23 13D KBLB / Kraig Biocraft Laboratories, Inc. Thompson Kimberly Kraig 207,589,033 14.00
2020-02-07 13D TSE / Trinseo PLC M&g Investment Management Ltd 7,839,044 20.10 0.00
2017-04-18 13D SINC / Sincerity Applied Materials Holdings Corp. Rinde Jeffrey A 140,515,750 75.00
2012-07-06 13D/A SEE / Sealed Air Corporation Davis Selected Advisers 9,292,887 4.80
2012-07-02 13D/A SEE / Sealed Air Corporation Davis Selected Advisers 10,267,901 5.30
2012-03-20 13D/A SEE / Sealed Air Corporation Davis Selected Advisers 12,172,308 6.30
2012-02-22 13D/A SEE / Sealed Air Corporation Davis Selected Advisers 14,577,029 7.60