SEC Insider Transactions from De Leener Pierre-Marie.

Last updated: 2026-03-16 13:04 UTC | Total transactions: 7

De Leener Pierre-Marie has filed 7 insider transactions across 1 company since June 2023.

Most recent transaction: a tax payment of 20001 shares of Trinseo PLC ($TSEOF) on June 21, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 21, 2025 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found F Ordinary Shares 20001 $3.73 36,174.0000 35,500,000 35.60% 0.06%
June 21, 2024 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found A Ordinary Shares 41009 $0.00 56,175.0000 35,300,000 270.40% 0.12%
June 14, 2024 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found F Ordinary Shares 4411 $2.84 15,166.0000 35,300,000 22.53% 0.01%
June 14, 2023 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found A Ordinary Shares 9041 $0.00 21,144.0000 35,000,000 74.70% 0.03%
June 14, 2023 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found F Ordinary Shares 1567 $14.38 19,577.0000 35,000,000 7.41% 0.00%
June 14, 2023 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found A Ordinary Shares 9041 $0.00 21,144.0000 35,000,000 74.70% 0.03%
June 14, 2023 Trinseo PLC $TSEOF De Leener Pierre-Marie Not found F Ordinary Shares 956 $14.38 20,188.0000 35,000,000 4.52% 0.00%