Jeanmarie F. Desmond

Companies

• Sylvamo CorpBoard member Sep 14, 2021 to now¹
• IPG PhotonicsBoard member Jan 7, 2021 to now²
• Trinseo PLCBoard member Oct 2, 2020 to now³
• DuPontChief financial officer Aug 7, 2019 to Feb 19, 2020⁴
• DuPontCo-Controller Sep 11, 2017 to Feb 19, 2019⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• IPG Photonics IPGP10,486 shares⁶$751.6K at $71.67May 14, 2026
• SSylvamo Corp SLVM16,734 shares⁷$525.1K at $31.38May 15, 2026
• TTrinseo PLC TSEOQ46,552 shares⁸$186 at $0.00May 12, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 15, 2026Granted 3,876 shares at $38.70 of Sylvamo Corp⁷
• May 14, 2026Sold 1,690 shares at $105.58 of IPG Photonics⁶
• May 12, 2026Granted 2,436 shares of IPG Photonics⁹
• May 12, 2026Other 42,484 shares of Trinseo PLC⁸
• Aug 8, 2025Sold 1,360 shares at $76.24 of IPG Photonics¹⁰
• Jun 25, 2025Granted 42,484 shares of Trinseo PLC¹¹
• Jun 21, 2025Shares withheld for tax 10,343 shares at $3.73 of Trinseo PLC¹²
• May 20, 2025Granted 3,759 shares of IPG Photonics¹³
• May 15, 2025Granted 2,655 shares at $56.51 of Sylvamo Corp¹⁴
• Jun 21, 2024Granted 41,009 shares of Trinseo PLC¹⁵
• Jun 18, 2024Granted 3,022 shares of IPG Photonics¹⁶
• Jun 14, 2024Shares withheld for tax 3,242 shares at $2.84 of Trinseo PLC¹⁷
• May 30, 2024Sold 985 shares at $85.20 of IPG Photonics¹⁸
• May 16, 2024Granted 1,779 shares at $70.28 of Sylvamo Corp¹⁹
• Sep 13, 2023Bought 2,500 shares at $7.94 of Trinseo PLC²⁰
• Jun 14, 2023Shares withheld for tax 956 shares at $14.38 of Trinseo PLC²¹
• Jun 14, 2023Shares withheld for tax 928 shares at $14.38 of Trinseo PLC²²
• Jun 14, 2023Granted 9,041 shares of Trinseo PLC²¹
• Jun 14, 2023Granted 9,041 shares of Trinseo PLC²²
• May 24, 2023Sold 736 shares at $109.98 of IPG Photonics²³
• May 24, 2023Sold 444 shares at $109.24 of IPG Photonics²³
• May 23, 2023Granted 2,188 shares of IPG Photonics²³
• May 16, 2023Granted 2,963 shares of Sylvamo Corp²⁴
• Sep 8, 2022Bought 2,850 shares at $25.01 of Trinseo PLC²⁵
• Sep 7, 2022Bought 1,335 shares at $25.46 of Trinseo PLC²⁵