Steven Sterin

Companies

• QnityBoard member Oct 27, 2025 to now¹
• Kosmos EnergyBoard member Jul 22, 2019 to now²
• DuPontBoard member Jun 5, 2019 to now³
• Tesoro CorporationChief financial officer Aug 25, 2014 to Oct 3, 2018⁴
• Celanese CorporationChief financial officer Jul 30, 2007 to May 2, 2014⁵
• Celanese CorporationBoard member Oct 3, 2012 to Oct 3, 2012⁶
• Celanese CorporationVP and Corprate Controller Jun 13, 2006 to Jul 30, 2007⁷

Holdings

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

Shares held

• DuPont DD21,389 shares⁸$2.8M at $130.45May 22, 2025
• Qnity Q12,195 shares⁹$1.5M at $119.61Jun 5, 2026
• Kosmos Energy KOS393,339 shares¹⁰$1.1M at $2.68May 28, 2026

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

Recent filings

• Jun 5, 2026Sold 400 shares at $148.35 of Qnity⁹
• May 28, 2026Granted 62,044 shares at $2.74 of Kosmos Energy¹⁰
• May 27, 2026Sold 38,636 shares at $2.73 of Kosmos Energy¹⁰
• May 26, 2026Sold 511 shares at $161.97 of Qnity¹¹
• May 21, 2026Granted 1,278 shares of Qnity¹¹
• Dec 3, 2025Granted 1,000 shares of Qnity¹²
• Nov 1, 2025Other 10,812 shares of Qnity¹³
• Jun 5, 2025Granted 96,591 shares at $1.76 of Kosmos Energy¹⁴
• May 22, 2025Granted 2,794 shares of DuPont⁸
• Jun 6, 2024Granted 30,196 shares of Kosmos Energy¹⁵
• Jun 5, 2024Granted 2,109 shares of DuPont¹⁶
• Jun 8, 2023Granted 24,964 shares of Kosmos Energy¹⁷
• May 24, 2023Granted 2,566 shares of DuPont¹⁸
• Aug 4, 2022Granted 1,000 shares of DuPont¹⁹
• Jun 9, 2022Granted 20,911 shares of Kosmos Energy²⁰
• May 26, 2022Granted 2,524 shares at $67.37 of DuPont²¹