Jack Q. Guo

Companies

• ConstelliumChief financial officer Jan 2, 2026 to now¹

Holdings

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

Shares held

• Constellium CSTM185,368 shares²$4.7M at $25.42May 5, 2026

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

Recent filings

• May 5, 2026Sold 25,201 shares at $32.62 of Constellium²
• Mar 12, 2026Granted 19,690 shares of Constellium³
• Mar 10, 2026Sold 41,717 shares at $25.87 of Constellium⁴
• Mar 9, 2026Granted 75,874 shares of Constellium⁴