Huang James — insider trades

Stock trades Huang James reported on SEC Form 4 at CNTB Connect Biopharma Holdings Ltd, ATRA Atara Biotherapeutics, Inc..

• May 29, 2026: bought 150,000 shares of CNTB Connect Biopharma Holdings Ltd ($372K)
• May 7, 2026: sold 313,446 shares of ATRA Atara Biotherapeutics, Inc. ($3.17M)
• Mar 31, 2026: bought 1,160,000 shares of CNTB Connect Biopharma Holdings Ltd ($4.00M)
• Jan 12, 2026: sold 80,554 shares of ATRA Atara Biotherapeutics, Inc. ($489K)
• Aug 15, 2025: bought 55,000 shares of ATRA Atara Biotherapeutics, Inc. ($670K)
• Jul 17, 2025: bought 19,335 shares of ATRA Atara Biotherapeutics, Inc. ($186K)