InsiderTrades

Huang James

SEC CIK 1573160 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CNTBConnect Biopharma Holdings LtdDir 13.31M $4.37M — 22026-03-312026-05-29
ATRAAtara Biotherapeutics, Inc.Dir, 10% 1.32M $186.4K $489.0K 22025-07-172026-01-12
TCRTAlaunos Therapeutics, Inc.Dir 188.3K $171.0K — 32021-09-012022-06-22

Most active insiders at CNTB, 12 months

#InsiderTitleBoughtSold
1 Huang JamesDir $4.37M—
2 Xanthopoulos Kleanthis GabrielDir ——
3 LIU JEAN IDir ——

Transactions 7

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
I 2026-06-02 16:30 2026-05-29 CNTB Connect Biopharma Holdings Ltd Huang James Dir P - Purchase $2.48 +150.0K 13.31M +1% +$371.6K
I 2026-04-01 16:30 2026-03-31 CNTB Connect Biopharma Holdings Ltd Huang James Dir P - Purchase $3.45 +1.16M 13.16M +10% +$4.00M
I 2026-01-14 2026-01-12 ATRA Atara Biotherapeutics, Inc. Huang James Dir, 10% S - Sale $6.07 -80.6K 1.32M -6% -$489.0K
I 2025-07-21 2025-07-17 ATRA Atara Biotherapeutics, Inc. Huang James Dir, 10% P - Purchase $9.64 +19.3K 1.35M +1% +$186.4K
D 2022-06-24 2022-06-22 TCRT Alaunos Therapeutics, Inc. Huang James Dir A - Grant $0.00 +80.0K 188.3K +74% $0
D 2022-06-24 2022-06-22 TCRT Alaunos Therapeutics, Inc. Huang James Dir A - Grant $0.00 +80.0K 188.3K +74% $0
2021-09-03 2021-09-01 TCRT Alaunos Therapeutics, Inc. Huang James Dir P - Purchase $1.71 +100.0K 108.3K +1,200% +$171.0K

Purchase Sale Sale after option exercise All abbreviations