InsiderTrades

Panacea Innovation Ltd

SEC CIK 2010692 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ATRA
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATRAAtara Biotherapeutics, Inc.10% 1.01M $670.5K $3.17M 62025-08-152026-05-07

Most active insiders at ATRA, 12 months

#InsiderTitleBoughtSold
1 EcoR1 Capital, LLC10% $4.74M—
2 Panacea Innovation Ltd10% —$3.17M
3 Cherry Brian NDir $1000.0K—
4 Huang JamesDir, 10% —$489.0K
5 Nguyen AnhCoPres, CEO, Dir —$142.4K
6 Grant-Huerta YaninaCAO —$56.5K
7 Ciongoli Gregory AustinDir, 10%, See Remarks ——
8 Redmile Group, LLCDir ——
9 Fust Matthew KDir ——
10 HEIDEN WILLIAM KDir ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
I 2026-05-11 18:45 2026-05-07 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% S - Sale $10.10 -313.4K 1.01M -24% -$3.17M
DI 2026-03-19 2026-03-17 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% M - OptEx $0.00 +259.2K 307.9K +532% $0
DI 2026-03-19 2026-03-17 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% F - Tax $5.23 -5 307.9K -0.0% -$26.15
DI 2025-12-01 2025-11-28 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% F - Tax $14.03 -1 48.7K -0.0% -$14.03
DI 2025-12-01 2025-11-28 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% M - OptEx $0.00 +48.7K 48.7K New $0
I 2025-08-19 2025-08-15 ATRA Atara Biotherapeutics, Inc. Panacea Innovation Ltd 10% P - Purchase $12.19 +55.0K 1.41M +4% +$670.5K

Purchase Sale Sale after option exercise All abbreviations