InsiderTrades

Adiumentum Capital Fund I GP LLC

SEC CIK 2023736 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATRAAtara Biotherapeutics, Inc.Dir, 10%, See remarks 1.21M — — 12025-05-162025-05-16

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 ——

Adiumentum Capital Fund I GP LLC made no open-market trades at ATRA in the last 12 months.

Transactions 1

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2025-05-16 2025-05-16 ATRA Atara Biotherapeutics, Inc. Adiumentum Capital Fund I GP LLC Dir, 10%, See remarks A - Grant $6.61 +75.6K 1.21M +7% +$499.5K

Purchase Sale Sale after option exercise All abbreviations