InsiderTrades

Gallagher Carol Giltner

SEC CIK 1329959 · EDGAR

Buying vs selling by month open-market trades, last 35 months, ATRA
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATRAAtara Biotherapeutics, Inc.Dir 33.0K $67.6K — 52022-06-232025-06-10

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 ——

Gallagher Carol Giltner made no open-market trades at ATRA in the last 12 months.

Transactions 5

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2025-06-12 2025-06-10 ATRA Atara Biotherapeutics, Inc. Gallagher Carol Giltner Dir A - Grant $0.00 +7,828 33.0K +31% $0
2024-04-02 2024-03-31 ATRA Atara Biotherapeutics, Inc. Gallagher Carol Giltner Dir A - Grant $0.00 +150.0K 629.6K +31% $0
M 2023-11-15 2023-11-13+ ATRA Atara Biotherapeutics, Inc. Gallagher Carol Giltner Dir P - Purchase $0.2503 +270.0K 459.4K +143% +$67.6K
D 2023-06-02 2023-05-31 ATRA Atara Biotherapeutics, Inc. Gallagher Carol Giltner Dir A - Grant $0.00 +57.0K 189.4K +43% $0
D 2022-06-27 2022-06-23 ATRA Atara Biotherapeutics, Inc. Gallagher Carol Giltner Dir A - Grant $0.00 +20.5K 132.4K +18% $0

Purchase Sale Sale after option exercise All abbreviations