InsiderTrades

Murugan Amar

SEC CIK 1809916 · EDGAR

Buying vs selling by month open-market trades, last 60 months, ATRA
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATRAAtara Biotherapeutics, Inc.SVP, GC, Sec 26.9K — $223.5K 162021-08-172024-08-16

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 ——

Murugan Amar made no open-market trades at ATRA in the last 12 months.

Transactions 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
M 2024-08-20 2024-08-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $6.63 -1,158 26.9K -4% -$7,678
2024-05-20 2024-05-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $0.62 -32.4K 695.1K -4% -$20.1K
2024-03-06 2024-03-04 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $0.72 -10.0K 727.5K -1% -$7,232
2024-01-09 2024-01-08 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO A - Grant $0.00 +475.0K 737.6K +181% $0
2023-11-20 2023-11-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $0.39 -8,307 257.1K -3% -$3,240
M 2023-08-18 2023-08-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $1.65 -8,672 265.4K -3% -$14.3K
M 2023-05-18 2023-05-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar EVP, CLO S - Sale $2.04 -8,389 271.9K -3% -$17.1K
2023-03-06 2023-03-02 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $3.63 -4,221 279.3K -1% -$15.3K
D 2023-03-03 2023-03-01 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec A - Grant $0.00 +155.4K 283.6K +121% $0
2022-11-18 2022-11-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $4.49 -3,612 127.6K -3% -$16.2K
M 2022-08-18 2022-08-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $5.04 -3,430 131.2K -3% -$17.3K
M 2022-05-19 2022-05-17 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $5.32 -3,223 133.7K -2% -$17.1K
D 2022-03-03 2022-03-01 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec A - Grant $0.00 +51.8K 139.5K +59% $0
DM 2022-03-03 2022-03-01 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $9.86 -2,577 137.0K -2% -$25.4K
2021-11-18 2021-11-16 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $17.12 -2,124 87.5K -2% -$36.4K
2021-08-19 2021-08-17 ATRA Atara Biotherapeutics, Inc. Murugan Amar SVP, GC, Sec S - Sale $12.53 -2,080 89.7K -2% -$26.1K

Purchase Sale Sale after option exercise All abbreviations