Insider Transactions last 24 months for Atara Biotherapeutics, Inc.  -  NSDQ: ATRA

 
Transactions
All Buy Sell Option Exercise
Filer's Name
Relationship/
Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Grant-Huerta YaninaChief Accounting Officer08/18/2025DSDirectCOM1,668$11.61$19,372.1535,258
Grant-Huerta YaninaChief Accounting Officer08/18/2025DSDirectCOM86$11.61$998.7236,926
Grant-Huerta YaninaChief Accounting Officer08/18/2025DSDirectCOM55$11.61$638.5037,012
Nguyen AnhcoPresident and CEO08/18/2025DSDirectCOM1,620$11.62$18,819.5467,889
Nguyen AnhcoPresident and CEO08/18/2025DSDirectCOM1,281$11.62$14,878.8269,509
Nguyen AnhcoPresident and CEO08/18/2025DSDirectCOM57$11.61$661.9470,790
Panacea Innovation LtdOther08/15/2025APIndirectCOM55,000$12.19$670,422.501,405,000
Panacea Innovation LtdOther07/17/2025APIndirectCOM19,335$9.64$186,372.001,350,000
Heiden William KDirector06/10/2025AADirectCOM7,828$0.00$0.0022,188
Mallik AmeetDirector06/10/2025AADirectCOM7,828$0.00$0.0016,928
Roncarolo Maria GraziaDirector06/10/2025AADirectCOM7,828$0.00$0.0017,368
Touchon PascalDirector06/10/2025AADirectCOM7,828$0.00$0.0077,955
Fust Matthew KDirector06/10/2025AADirectCOM7,828$0.00$0.0018,188
Gallagher Carol GiltnerDirector06/10/2025AADirectCOM7,828$0.00$0.0033,012
Nguyen AnhcoPresident and CEO05/16/2025DSDirectCOM3,276$6.76$22,155.5970,847
Grant-Huerta YaninaChief Accounting Officer05/16/2025DSDirectCOM2,218$6.76$15,000.3337,067
Adiumentum Capital Fund I LpDirector05/16/2025AADirectCOM75,572$6.61$499,530.921,209,395
Henrich JillEVP, Chief Regulatory Officer03/03/2025DSDirectCOM1,059$7.00$7,409.8218,679
Hyllengren Eric JEVP, CFO and COO03/03/2025DSDirectCOM1,211$7.00$8,473.3756,231
Nguyen AnhcoPresident and CEO03/03/2025DSDirectCOM3,331$7.00$23,307.0174,123
Hyllengren Eric JEVP, CFO and COO01/27/2025AADirectCOM34,050$0.00$0.0057,442
Nguyen AnhcoPresident and CEO11/18/2024DSDirectCOM1,664$11.20$18,633.4777,454
Hyllengren Eric JEVP, CFO and COO11/18/2024DSDirectCOM1,364$11.20$15,274.0723,392
Henrich JillEVP, Chief Regulatory Officer11/18/2024DSDirectCOM1,000$11.20$11,198.0019,378
Nguyen AnhcoPresident and CEO09/09/2024AADirectCOM45,000$0.00$0.0079,118
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust 		Export Table Data to Excel Send to Excel