InsiderClue
Stocks · Health care · Biological Products, (No Diagnostic Substances)

Atara Biotherapeutics, Inc.

ATRA Clue Score62
United States Fiscal year ends December CIK 0001604464 Results filed 12 Aug 2026
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What the insiders did Net selling

Individual transactions

12
Insider
Date
Role
Action
Shares
Price
Amount
Brian N Cherry
4 Sep 2026
Director
Buy
104,166
$9.60
$999.99K
EcoR1 Capital, LLC
7 May 2026
10% owner
Buy indirect
507,407
$9.35
$4.74M
Panacea Innovation Ltd
15 Aug 2025
10% owner
Buy indirect
55,000
$12.19
$670.42K
Panacea Innovation Ltd
17 Jul 2025
10% owner
Buy indirect
19,335
$9.64
$186.37K
Carol Giltner Gallagher
14 Nov 2023
Director
Buy
90,980
$0.31
$28.19K
Carol Giltner Gallagher
13 Nov 2023
Director
Buy
179,020
$0.22
$40.03K
Eric Dobmeier
10 Nov 2023
Director
Buy
446,825
$0.23
$101.34K
William K Heiden
10 Nov 2023
Director
Buy
100,000
$0.25
$25.33K
Kristin Yarema
14 Jun 2021
Chief Commercial Officer
Buy
28,833
$14.58
$420.39K
Kristin Yarema
14 Jun 2021
Chief Commercial Officer
Buy
3,500
$14.48
$50.68K
Kristin Yarema
11 Jun 2021
Chief Commercial Officer
Buy
2,021
$14.50
$29.30K
Eric Dobmeier
27 Jun 2019
Director
Buy
2,000
$19.50
$39.00K
Showing 250 of 531 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 450
Amendments (4/A) skipped 6
Filings about a different issuer 0
Unreadable filings 0
Joint filings 8
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 60
Sales at will 452
Transactions with no price 0
Shares from compensation/vesting 9,481,638
Sales filed before the plan box existed 372
History held since 16 Oct 2014