ATRA : Insider Transactions for Atara Biotherapeutics, Inc.

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Atara Biotherapeutics, Inc. (ATRA)

$0.53

0.04 (7.08%) as of 4:30 Fri 6/7

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Exchange:

N/A

Security Type:

N/A

Shares Out:

108,674,000

Market Cap:

57.47(M)

Last Volume:

Avg Vol:

52 Week Range:

$0.2298 - $2.31

Level I Sector:

N/A

Level II Sector:

N/A

Level III Sector:

N/A

Member Indexes:

Rankings:

Insider 3 Months : -

Insider 6 Months : -

Insider 3/6 Months : -

Guru Rank Number : 707

Guru Rank Value : 1.9

Guru Occurances : 1


6 Months 1 Year 2 Year

Company Profile Atara Biotherapeutics is engaged in T-cell immunotherapy, using its allogeneic Epstein-Barr virus (EBV) T-cell platform to develop therapies for patients with diseases, including tumors, hematologic cancers and autoimmune disease. Co.'s platform utilizes the biology of EBV T cells and has the capability to treat a range of EBV-driven diseases or other diseases through incorporation of engineered chimeric antigen receptors or T-cell receptors. Co.'s T-cell immunotherapy program, tab-cel® (tabelecleucel), is partnered with Pierre Fabre Medicament and is in Phase 3 development for patients with EBV-driven post-transplant lymphoproliferative disease.

D/I:

D is for direct shares.
I is for indirect shares.

D/I refers to the Direct or Indirect shares traded vs. held.

Forms:

A Form 4 is a form filed by an insider to indicate a change in ownership.

A Form 3 is a form filed by an insider to indicate an initial ownership of a security.

3m +/-:

This represents the company's 3 month price change. The initial price is based on the closing price of the stock on the day the transaction took place. Purchases & sales are viewed as long & short positions respectively.

Actions:

B	Buy
S	Sell
OE	Option Exercised
A	Acquired
D	Disposed
AB	Automatic Buy
AS	Automatic Sell
IO	Initial Ownership

Download:

Download only Transactions Forms. (Default)

Download only Summary Infomation.

Download both Transactions and Summary Data

Summary (Direct Transactions Only)	3 Months	6 Months	12 Months	24 Months
Total Shares Bought	0	0	816,825	816,825
Total Buy Value	$0	$0	$194,885	$194,885
Total People Bought	0	0	3	3
Total Buy Transactions	0	0	4	4
Total Shares Sold	211,204	267,396	419,842	591,605
Total Sell Value	$130,313	$170,773	$340,560	$980,941
Total People Sold	5	5	6	9
Total Sell Transactions	5	10	23	41
End Date	2024-03-10	2023-12-08	2023-06-09	2022-06-09

Adjust Filter Settings

Records found: 736

Page 15 of 30

Filer's Name

Relation Title

Off-Dir-10%

Tran. Date

Form

Action

Price

Mkt Value

D/I

Shares

Holdings

Rank

3m +/-

Form

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-03-15

$41.87

$185,956

I/I

(4,400)

219,678

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-03-12

$46.17

$46,314

I/I

(1,000)

224,078

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-22

$42.74

$201,832

I/I

(4,600)

225,078

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-21

$43.60

$198,965

I/I

(4,500)

229,678

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-20

$45.28

$393,936

I/I

(8,700)

234,178

Gallagher Carol Giltner

Director

– • –

2018-02-16

$46.50

$55,010

D/D

(1,183)

110,920

Mcgrath John

EVP & Chief Financial Officer

• – –

2018-02-16

$46.93

$307,920

D/D

(6,500)

94,762

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-16

$45.44

$469,670

I/I

(10,000)

242,878

Fust Matthew K

Director

– • –

2018-02-15

$0.00

D/D

1,603

32,106

Soffer Gad

EVP & Chief Strategy Officer

• – –

2018-02-15

$47.05

$68,505

D/D

(1,456)

266,888

Soffer Gad

EVP & Chief Strategy Officer

• – –

2018-02-15

$0.00

D/D

2,764

268,344

Gallagher Carol Giltner

Director

– • –

2018-02-15

$0.00

D/D

2,365

112,103

Mcgrath John

EVP & Chief Financial Officer

• – –

2018-02-15

$47.05

$137,668

D/D

(2,926)

101,262

Mcgrath John

EVP & Chief Financial Officer

• – –

2018-02-15

$0.00

D/D

5,132

104,188

Mcgrath John

EVP & Chief Financial Officer

• – –

2018-02-15

$46.77

$304,005

D/D

(6,500)

99,056

Clark Mitchall G.

EVP & Chief R & QA Officer

• – –

2018-02-15

$47.05

$169,568

D/D

(3,604)

183,520

Clark Mitchall G.

EVP & Chief R & QA Officer

• – –

2018-02-15

$0.00

D/D

7,211

187,124

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-15

$0.00

D/D

3,938

812,613

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-15

$45.58

$468,789

I/I

(10,000)

252,878

Haqq Christopher

EVP, R&D & Chief Scientific Of

• – –

2018-02-15

$0.00

D/D

553

351,232

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-14

$45.05

$484,956

I/I

(10,000)

262,878

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-13

$45.10

$451,000

I/I

(10,000)

272,878

Ciechanover Isaac E.

Chief Executive Officer

• • –

2018-02-09

$36.59

$165,969

I/I

(4,400)

282,878

Turner Heather D

Former EVP, GC & Sec.

• – –

2018-02-09

$36.63

$464,210

D/D

(12,214)

69,494

Mcgrath John

EVP & Chief Financial Officer

• – –

2018-02-09

$41.70

$200,952

D/D

(4,819)

105,556

736 Records found	Previous 10 11 12 13 14 15 16 17 18 19 Next	Page 15 of 30

Transaction Code Key:				Ownership Code Key
B	- Buy	AB	- Automatic Buy	D	- Direct Ownership
S	- Sell	AS	- Automatic Sell	I	- Indirect Ownership
OE	- Options Exercised	A	- Acquired
IO	- Initital Ownership	D	- Disposed

Summary:

Chart:

3m +/-: