Filing Details

Accession Number:
0001209191-15-067018
Form Type:
4
Zero Holdings:
No
Publication Time:
2015-08-19 20:42:13
Reporting Period:
2015-08-17
Filing Date:
2015-08-19
Accepted Time:
2015-08-19 20:42:13
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1604464 Atara Biotherapeutics Inc. ATRA Biological Products, (No Disgnostic Substances) (2836) 460920988
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1329959 Giltner Carol Gallagher C/O Atara Biotherapeutics, Inc.
701 Gateway Boulevard, Suite 200
South San Francisco CA 94080
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2015-08-17 44,871 $0.00 107,527 No 4 M Direct
Common Stock Acquisiton 2015-08-17 9,291 $0.00 116,818 No 4 M Direct
Common Stock Acquisiton 2015-08-17 4,359 $0.00 121,177 No 4 M Direct
Common Stock Disposition 2015-08-18 5,764 $49.38 115,413 No 4 S Direct
Common Stock Disposition 2015-08-19 4,375 $47.98 111,038 No 4 S Direct
Common Stock Disposition 2015-08-19 1,500 $48.78 109,538 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
No 4 M Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Restricted Stock Units Disposition 2015-08-17 44,871 $0.00 44,871 $0.00
Common Stock Restricted Stock Units Disposition 2015-08-17 9,291 $0.00 9,291 $0.00
Common Stock Restricted Stock Units Disposition 2015-08-17 4,359 $0.00 4,359 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 No 4 M Direct
15,485 No 4 M Direct
8,717 No 4 M Direct
Footnotes
  1. Shares issued upon settlement of vested restricted stock units.
  2. Transaction pursuant to Rule 10b5-1 Plan adopted May 22, 2015.
  3. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $49.27 to $49.67. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
  4. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $47.50 to $48.49. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
  5. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $48.53 to $49.05. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
  6. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock or a cash settlement.
  7. Fully vested.
  8. The earlier of (i) March 8, 2020 or (ii) the second anniversary of termination date.
  9. The restricted stock units ("RSUs") were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based condition was satisfied upon the closing of the Issuer's initial public offering (the "IPO"). The shares that vested on the closing date of the IPO, and the shares that vested thereafter through August 17, 2015, were settled on August 17, 2015. The service-based vesting condition provides that 1/48th of the total number of shares vest monthly from January 30, 2014, subject to the holder's continuous service through each such date.
  10. The earlier of (i) January 30, 2021 or (ii) the second anniversary of termination date.
  11. The restricted stock units ("RSUs") were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based condition was satisfied upon the closing of the Issuer's initial public offering (the "IPO"). The shares that vested on the closing date of the IPO, and the shares that vested thereafter through August 17, 2015, were settled on August 17, 2015. The service-based vesting condition provides that 1/48th of the total number of shares vest monthly from March 25, 2014, subject to the holder's continuous service through each such date.
  12. The earlier of (i) March 27, 2021 or (ii) the recipient's termination date.