CTI BioPharma Corp.
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(Name of Issuer)
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Common Stock
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(Title of Class of Securities)
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12648L 601
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(CUSIP Number)
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June 9, 2017
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(Date of Event Which Requires Filing of this Statement)
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CUSIP No. 12648L 601
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SCHEDULE 13G
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Page 2 of 7 Pages
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1
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NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
OrbiMed Capital GP VI LLC
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|||
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) ☐
(b) ☐
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||
3
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SEC USE ONLY
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|||
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
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5
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SOLE VOTING POWER
0
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||
6
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SHARED VOTING POWER
5,000,000*
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|||
7
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SOLE DISPOSITIVE POWER
0
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|||
8
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SHARED DISPOSITIVE POWER
5,000,000*
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|||
9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,000,000*
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|||
10
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CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)
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☐
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||
11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11.6%†
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12
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TYPE OF REPORTING PERSON (See Instructions)
OO
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CUSIP No. 12648L 601
|
SCHEDULE 13G
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Page 3 of 7 Pages
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1
|
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
OrbiMed Advisors LLC
|
|||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) ☐
(b) ☐
|
|
||
3
|
SEC USE ONLY
|
|||
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE VOTING POWER
0
|
||
6
|
SHARED VOTING POWER
5,000,000*
|
|||
7
|
SOLE DISPOSITIVE POWER
0
|
|||
8
|
SHARED DISPOSITIVE POWER
5,000,000*
|
|||
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,000,000*
|
|||
10
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)
|
☐
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11.6%†
|
|||
12
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TYPE OF REPORTING PERSON (See Instructions)
IA
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CUSIP No. 12648L 601
|
SCHEDULE 13G
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Page 4 of 7 Pages
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1
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NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Samuel D. Isaly
|
|||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) ☐
(b) ☐
|
|
||
3
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SEC USE ONLY
|
|||
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
|||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE VOTING POWER
0
|
||
6
|
SHARED VOTING POWER
5,000,000*
|
|||
7
|
SOLE DISPOSITIVE POWER
0
|
|||
8
|
SHARED DISPOSITIVE POWER
5,000,000*
|
|||
9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,000,000*
|
|||
10
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)
|
☐
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11.6%†
|
|||
12
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TYPE OF REPORTING PERSON (See Instructions)
IN
|
|||
CUSIP No. 12648L 601
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SCHEDULE 13G
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Page 5 of 7 Pages
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Item 1. |
(a) Name of Issuer:
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(b) |
Address of Issuer’s Principal Executive Offices:
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Item 2. |
(a) Name of Person Filing:
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(i) |
OrbiMed Capital GP VI LLC (“GP VI”)
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(ii) |
OrbiMed Advisors LLC (“Advisors”)
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(iii) |
Samuel D. Isaly (“Isaly”)
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(b) |
Address of Principal Business Office:
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(c) |
Citizenship:
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(d) |
Title of Class of Securities:
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(e) |
CUSIP No.:
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Item 4. |
Ownership:
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(a) |
Amount beneficially owned: See the response(s) to Item 9 on the attached cover page(s).
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(b) |
Percent of class: See the response(s) to Item 11 on the attached cover page(s).
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(c) |
Number of shares as to which such person has:
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CUSIP No. 12648L 601
|
SCHEDULE 13G
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Page 6 of 7 Pages
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CUSIP No. 12648L 601
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SCHEDULE 13G
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Page 7 of 7 Pages
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OrbiMed Capital GP VI LLC
By: OrbiMed Advisors LLC, its Managing Member
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By:
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/s/ Samuel D. Isaly
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Name:
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Samuel D. Isaly
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Title:
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Managing Member
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OrbiMed Advisors LLC
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By:
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/s/ Samuel D. Isaly
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Name:
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Samuel D. Isaly
|
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Title:
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Managing Member
|
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Samuel D. Isaly
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/s/ Samuel D. Isaly
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Name:
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Samuel D. Isaly
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