|
UNITED STATES
|
|
|
SECURITIES AND EXCHANGE COMMISSION
|
|
|
Washington, D.C. 20549
|
|
|
|
|
|
SCHEDULE 13D
|
|
CUSIP No. 45781M101
|
Page 2 of 10
|
1
|
|
NAME OF REPORTING PERSON OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Sarissa Capital Management LP
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
AF
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
755,400
|
||
|
8
|
|
SHARED VOTING POWER
5,658,600
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
755,400
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
5,658,600
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,414,000
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
6.33%
|
||||
14
|
|
TYPE OF REPORTING PERSON
PN, IA
|
CUSIP No. 45781M101
|
Page 3 of 10
|
1
|
|
NAME OF REPORTING PERSON OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Alexander J. Denner, Ph.D.
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
AF
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
|
||
|
8
|
|
SHARED VOTING POWER
6,414,000
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
6,414,000
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,414,000
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
6.33%
|
||||
14
|
|
TYPE OF REPORTING PERSON
IN, HC
|
CUSIP No. 45781M101
|
Page 4 of 10
|
1
|
|
NAME OF REPORTING PERSON
Sarissa Capital Offshore Master Fund LP
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
WC
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
CAYMAN ISLANDS
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
3,607,125
|
||
|
8
|
|
SHARED VOTING POWER
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
3,607,125
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,607,125
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
3.56%
|
||||
14
|
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 45781M101
|
Page 5 of 10
|
1
|
|
NAME OF REPORTING PERSON
Sarissa Capital Catapult Fund LLC
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
WC
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
1,147,700
|
||
|
8
|
|
SHARED VOTING POWER
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
1,147,700
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,147,700
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.13%
|
||||
14
|
|
TYPE OF REPORTING PERSON
OO
|
CUSIP No. 45781M101
|
Page 6 of 10
|
1
|
|
NAME OF REPORTING PERSON
Sarissa Capital Hawkeye Fund LP
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
WC
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
830,900
|
||
|
8
|
|
SHARED VOTING POWER
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
830,900
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
830,900
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.82%
|
||||
14
|
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 45781M101
|
Page 7 of 10
|
1
|
|
NAME OF REPORTING PERSON
Sarissa Capital Master Fund II LP
|
||||
2
|
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐ (b) ☐
|
||||
3
|
|
SEC USE ONLY
|
||||
4
|
|
SOURCE OF FUNDS
WC
|
||||
5
|
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR
2(e) ☐
|
||||
6
|
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
|
7
|
|
SOLE VOTING POWER
72,875
|
||
|
8
|
|
SHARED VOTING POWER
|
|||
|
9
|
|
SOLE DISPOSITIVE POWER
72,875
|
|||
|
10
|
|
SHARED DISPOSITIVE POWER
|
|||
11
|
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
72,875
|
||||
12
|
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ☐
|
||||
13
|
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.07%
|
||||
14
|
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 45781M101
|
Page 8 of 10
|
CUSIP No. 45781M101
|
Page 9 of 10
|
CUSIP No. 45781M101
|
Page 10 of 10
|
Dated: December 14, 2020
|
|
|
|
|
|
SARISSA CAPITAL MANAGEMENT LP
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: General Counsel
|
|
|
|
|
SARISSA CAPITAL OFFSHORE MASTER FUND LP
|
|
|
By: Sarissa Capital Offshore Fund GP LLC, its general partner
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: Authorized Person
|
|
|
|
|
SARISSA CAPITAL CATAPULT FUND LLC
|
|
|
By: Sarissa Capital Management LP, its managing member
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: General Counsel
|
|
|
|
|
SARISSA CAPITAL HAWKEYE FUND LP
|
|
|
By: Sarissa Capital Fund GP LP, its general partner
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: Authorized Person
|
|
SARISSA CAPITAL MASTER FUND II LP
|
|
By: Sarissa Capital Offshore Fund GP LLC, its general partner
|
|
|
|
/s/ Mark DiPaolo |
|
Name: Mark DiPaolo |
|
Title: Authorized Person |
|
|
|
/s/Alexander J. Denner |
|
Alexander J. Denner |
SARISSA CAPITAL MANAGEMENT LP
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: General Counsel
|
|
|
|
|
SARISSA CAPITAL OFFSHORE MASTER FUND LP
|
|
|
By: Sarissa Capital Offshore Fund GP LLC, its general partner
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: Authorized Person
|
|
|
|
|
SARISSA CAPITAL CATAPULT FUND LLC
|
|
|
By: Sarissa Capital Management LP, its managing member
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: General Counsel
|
|
|
|
|
SARISSA CAPITAL HAWKEYE FUND LP
|
|
|
By: Sarissa Capital Fund GP LP, its general partner
|
|
|
|
|
|
|
|
|
By:
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo
|
|
|
Title: Authorized Person
|
|
|
|
|
SARISSA CAPITAL MASTER FUND II LP
|
|
|
By: Sarissa Capital Offshore Fund GP LLC, its general partner
|
|
|
|
|
|
/s/ Mark DiPaolo
|
|
|
Name: Mark DiPaolo |
||
Title: Authorized Person |
||
/s/Alexander J. Denner |
||
Alexander J. Denner |
Name
|
Position
|
|
|
Alexander J. Denner, Ph.D.
|
Chief Investment Officer of Sarissa Capital
|
Mark DiPaolo
|
Senior Partner and General Counsel of Sarissa Capital
|
Patrice Bonfiglio
|
Chief Financial Officer and Chief Compliance Officer of Sarissa Capital
|
Eric Vincent
|
President of Sarissa Capital
|