0001104659-21-097601.txt : 20210729
0001104659-21-097601.hdr.sgml : 20210729
20210729163054
ACCESSION NUMBER: 0001104659-21-097601
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210727
FILED AS OF DATE: 20210729
DATE AS OF CHANGE: 20210729
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: RA Capital Healthcare Fund LP
CENTRAL INDEX KEY: 0001315082
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40632
FILM NUMBER: 211127870
BUSINESS ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 6177782500
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
FORMER NAME:
FORMER CONFORMED NAME: RA Capital Biotech Fund LP
DATE OF NAME CHANGE: 20050121
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: RA CAPITAL MANAGEMENT, L.P.
CENTRAL INDEX KEY: 0001346824
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40632
FILM NUMBER: 211127871
BUSINESS ADDRESS:
STREET 1: 200 BERKELEY STREET, 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 617-778-2500
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET, 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
FORMER NAME:
FORMER CONFORMED NAME: RA CAPITAL MANAGEMENT, LLC
DATE OF NAME CHANGE: 20051213
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Kolchinsky Peter
CENTRAL INDEX KEY: 0001384859
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40632
FILM NUMBER: 211127868
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Shah Rajeev M.
CENTRAL INDEX KEY: 0001619841
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40632
FILM NUMBER: 211127867
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: RA Capital Nexus Fund II, L.P.
CENTRAL INDEX KEY: 0001825376
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40632
FILM NUMBER: 211127869
BUSINESS ADDRESS:
STREET 1: 200 BERKELEY STREET, 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 617-778-2500
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET, 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Cytek Biosciences, Inc.
CENTRAL INDEX KEY: 0001831915
STANDARD INDUSTRIAL CLASSIFICATION: LABORATORY ANALYTICAL INSTRUMENTS [3826]
IRS NUMBER: 472547526
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 46107 LANDING PARKWAY
CITY: FREMONT
STATE: CA
ZIP: 94538
BUSINESS PHONE: (877) 922-9835
MAIL ADDRESS:
STREET 1: 46107 LANDING PARKWAY
CITY: FREMONT
STATE: CA
ZIP: 94538
FORMER COMPANY:
FORMER CONFORMED NAME: Cytek BioSciences, Inc.
DATE OF NAME CHANGE: 20201110
4
1
tm2123652-1_4.xml
OWNERSHIP DOCUMENT
X0306
4
2021-07-27
0
0001831915
Cytek Biosciences, Inc.
CTKB
0001346824
RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET
18TH FLOOR
BOSTON
MA
02116
1
0
0
0
0001315082
RA Capital Healthcare Fund LP
200 BERKELEY STREET
18TH FLOOR
BOSTON
MA
02116
1
0
0
0
0001825376
RA Capital Nexus Fund II, L.P.
200 BERKELEY STREET
18TH FLOOR
BOSTON
MA
02116
1
0
0
0
0001384859
Kolchinsky Peter
C/O RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET, 18TH FLOOR
BOSTON
MA
02116
1
0
0
0
0001619841
Shah Rajeev M.
C/O RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET, 18TH FLOOR
BOSTON
MA
02116
1
0
0
0
Common Stock
2021-07-27
4
C
0
5150751
A
5150751
I
See footnotes
Common Stock
2021-07-27
4
P
0
2762786
17.00
A
7913537
I
See footnotes
Common Stock
2021-07-27
4
C
0
998553
A
998553
I
See footnotes
Common Stock
2021-07-27
4
P
0
187214
17.00
A
1185767
I
See footnotes
Common Stock
2021-07-27
4
C
0
507724
A
507724
I
See footnotes
Series D Preferred Stock
2021-07-27
4
C
0
5150751
0
D
Common Stock
5150751
0
I
See footnotes
Series D Preferred Stock
2021-07-27
4
C
0
998553
0
D
Common Stock
998553
0
I
See footnotes
Series D Preferred Stock
2021-07-27
4
C
0
507724
0
D
Common Stock
507724
0
I
See footnotes
On July 27, 2021, each share of Series D Preferred Stock (the "Preferred Stock") converted into one share of Common Stock of the Issuer without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.
These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund").
These securities are held directly by RA Capital Nexus Fund II, L.P. (the "Nexus Fund II").
These securities are held directly by a separately managed account (the "Account").
RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, the Nexus Fund II and the Account. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.
Theresa Cameron, a Principal of the Adviser, serves on the Issuer's board of directors.
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
2021-07-29
/s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC the General Partner of RA Capital Healthcare Fund, L.P.
2021-07-29
/s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund II GP, LLC the General Partner of RA Capital Nexus Fund II, L.P.
2021-07-29
/s/ Peter Kolchinsky, individually
2021-07-29
/s/ Rajeev Shah, individually
2021-07-29