0001437749-24-022708.txt : 20240712
0001437749-24-022708.hdr.sgml : 20240712
20240712193810
ACCESSION NUMBER: 0001437749-24-022708
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240702
FILED AS OF DATE: 20240712
DATE AS OF CHANGE: 20240712
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: JANUS HENDERSON GROUP PLC
CENTRAL INDEX KEY: 0001274173
STANDARD INDUSTRIAL CLASSIFICATION: INVESTMENT ADVICE [6282]
ORGANIZATION NAME: 02 Finance
STATE OF INCORPORATION: Y9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-22873
FILM NUMBER: 241115546
BUSINESS ADDRESS:
STREET 1: 201 BISHOPSGATE
CITY: LONDON
STATE: X0
ZIP: EC2M 3AE
BUSINESS PHONE: 442078181818
MAIL ADDRESS:
STREET 1: 201 BISHOPSGATE
CITY: LONDON
STATE: X0
ZIP: EC2M 3AE
FORMER NAME:
FORMER CONFORMED NAME: HENDERSON GROUP PLC
DATE OF NAME CHANGE: 20050511
FORMER NAME:
FORMER CONFORMED NAME: HHG PLC
DATE OF NAME CHANGE: 20031223
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Janus Henderson Biotech Innovation Master Fund Ltd
CENTRAL INDEX KEY: 0002030299
ORGANIZATION NAME:
STATE OF INCORPORATION: E9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-22873
FILM NUMBER: 241115545
BUSINESS ADDRESS:
STREET 1: 151 DETROIT STREET
CITY: DENVER
STATE: CO
ZIP: 80206
BUSINESS PHONE: 3033364030
MAIL ADDRESS:
STREET 1: 151 DETROIT STREET
CITY: DENVER
STATE: CO
ZIP: 80206
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: ARCA biopharma, Inc.
CENTRAL INDEX KEY: 0000907654
STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
ORGANIZATION NAME: 03 Life Sciences
IRS NUMBER: 363855489
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 10170 CHURCH RANCH WAY
STREET 2: SUITE 100
CITY: WESTMINSTER
STATE: CO
ZIP: 80021
BUSINESS PHONE: 7209402200
MAIL ADDRESS:
STREET 1: 10170 CHURCH RANCH WAY
STREET 2: SUITE 100
CITY: WESTMINSTER
STATE: CO
ZIP: 80021
FORMER COMPANY:
FORMER CONFORMED NAME: NUVELO INC
DATE OF NAME CHANGE: 20030203
FORMER COMPANY:
FORMER CONFORMED NAME: HYSEQ INC
DATE OF NAME CHANGE: 19970610
4
1
rdgdoc.xml
FORM 4
X0508
4
2024-07-02
0000907654
ARCA biopharma, Inc.
ABIO
0001274173
JANUS HENDERSON GROUP PLC
201 BISHOPGATE
LONDON
X0
EC2M 3AE
UNITED KINGDOM
1
0002030299
Janus Henderson Biotech Innovation Master Fund Ltd
201 BISHOPGATE
LONDON
X0
EC2M 3AE
UNITED KINGDOM
1
0
Common Stock
2024-07-03
4
P
0
166042
3.5507
A
1648577
I
By Fund
Common Stock
2024-07-05
4
P
0
23326
3.4303
A
1671903
I
By Fund
Common Stock
2024-07-05
4
P
0
5000
3.41
A
1676903
I
By Fund
Common Stock
2024-07-08
4
P
0
29892
3.4114
A
1706795
I
By Fund
Common Stock
2024-07-08
4
P
0
17600
3.535
A
1724395
I
By Fund
Common Stock
2024-07-09
4
P
0
16917
3.4339
A
1741312
I
By Fund
Common Stock
2024-07-10
4
P
0
33500
3.4647
A
1774812
I
By Fund
Common Stock
2024-07-10
4
P
0
21963
3.4632
A
1796775
I
By Fund
Common Stock
2024-07-11
4
P
0
94537
3.4516
A
1891312
I
By Fund
The securities reported are beneficially owned directly by Janus Henderson Biotech Innovation Master Fund Ltd. (the "Fund"). Janus Henderson Group plc has a 100% ownership stake in Janus Henderson Investors US LLC, which serves as the investment advisor to the Fund, and may therefore be deemed a beneficial owner of the securities reported herein. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any.
/s/ Michelle Rosenberg, CAO, General Counsel & Company Secretary
2024-07-12
/s/ Janus Henderson Biotech Innovation Master Fund Ltd., By: Janus Henderson Investors US LLC, By: Peter Falconer, Assistant Secretary
2024-07-12