SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Allostery Investments LP – ‘SC 13G’ on 4/15/24 re: ARCA biopharma, Inc.

On:  Monday, 4/15/24, at 5:29pm ET   ·   Accession #:  1013594-24-372   ·   File #:  5-51477

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/15/24  Allostery Investments LP          SC 13G                 1:121K ARCA biopharma, Inc.              Kleinberg Kaplan Wo… P C

Statement of Acquisition of Beneficial Ownership by a “Passive” Investor   —   Schedule 13G   —   WA’68

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G      Statement of Acquisition of Beneficial Ownership    HTML    119K 
                by a "Passive" Investor

This is an HTML Document rendered as filed.  [ Alternative Formats ]

 C: 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.  20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No.  )*

ARCA biopharma, Inc.
(Name of Issuer)

Common Stock, par value $0.0001 per share
(Title of Class of Securities)

00211Y506
(CUSIP Number)

April 3, 2024
(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[ ]             Rule 13d-1(b)
[x]             Rule 13d-1(c)
[ ]             Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


1.
NAMES OF REPORTING PERSONS
 
 
 
Allostery Master Fund LP
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
 
 
(a) [ ]
 
(b) [ ]
 
 
3.
SEC USE ONLY
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
Cayman Islands
 
 
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
 
 
5.
SOLE VOTING POWER
 
 
 
0
 
 
6.
SHARED VOTING POWER
 
 
 
1,065,016
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
0
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
1,065,016
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
1,065,016
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ]
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
7.3%
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
PN
 
 



1.
NAMES OF REPORTING PERSONS
 
 
 
Allostery Investments LP
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
 
 
(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
 
 
 
1,065,016
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
0
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
1,065,016
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
1,065,016
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ]
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
7.3%
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
PN
 
 


1.
NAMES OF REPORTING PERSONS
 
 
 
Allostery Investments GP LLC
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
 
 
(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
 
 
 
1,065,016
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
0
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
1,065,016
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
1,065,016
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ]
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
7.3%
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
OO
 
 



1.
NAMES OF REPORTING PERSONS
 
 
 
Christopher Staral
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
 
 
(a) [ ]
 
(b) [ ]
 
 
3.
SEC USE ONLY
 
 
4.
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
 
 
 
1,065,016
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
0
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
1,065,016
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
1,065,016
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ]
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
7.3%
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
IN
 
 


1.
NAMES OF REPORTING PERSONS
 
 
 
David Modest
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
 
 
(a) [ ]
 
(b) [ ]
 
 
3.
SEC USE ONLY
 
 
4.
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
 
 
 
1,065,016
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
0
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
1,065,016
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
1,065,016
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ]
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
7.3%
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
IN
 
 
Item 1(a).
Name of Issuer:

ARCA biopharma, Inc. (“Issuer”)

Item 1(b).
Address of Issuer’s Principal Executive Offices:

10170 Church Ranch Way, Suite 100, Westminster, Colorado 80021

Item 2(a).
Name of Persons Filing:

The names of the persons filing this statement on Schedule 13G are (collectively, the “Reporting Persons”):

•
Allostery Master Fund LP, a Cayman Islands exempted limited partnership (“Allostery Master Fund”);

•
Allostery Investments LP, a Delaware limited partnership (“Allostery Investments”);

•
Allostery Investments GP LLC, a Delaware limited liability company (“Allostery Investments GP”);

•
Christopher Staral, a United States citizen (“Mr. Staral”); and

•
David Modest, a United States citizen (“Mr. Modest”).

Item 2(b).
Address of Principal Business Office or, if None, Residence:

The principal business address of each of the Reporting Persons is One Stamford Plaza, 9th Floor, 263 Tresser Boulevard, Stamford, CT 06901.

Item 2(c).
Citizenship:

Allostery Master Fund LP is a Cayman Islands exempted limited partnership. Allostery Investments LP is a Delaware limited partnership. Allostery Investments GP LLC is a Delaware limited liability company. Messrs. Staral and Modest are citizens of the United States.

Item 2(d).
Title of Class of Securities:

Common Stock, par value $0.0001 per share (the “Common Stock”)

Item 2(e).
CUSIP Number:

00211Y506

Item 3.
If This Statement is Filed Pursuant to Rule 13d 1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
 
(a)
[ ]
Broker or dealer registered under Section 15 of the Exchange Act.
 
 
 
 
 
(b)
[ ]
Bank as defined in Section 3(a)(6) of the Exchange Act.
 
 
 
 
 
(c)
[ ]
Insurance company defined in Section 3(a)(19) of the Exchange Act.
 
 
 
 
 
(d)
[ ]
Investment company registered under Section 8 of the Investment Company Act.
 
 
 
 
 
(e)
[ ]
Investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).
 
 
 
 
 
(f)
[ ]
Employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F).
 
 
 
 

 
(g)
[ ]
Parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G).
 
 
 
 
 
(h)
[ ]
Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.
 
 
 
 
 
(i)
[ ]
Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
 
 
 
 
 
(j)
[ ]
Non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J).
 
 
 
 
 
(k)
[ ]
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____

Item 4.
Ownership.

(a)
Amount beneficially owned:

As of April 15, 2024, Allostery Master Fund beneficially owned 1,065,016 shares of Common Stock.

Allostery Investments, as the investment manager of Allostery Master Fund, may be deemed to have beneficially owned the 1,065,016 shares of Common Stock beneficially owned by Allostery Master Fund.

Allostery Investments GP, as the general partner of Allostery Investments, may be deemed to have beneficially owned the 1,065,016 shares of Common Stock beneficially owned by Allostery Investments.

Messrs. Modest and Staral, as the managing members of Allostery Investments GP,  may be deemed to have beneficially owned the 1,065,016 shares of Common Stock beneficially owned by Allostery Investment GP.

(b)
Percent of Class:

The following percentage is based on 14,501,143 shares of Common Stock outstanding as of March 28, 2024, as disclosed in the Issuer’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 3, 2024.

As of April 15, 2024, the Reporting Persons may be deemed to have beneficially owned approximately 7.3% of the outstanding Common Stock.

(c)
Number of shares as to which such person has:

(i)
Sole power to vote or to direct the vote:

See Cover Pages Items 5-8.

(ii)
Shared power to vote or to direct the vote:

See Cover Pages Items 5-8.

(iii)
Sole power to dispose or to direct the disposition:

See Cover Pages Items 5-8.

(iv)
Shared pow`er to dispose or to direct the disposition:

See Cover Pages Items 5-8.


Item 5.
Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].

Item 6.
Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not applicable.

Item 8.
Identification and Classification of Members of the Group.

See Exhibit A.

Item 9.
Notice of Dissolution of Group.

Not applicable.

Item 10.
Certification.

By signing below each of the undersigned certifies that, to the best of his or its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURES
After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.

Dated: April 15, 2024

ALLOSTERY MASTER FUND LP
By: Allostery Investments LP, its investment manager
By: Allostery Investments GP LLC, its general partner
 
By:
/s/ David Modest
  
 
David Modest, Managing Member
 
 
 

ALLOSTERY INVESTMENTS LP
By: Allostery Investments GP LLC, its general partner
 
By:
/s/ David Modest
  
 
David Modest, Managing Member

ALLOSTERY INVESTMENTS GP LLC
 
By:
/s/ David Modest
  
 
David Modest, Managing Member

/s/ Christopher Staral
    
CHRISTOPHER STARAL
  

/s/ David Modest
    
DAVID MODEST
  


EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of ARCA biopharma, Inc. dated as of  April 15, 2024, is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(2) under the Securities Exchange Act of 1934, as amended.
Dated: April 15, 2024

ALLOSTERY MASTER FUND LP
By: Allostery Investments LP, its investment manager
By: Allostery Investments GP LLC, its general partner
 
By:
/s/ David Modest
  
 
David Modest, Managing Member
 
 
 

ALLOSTERY INVESTMENTS LP
By: Allostery Investments GP LLC, its general partner
 
By:
/s/ David Modest
  
 
David Modest, Managing Member

ALLOSTERY INVESTMENTS GP LLC
 
By:
/s/ David Modest
  
 
David Modest, Managing Member

/s/ Christopher Staral
    
CHRISTOPHER STARAL
  

/s/ David Modest
    
DAVID MODEST
  




Dates Referenced Herein   and   Documents Incorporated by Reference

This ‘SC 13G’ Filing    Date    Other Filings
Filed on:4/15/24
4/3/24425,  8-K
3/28/24
 List all Filings 
↑Top
Filing Submission 0001013594-24-000372   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Mon., Apr. 29, 5:45:09.1pm ET