SC 13G/A 1 abio-sc13ga_123120.htm AMENDMENT TO FORM SC 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

ARCA biopharma, Inc.

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

00211Y506

(CUSIP Number)

December 31, 2020

(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)
	☒	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 the disclosures provided in a prior cover page.

The information required in 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).

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CUSIP No.

00211Y506

1	NAME OF REPORTING PERSONS Altium Capital Management, LP I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) EIN: 82-2066653
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a) ☐ (b) ☒
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware, United States of America
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:		5	SOLE VOTING 0
		6	SHARED VOTING POWER 0
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES			☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0%
12	TYPE OF REPORTING PERSON IA, PN

Page 3 of 8

CUSIP No.

00211Y506

1	NAME OF REPORTING PERSONS Altium Growth Fund, LP I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) EIN: 82-2105101
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a) ☐ (b) ☒
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware, United States of America
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:		5	SOLE VOTING 0
		6	SHARED VOTING POWER 0
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES			☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0%
12	TYPE OF REPORTING PERSON PN

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CUSIP No.

00211Y506

1	NAME OF REPORTING PERSONS Altium Growth GP, LLC I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) EIN: 82-2086430
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a) ☐ (b) ☒
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware, United States of America
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:		5	SOLE VOTING 0
		6	SHARED VOTING POWER 0
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES			☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0%
12	TYPE OF REPORTING PERSON OO

Page 5 of 8

CUSIP No.

00211Y506

Item 1(a).		Name of Issuer: ARCA biopharma, Inc. (the “Issuer”)



Item 1(b).		Address of Issuer’s Principal Executive Offices: 10170 Church Ranch Way, Suite 100 Westminster, CO 80020


Item 2(a).		Name of Person Filing: This statement is jointly filed by and on behalf of each of Altium Growth Fund, LP (the “Fund”), Altium Capital Management, LLC, and Altium Growth GP, LLC. The Fund is the record and direct beneficial owner of the securities covered by this statement. Altium Capital Management, LP is the investment adviser of, and may be deemed to beneficially own securities, owned by, the Fund. Altium Growth GP, LLC is the general partner of, and may be deemed to beneficially own securities owned by, the Fund. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, the beneficial owner of any securities covered by this statement. Each of the reporting persons may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Act. Each of the reporting persons declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.



Item 2(b).		Address of Principal Business Office or, if None, Residence:
		The address of the principal business office of each of the reporting persons is 152 West 57 Street, FL 20, New York, NY 10019



Item 2(c).		Citizenship:
		See Item 4 on the cover page(s) hereto.


Item 2(d).		Title of Class of Securities:
		Common Stock, $0.001 par value


Item 2(e).		CUSIP Number: 00211Y506



Item 3.		If This Statement is Filed Pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), Check Whether the Person Filing is a:

	(a)	☐	Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).

	(b)	☐	Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).

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CUSIP No.		00211Y506

	(c)	☐	Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).

	(d)	☐	Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

	(e)	☐	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

	(f)	☐	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

	(g)	☐	A parent holding company or control person in accordance with §240.13d-1(b)(ii)(G);

	(h)	☐	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

	(i)	☐	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act (15 U.S.C. 80a-3);

	(j)	☐	Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4.

Ownership.

As of the close of business on December 31, 2020, each of the Reporting Persons have no beneficial ownership of the Issuer’s Common Stock.

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CUSIP No .

00211Y506

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 person has 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.
	Not applicable


Item 9.	Notice of Dissolution of Group.
	Not applicable

Item 10.	Certification.

By signing below I certify that, to the best of my 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, other than activities solely in connection with a nomination under § 240.14a-11.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

	Dated:	February 10, 2021

	Altium Capital Management, LP

	By:	/s/ Jacob Gottlieb
	Name:	Jacob Gottlieb
	Title:	CEO

	Altium Growth Fund, LP

	By:	Altium Growth GP, LLC
	Its:	General Partner

	Signature:	/s/ Jacob Gottlieb
	Name:	Jacob Gottlieb
	Title:	Managing Member of Altium Growth GP, LLC

	Altium Growth GP, LLC

	By:	/s/ Jacob Gottlieb
	Name:	Jacob Gottlieb
	Title:	Managing Member

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EXHIBIT INDEX

EXHIBIT 1:

Joint Acquisition Statement Pursuant to Section 240.13d-1(k)

Members of Group

SEC Form SC 13G/A filed