SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Funicular Fund, LP (Last) (First) (Middle) 2261 MARKET STREET #4307 (Street) SAN FRANCISCO CA 94114 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ARCA biopharma, Inc. [ ABIO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) See Footnote 1
	3. Date of Earliest Transaction (Month/Day/Year) 04/28/2022
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	04/28/2022		P		23,381	A	$2.3169(2)	2,217,351	D(3)
Common Stock(1)	04/29/2022		P		8,974	A	$2.3004(4)	2,226,325	D(3)
Common Stock(1)	05/02/2022		P		1,259	A	$2.315	2,227,584	D(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Put Option (obligation to buy)(1)(5)	$2.5							12/16/2022	12/16/2022	Common Stock	1,450,000		14,500	D(5)

1. Name and Address of Reporting Person* Funicular Fund, LP (Last) (First) (Middle) 2261 MARKET STREET #4307 (Street) SAN FRANCISCO CA 94114 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Footnote 1

1. Name and Address of Reporting Person* Ma-Weaver Jacob (Last) (First) (Middle) 2261 MARKET STREET #4307 (Street) SAN FRANCISCO CA 94114 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Footnote 1

Explanation of Responses:

1. This Form 4 is filed by the Funicular Fund, LP (the "Fund") and Jacob Ma-Weaver (the "Reporting Persons"). The Reporting Persons and Cable Car Capital LLC ("Cable Car") may be deemed to be a member of a Section 13(d) group that may be deemed to collectively beneficially own more than 10% of the Issuer's outstanding shares of Common Stock (the "Shares"). Each of the Reporting Persons and Cable Car disclaim beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

2. Represents a weighted average price. These Shares were purchased in multiple transactions at prices ranging from $2.2650 to $2.3250, inclusive of brokerage commissions. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares purchased at each separate price within the range set forth in this footnote.

3. Represents securities directly owned by the Fund. Cable Car, as the general partner of the Fund, may be deemed to beneficially own the securities directly owned by the Fund. Mr. Ma-Weaver, as the Managing Member of Cable Car, may be deemed to beneficially own the securities directly owned by the Fund.

4. Represents a weighted average price. These Shares were purchased in multiple transactions at prices ranging from $2.2750 to $2.3150, inclusive of brokerage commissions. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares purchased at each separate price within the range set forth in this footnote.

5. The Fund wrote 7,500 European-Style put option contracts expiring in December 2022 (the "Put Options") which provide that the Fund will be required to purchase shares of Common Stock at the stated strike price if the counterparty exercises such option. The price of the premium received by the Fund for each contract includes brokerage commissions.

	Funicular Fund, LP, By: Cable Car Capital LLC, its general partner, By: /s/ Jacob Ma-Weaver, Managing Member	05/02/2022
	By: /s/ Jacob Ma-Weaver	05/02/2022
	** Signature of Reporting Person	Date
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