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* Supernova Partners LLC (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Supernova Partners Acquisition Company, Inc. [ SPNV ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 10/23/2020
	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

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
Warrants	$11.5	10/23/2020		P		6,700,000		(1)	(1)	Class A Common Stock	6,700,000	$1.5	6,700,000	I	See footnote(2)

1. Name and Address of Reporting Person* Supernova Partners LLC (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Rascoff Spencer M (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Klabin Alexander (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Reid Robert (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner X Officer (give title below) Other (specify below) Chief Executive Officer

1. Name and Address of Reporting Person* Clifton Michael S. (Last) (First) (Middle) C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 (Street) WASHINGTON DC 20016 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner X Officer (give title below) Other (specify below) Chief Financial Officer

Explanation of Responses:

1. The warrants will become exercisable commencing on the later of 12 months from the closing of the Issuer's initial public offering or 30 days after the completion of the Issuer's initial business combination, and will expire five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation.

2. Supernova Partners LLC ("Sponsor") is the record holder of the warrants reported herein. Sponsor is governed by a board of managers consisting of four managers: Messrs. Rascoff, Klabin, Reid, and Clifton. As such, each of Messrs. Rascoff, Klabin, Reid, and Clifton may be deemed to share beneficial ownership of the warrants held directly by Sponsor. Each such individual disclaims any beneficial ownership of such warrants other than to the extent of his pecuniary interest therein, if any.

Remarks:

	Supernova Partners LLC, By: /s/ Michael S. Clifton, Manager	10/27/2020
	/s/ Michael S. Clifton, as Attorney-in-Fact for Spencer M. Rascoff	10/27/2020
	/s/ Michael S. Clifton, as Attorney-in-Fact for Alexander M. Klabin	10/27/2020
	/s/ Michael S. Clifton, as Attorney-in-Fact for Robert D. Reid	10/27/2020
	/s/ Michael S. Clifton	10/27/2020
	** Signature of Reporting Person	Date
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