UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR (g) OF

THE SECURITIES EXCHANGE ACT OF 1934

FIRSTMARK HORIZON ACQUISITION CORP.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	85-2547650
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
100 5th Ave, 3rd Floor New York, NY	10011
(Address of Principal Executive Offices)	(Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:

Title of Each Class to be Registered	Name of Each Exchange on Which Each Class is to be Registered
Units, each consisting of one share of Class A common stock and one-third of one redeemable warrant	The New York Stock Exchange
Class A common stock, par value $0.0001 per share	The New York Stock Exchange
Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50	The New York Stock Exchange

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box.  ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box.  ☐

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box.  ☐

Securities Act registration statement or Regulation A offering Statement file number to which this form relates: 333-248916

Securities to be registered pursuant to Section 12(g) of the Act:

N/A

(Title of Class)

Item 1. Description of Registrant’s Securities to be Registered.

The securities to be registered hereby are units, Class A common stock, par value $0.0001 per share, and redeemable warrants to purchase Class A common stock, of FirstMark Horizon Acquisition Corp. (the “Registrant”). The description of the units, Class A common stock and warrants set forth under the heading “Description of Securities” in the Registrant’s prospectus forming part of its Registration Statement on Form S-1 (File No. 333-248916), originally filed with the Securities and Exchange Commission on September 18, 2020, as thereafter amended and supplemented from time to time (the “Registration Statement”), to which this Form 8-A relates is incorporated by reference herein. Any form of prospectus or prospectus supplement to the Registration Statement that includes such descriptions and that are subsequently filed are hereby also incorporated by reference herein.

Item 2. Exhibits.

Pursuant to the Instructions as to Exhibits for Form 8-A, no exhibits are required to be filed, because no other securities of the Registrant are registered on The New York Stock Exchange, and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

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SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

	FirstMark Horizon Acquisition Corp.
Date: October 1, 2020	By:	/s/ Eric D. Cheung
		Name:	Eric D. Cheung
		Title:	Secretary

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