UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): November 5, 2021 ( November 5, 2021)

FirstMark Horizon Acquisition Corp.

(Exact name of Registrant as specified in its charter)

Delaware		001-39585		85-2547650
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

100 5th Ave, 3rd Floor New York, NY		10011
(Address of principal executive offices)		(Zip Code)

(212) 792-2200
(Registrant’s telephone number, including area code)

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Units, each consisting of one share of Class A common stock and one-third of one redeemable warrant	FMAC.U	New York Stock Exchange
Class A common stock, par value $0.0001 per share	FMAC	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	FMAC WS	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On November 5, 2021, Allison Goldberg informed FirstMark Horizon Acquisition Corp. (the “Company”) of her decision to resign from the board of directors of the Company, effective as of November 5, 2021. Ms. Goldberg had served as a member of the Company’s board of directors since October 2020. Ms. Goldberg’s resignation was not the result of any disagreement with the Company on any matter related to the Company’s operations, policies or practices.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: November 5, 2021

	FirstMark Horizon Acquisition Corp.

	/s/ Richard Heitzmann
	Name:	Richard Heitzmann
	Title:	Chief Executive Officer