SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* South Lake One LLC (Last) (First) (Middle) AVENIDA PRESIDENTE RIESCO 5711 OFICINA 1603, LAS CONDES (Street) SANTIAGO F3 7550000 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/27/2021	3. Issuer Name and Ticker or Trading Symbol FTC Solar, Inc. [ FTCI ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,851,925(1)(2)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Isidoro Quiroga Moreno indirectly controls South Lake One LLC ("South Lake") which has sole voting power and sole dispositive power with respect to all of the shares of the Issuer's Common Stock held by it. Mr. Quiroga Moreno is the father of Isidoro Quiroga Cortes, a member of the Issuer's board of directors. Mr. Quiroga Cortes disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

2. Does not reflect a 8.25-for-1 stock split of the Issuer's capital stock expected to be effected on April 28, 2021.

	/s/ Isidoro Quiroga Moreno, President on behalf of South Lake One LLC	04/27/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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