SEC Form SC 13G filed by Colonnade Acquisition Corp.

Ouster, Inc.

(f/k/a Colonnade Acquisition Corp.)

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Titles of Class of Securities)

G2283K110

(CUSIP Number)

March 11, 2021

(Date of Event Which Requires Filing of this Statement)

1	NAME OF REPORTING PERSON   Krishna Kantheti
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 26,080,198
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 26,080,198
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 26,080,198
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 16.2%*
12	TYPE OF REPORTING PERSON IN

1	NAME OF REPORTING PERSON   Banyan Venture Holdings LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 26,080,198
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 26,080,198
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 26,080,198
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 16.2%
12	TYPE OF REPORTING PERSON OO

Item 1(a).

Name of Issuer:

Item 1(b).

Address of Issuer’s Principal Executive Offices:

Item 2(a).

Name of Person Filing:

Item 2(b).

Address of Principal Business Office or, if None, Residence:

Item 2(c).

Citizenship:

Item 2(d).

Titles of Class of Securities:

Item 2(e).

CUSIP Number:

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

	(a)	☐	Broker or dealer registered under Section 15 of the Exchange Act (15 U.S.C. 78o).
	(b)	☐	Bank as defined in Section 3(a)(6) of the Exchange Act (15 U.S.C. 78c).
	(c)	☐	Insurance company as defined in Section 3(a)(19) of the Exchange Act (15 U.S.C. 78c).
	(d)	☐	Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
	(e)	☐	Investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).
	(f)	☐	Employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F).
	(g)	☐	Parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G).
	(h)	☐	Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813).
	(i)	☐	Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3).
	(j)	☐	Non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J).
	(k)	☐	Group in accordance with §240.13d-1(b)(1)(ii)(K).
	If filing as a non-U.S. institution in accordance with §240. 13d-1(b)(1)(ii)(J), please specify the type of institution: ______________ .

Item 4.

Ownership

(a)	Amount beneficially owned:

(b)	Percent of class:

(c)	Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote:

(ii)

Shared power to vote or to direct the vote:

(iii)

Sole power to dispose or to direct the disposition of:

(iv)

Shared power to dispose or to direct the disposition of:

Item 5.

Ownership of Five Percent or Less of a Class.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Item 8.

Identification and Classification of Members of the Group.

Item 9.

Notice of Dissolution of Group.

Item 10.

Certification.

	/s/ Krishna Kantheti
	Name:	Krishna Kantheti
	Banyan Venture Holdings LLC
	By:	/s/ Krishna Kantheti
		Name:	Krishna Kantheti
		Title:	Manager

Exhibit 1

Agreement of Joint Filing.