Sec Form 13G Filing - Telemark Asset Management LLC filing for ASPEN AEROGELS, INC (ASPN) - 2021-02-12

Aspen Aerogels, Inc.

(Name of Issuer)

Common stock, par value $0.00001 per share

(Title of Class of Securities)

04523Y105

(CUSIP Number)

December 31, 2020

(Date of Event Which Requires Filing of this Statement)

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Telemark Asset Management, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b)⊠
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			2,250,000 shares
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			See Row 6 above
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	See Row 6 above
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	8.30%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IA;OO

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Telemark Fund, LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b)⊠
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			2,250,000 shares
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			See Row 6 above
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	See Row 6 above
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	8.30%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Colin McNay
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b)⊠
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			2,250,000 shares
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			See Row 6 above
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	See Row 6 above
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	8.30%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

Item 1(a).

Name of Issuer: Aspen Aerogels, Inc.

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).

Title of Class of Securities:

Item 2(e).

CUSIP Number:

Item 3.

If This Statement Is Filed Pursuant to Sections 240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing Is a(n):

(a)

☐ Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);

(b)

☐ Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

☐ Insurance company as defined in Section 3(a)(19) of the 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 Section 240.13d-1(b)(1)(ii)(E);

(f)

☐ Employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F);

(g)

☐ Parent holding company or control person in accordance with Section 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)

☐ A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J);

(k)

☐ Group, in accordance with Section 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____________________________ .

Item 4.

Ownership.

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 2,250,000 shares

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.

Item 8.

Identification and Classification of Members of the Group.

Item 9.

Notice of Dissolution of Group.

Item 10.

Certification.

	TELEMARK ASSET MANAGEMENT, LLC
	By:	/s/ Brian C. Miley
		Name: Brian C. Miley
		Title: Chief Financial Officer
	TELEMARK FUND, LP
	By: Telemark Asset Management, LLC, investment adviser
	By:	/s/ Brian C. Miley
		Name: Brian C. Miley
		Title: Chief Financial Officer
	By:	/s/ Colin McNay
		Name: Colin McNay
		Title: President and sole owner of Telemark Asset Management, LLC

Exhibit	Description of Exhibit
99.1	Joint Filing Agreement

	TELEMARK ASSET MANAGEMENT, LLC
	& #xA0;
	By:	/s/ Brian C. Miley
		Name: Brian C. Miley
		Title: Chief Financial Officer
	TELEMARK FUND, LP
	By: Telemark Asset Management, LLC, investment adviser
	By:	/s/ Brian C. Miley
		Name: Brian C. Miley
		Title: Chief Financial Officer
	By:	/s/ Colin McNay
		Name: Colin McNay, in his individual capacity