Sec Form 4 Filing - HUFF CRAIG A @ ASPEN AEROGELS INC - 2016-11-08

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person HUFF CRAIG A 2. Issuer Name and Ticker or Trading Symbol ASPEN AEROGELS INC [ ASPN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O RESERVOIR CAPITAL GROUP, L.L.C., 767 FIFTH AVENUE, 16TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 11/08/2016 (Street) NEW YORK, NY10153 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/08/2016 S 816 D $ 3.9484 250,987 I Held by Reservoir Capital Master Fund, L.P. ( 1 ) Common Stock 11/08/2016 S 19,306 D $ 3.9484 2,634,258 I Held by Reservoir Capital Partners, L.P. ( 1 ) Common Stock 10,736 D ( 2 ) ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HUFF CRAIG A C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X X RESERVOIR CAPITAL PARTNERS LP C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X RESERVOIR CAPITAL MASTER FUND LP C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X STERN DANIEL H C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X RCGM LLC C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X RESERVOIR CAPITAL GROUP LLC 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X RESERVOIR CAPITAL PARTNERS CAYMAN LP C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X RCP GP, LLC C/O RESERVOIR CAPITAL GROUP, L.L.C. 767 FIFTH AVENUE, 16TH FLOOR NEW YORK, NY10153 X Signatures /s/ Craig A. Huff 11/10/2016 Signature of Reporting Person Date /s/ Reservoir Capital Partners, L.P., by RCP GP, LLC, its general partner, by Craig A. Huff, Co-Chief Executive Officer 11/10/2016 Signature of Reporting Person Date /s/ Reservoir Capital Master Fund, L.P., by Reservoir Capital Group, L.L.C., its general partner, by Craig A. Huff, Co-Chief Executive Officer 11/10/2016 Signature of Reporting Person Date /s/ Daniel H. Stern 11/10/2016 Signature of Reporting Person Date /s/ RCGM, LLC, by Craig A. Huff, Senior Managing Director 11/10/2016 Signature of Reporting Person Date /s/ Reservoir Capital Group, L.L.C., by Craig A. Huff, Co-Chief Executive Officer 11/10/2016 Signature of Reporting Person Date /s/ Reservoir Capital Partners (Cayman), L.P., by Reservoir Capital Group, L.L.C., its general partner, by Craig A. Huff, Co-Chief Executive Officer 11/10/2016 Signature of Reporting Person Date /s/ RCP GP, LLC, by Craig A. Huff, Co-Chief Executive Officer 11/10/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The securities held by Reservoir Capital Partners, L.P. ("RCP") and Reservoir Capital Master Fund, L.P. ("RCMF") may be deemed to be beneficially owned by Craig A. Huff and Daniel Stern, who are the senior managing members (the "Reservoir Members") of RCGM, LLC ("RCGM"). RCGM is the managing member of Reservoir Capital Group, L.L.C. ("RCG"), which is the general partner of Reservoir Capital Partners (Cayman), L.P. ("RCP Cayman"), which is the sole member of RCP GP, LLC ("RCP GP"), and which is the general partner of RCP. RCG is the general partner of RCMF. Each of the Reservoir Members, RCGM, RCG, RCP Cayman and RCP GP disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. Amounts in Column 5 of Table 1 reflect changes in form of beneficial ownership that have occurred since the most recent prior statement filed by the Reporting Persons. ( 2 )Restricted shares of common stock representing a portion of the annual grant of equity for service as a nonemployee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 24, 2017 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2017. Pursuant to an arrangement between Mr. Huff, RCP and RCMF (collectively, the "Reservoir Funds"), such shares and options are held by him solely as a nominee for the Reservoir Funds and he is required to transfer such shares and the shares underlying such options to the applicable Reservoir Funds as soon as practicable after such shares can be transferred without restrictions. (cont'd in FN 3) ( 3 )(cont'd from FN 2) Such shares and options are included as directly beneficially owned by Mr. Huff, but may also be deemed to be beneficially owned by the other Reporting Persons as a result of such arrangements. Each of the Reporting Persons disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein.

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 4(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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.