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Ownership Document
|
| Schema Version: X0306 |
| Document Type: 4 |
| Period of Report: 3/11/21 |
| Not Subject to Section 16: 0 |
| Issuer: |
| Issuer CIK: 1145986 |
| Issuer Name: ASPEN AEROGELS INC |
| Issuer Trading Symbol: ASPN |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1610273 |
| | Owner Name: Whitaker Corby C |
| Reporting Owner Address: |
| | Owner Street 1: C/O ASPEN AEROGELS, INC. |
| | Owner Street 2: 30 FORBES ROAD, BUILDING B |
| | Owner City: NORTHBOROUGH |
| | Owner State: MA |
| | Owner ZIP Code: 01532 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? No |
| | Is Officer? Yes |
| | Is Ten Percent Owner? No |
| | Is Other? No |
| | Officer Title: SVP, Sales and Marketing |
| Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 3/11/21 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: M |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 14,500 |
| | | Transaction Price Per Share: |
| Value: 7.54 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 124,680 |
| Footnote ID: F1 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 3/11/21 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: S |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 14,500 |
| | | Transaction Price Per Share: |
| Value: 22.65 |
| Footnote ID: F2 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 110,180 |
| Footnote ID: F3 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Stock Option (Right to Buy) |
| | Conversion or Exercise Price: |
| | | Value: 7.54 |
| | Transaction Date: |
| | | Value: 3/11/21 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: M |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 14,500 |
| | | Transaction Price Per Share: |
| Value: 0.00 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Exercise Date: |
| | | Footnote ID: F4 |
| | Expiration Date: |
| | | Value: 3/11/25 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 14,500 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 4,258 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: Represents 105,846 shares of Common Stock and 18,834 Restricted Stock Units. |
| Footnote - F2: Average price with actual price ranging from $22.25 and $22.865. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price. |
| Footnote - F3: Represents 91,346 shares of Common Stock and 18,834 Restricted Stock Units. |
| Footnote - F4: This option is fully vested and exercisable. |
| Remarks: |
| Owner Signature: |
| Signature Name: /s/ Poongunran Muthukumaran, Attorney-in-Fact |
| Signature Date: 3/12/21 |
