STOCK TITAN

Aspen Aerogels (ASPN) director exercises 14,799 options, updates share and RSU holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Aspen Aerogels director William P. Noglows reported an option exercise and updated his holdings. He exercised stock options covering 14,799 shares of Common Stock at an exercise price of $4.75 per share, converting them into directly held shares.

After the transaction, he directly holds 114,156 shares of Common Stock, which the footnotes state includes 103,786 shares and 10,370 Restricted Stock Units. The filing also notes 10,000 shares held indirectly in a trust for each of two children, where he serves as trustee.

Positive

  • None.

Negative

  • None.
Insider NOGLOWS WILLIAM P
Role null
Type Security Shares Price Value
Exercise Stock Options (Right to Buy) 14,799 $0.00 --
Exercise Common Stock 14,799 $4.75 $70K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Options (Right to Buy) — 0 shares (Direct, null); Common Stock — 114,156 shares (Direct, null); Common Stock — 10,000 shares (Indirect, See footnote 2)
Footnotes (1)
  1. Represents 103,786 shares of Common Stock and 10,370 Restricted Stock Units. These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children, of which the reporting person is the Trustee. These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children, of which the reporting person is the Trustee. These stock options were fully vested and exercisable.
Options exercised 14,799 shares Stock options converted to Common Stock on 2026-06-23
Exercise price $4.75 per share Exercise or conversion price for the 14,799 options
Direct holdings after 114,156 shares Common Stock directly held following the transaction
Direct shares component 103,786 shares Portion of direct holdings that are actual shares of Common Stock
RSUs component 10,370 RSUs Restricted Stock Units included in direct holdings
Child trust holdings 10,000 shares each Two trusts for children, each holding 10,000 Common Stock shares
Option expiration 2026-06-24 Expiration date of the exercised stock options
Exercise events 1 exercise, 14,799 shares Aggregate option exercise activity in this filing
Restricted Stock Units financial
"Represents 103,786 shares of Common Stock and 10,370 Restricted Stock Units."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Stock Options (Right to Buy) financial
"Stock Options (Right to Buy) with an exercise price of 4.7500."
indirect ownership financial
"These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children."
Trust financial
"These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children."
A trust is a legal setup in which one party (the trustee) holds and manages assets—like cash, stocks or property—on behalf of other people (beneficiaries) according to instructions from the person who created it (the grantor). Think of it as a locked box with a keyholder who must follow written rules; for investors it matters because trusts influence who controls and benefits from assets, affect taxes and succession, and can change how quickly or transparently shares are bought, sold or voted.
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
NOGLOWS WILLIAM P

(Last)(First)(Middle)
C/O ASPEN AEROGELS, INC.,
30 FORBES ROAD, BLDG B

(Street)
NORTHBOROUGH MASSACHUSETTS 01532

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ASPEN AEROGELS INC [ ASPN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/23/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)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)
CodeVAmount(A) or (D)Price
Common Stock06/23/2026M14,799A$4.75114,156(1)D
Common Stock10,000(2)ISee footnote 2
Common Stock10,000(3)ISee footnote 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 (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)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 (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options (Right to Buy)$4.7506/23/2026M14,799 (4)06/24/2026Common Stock14,799$00D
Explanation of Responses:
1. Represents 103,786 shares of Common Stock and 10,370 Restricted Stock Units.
2. These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children, of which the reporting person is the Trustee.
3. These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children, of which the reporting person is the Trustee.
4. These stock options were fully vested and exercisable.
/s/ Glenn Deegan, Attorney-in-Fact06/26/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What did ASPN director William Noglows do in this Form 4 filing?

Director William P. Noglows exercised stock options for 14,799 Aspen Aerogels shares at $4.75 per share. The filing also updates his direct and indirect holdings, including shares and Restricted Stock Units, as of the reported date.

How many Aspen Aerogels shares does William Noglows hold after the transaction?

After the option exercise, William P. Noglows directly holds 114,156 Aspen Aerogels Common Stock shares. Footnotes clarify this includes 103,786 actual shares plus 10,370 Restricted Stock Units reported together in the position figure.

What stock options did William Noglows exercise in ASPN?

He exercised options covering 14,799 shares of Aspen Aerogels Common Stock at a $4.75 exercise price. The related derivative position is shown as reduced to zero following the exercise, indicating those options were fully used in this transaction.

Does William Noglows have any remaining Aspen Aerogels stock options after this filing?

The filing shows the exercised stock option position reduced to zero shares following the transaction. The derivative summary is empty, indicating no remaining option position is reported for this particular grant after the exercise.

What indirect Aspen Aerogels holdings are reported for William Noglows?

The filing lists two indirect positions of 10,000 Aspen Aerogels shares each, held in separate trusts for two of his children. He serves as trustee for both trusts, and the entries reference explanatory footnotes describing these arrangements.

How many Restricted Stock Units does William Noglows have in ASPN?

A footnote states that his direct position includes 10,370 Restricted Stock Units in addition to 103,786 shares of Common Stock. These RSUs are reported together with shares in the total direct holding of 114,156 units after the transaction.