William P. Noglows - 23 Jun 2026 Form 4 Insider Report for ASPEN AEROGELS INC (ASPN)

Reporting relationship: Director
Issuer ticker: ASPN
Reported as of: 23 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Jun 2026, 16:15:19 UTC
Prior SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Glenn Deegan, Attorney-in-Fact

Key filing fact

William P. Noglows filed Form 4 for ASPEN AEROGELS INC (ASPN) on 26 Jun 2026.

Key facts

This page summarizes William P. Noglows's Form 4 filing for ASPEN AEROGELS INC (ASPN).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Jun 2026, 16:15.

Change

Previous filing in this sequence was filed on 08 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001201094 Primary reporting owner

NOGLOWS WILLIAM P

Relationship: Director
Address: C/O ASPEN AEROGELS, INC.,, 30 FORBES ROAD, BLDG B, NORTHBOROUGH
Signature: /s/ Glenn Deegan, Attorney-in-Fact
Signature date: 26 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASPN transaction

Common Stock

Options Exercise

Transaction value
Shares: +14,799
Change %: +15%
Price: $4.75^*
Shares after: 114,156
Date: 23 Jun 2026
Ownership: Direct
Footnotes: F1

ASPN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 23 Jun 2026
Ownership: See footnote 2
Footnotes: F2

ASPN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 23 Jun 2026
Ownership: See footnote 3
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ASPN transaction Derivative

Stock Options (Right to Buy)

Options Exercise

Transaction value
Shares: -14,799
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 23 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,799
Exercise price: $4.75
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Represents 103,786 shares of Common Stock and 10,370 Restricted Stock Units.

Footnote F2

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.

Footnote F3

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.

Footnote F4

These stock options were fully vested and exercisable.