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$ASPN All transactions

ASPEN AEROGELS INC

A

$ Value

$0

Shares

10,273

Price

$0

Filed

Dec 19

Insider

Name

Thoele Grant Douglas

Title

CFO & Treasurer

CIK

0002089743

Roles

Officer

Transaction Details

Transaction Date

2025-10-01

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

25,392

Footnotes

Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock upon vesting. The RSUs vest as to one-third of the shares on March 5, 2026, an additional one-third of the shares on March 5, 2027 and the remaining one-third of the shares on March 5, 2028. | This Form 4/A is being filed to correct the reported total of Securities Beneficially Owned following the reported transaction. The beneficially owned shares previously reported did not include 10,511 restricted stock units granted prior to the October 1, 2025, transaction date. | Represents 4,608 shares of Common Stock and 20,784 RSUs.

Filing Info

Accession No.

0001193125-25-327079

Form Type

4/A

Issuer CIK

0001145986

Thoele Grant Douglas's History

Date Ticker Type Value
2026-03-08 ASPN F $2K
2026-03-05 ASPN F $8K
2026-03-04 ASPN A $0
2026-03-04 ASPN A $0
2025-10-01 ASPN A $0
2025-10-01 ASPN A $0
2025-10-01 ASPN A $0

Other Insiders at ASPN (90d)

Insider Bought Sold Last
DEEGAN GLENN E.
CAO, GC & Corp Secretary
2026-03-04
Young Donald R
President and CEO
2026-03-08
Whitaker Corby C
Chief Commercial Officer
2026-03-08
Whitaker Corby C
SVP, Sales and Marketing
2026-03-05
Landes Gregg
Chief Operating Officer
2026-03-08
Landes Gregg
SVP, Operations and Strat Deve
2026-03-05
Daniel Santhosh P
Chief Accounting Officer
2026-03-05
Thoele Grant Douglas
CFO & Treasurer
2026-03-08