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$ASPN All transactions

ASPEN AEROGELS INC

▼ SELL 10b5-1 Plan

$ Value

$184K

Shares

56,845

Price

$3

Filed

Nov 14

Insider

Name

Young Donald R

Title

President and CEO

CIK

0001610257

Roles

Director Officer

Transaction Details

Transaction Date

2025-11-13

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

494,011

Footnotes

The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan. This plan was previously adopted by the reporting person on August 11, 2025, to sell a limited number of shares for tax purposes in connection with a one-time personal real estate transaction. | These transactions were executed in multiple trades at prices ranging from $3.15 to $3.41. 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. | Represents 414,306 shares of Common Stock and 79,705 Restricted Stock Units.

Filing Info

Accession No.

0001193125-25-283251

Form Type

4

Issuer CIK

0001145986

Young Donald R's History

Date Ticker Type Value
2026-03-08 ASPN F $14K
2026-03-05 ASPN F $28K
2026-03-04 ASPN A $0
2026-03-04 ASPN A $0
2025-11-13 ASPN $184K
2025-05-12 ASPN $107K

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