YOUNG DONALD R

PrivateCIK: 1610257
Location

NORTHBOROUGH, MA

YOUNG DONALD R (President and CEO) sold 10.3% of their position (56.84K shares) of ASPEN AEROGELS INC on the open market

Open‑market sale worth $183.6K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderYOUNG DONALD RCIK 1610257
IssuerASPEN AEROGELS INCCIK 1145986
DirectorOfficer· President and CEO
Since Mar 2026
-56.84K
Net shares
Net seller
$183.6K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
56.84K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

56.84K

Price / share

$3.23

Trade value

$183.61K

% of position

10.3%
11/13/2025
550.86K494.01K
Total

Net shares

56.84K

Net value

-$183.61K

Derivative Transactions0
No derivative transactions reported
YOUNG DONALD R — Insider Transaction (Form 4) Filed Nov 14, 2025 | Finecho