Aspen Aerogels, Inc. · NYSE:ASPN

Needham Investment Management LLC's stake in Aspen Aerogels, Inc. fell to 3.90% (Schedule 13G/A)

Event Jun 30, 2026 · Filed Aug 13, 2026

Needham Investment Management LLC's stake in Aspen Aerogels, Inc. fell to 3.90%, 3,260,800 shares, as a passive investor on Jun 30, 2026. Filed Aug 13, 2026 (Schedule 13G/A).

Stake
3.90%
Shares
3,260,800
Intent
Passive
What changed
Fell below 5%
Filed together
3 holders

The filing in full

HolderStakeShares
Needham Investment Management L.L.C.3.90%3,260,800
Needham Asset Management, LLC3.90%3,260,800
George A. Needham3.90%3,260,800

Source

View original at SEC

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