Aspen Aerogels, Inc. · NYSE:ASPN

Needham Investment Management LLC reported a 5.30% stake in Aspen Aerogels, Inc. (Schedule 13G)

Event Dec 31, 2025 · Filed Feb 13, 2026

Needham Investment Management LLC reported a 5.30% stake in Aspen Aerogels, Inc., 4,351,700 shares, as a passive investor on Dec 31, 2025. Filed Feb 13, 2026 (Schedule 13G).

Stake
5.30%
Shares
4,351,700
Intent
Passive
What changed
Crossed above 5%
Filed together
3 holders

The filing in full

HolderStakeShares
NEEDHAM INVESTMENT MANAGEMENT L.L.C.5.30%4,351,700
NEEDHAM ASSET MANAGEMENT, LLC5.30%4,351,700
GEORGE A. NEEDHAM5.30%4,351,700

Source

View original at SEC

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