Castle Biosciences, Inc. · NASDAQ:CSTL

Portolan Capital Management, LLC's stake in Castle Biosciences, Inc. fell to 4.45% (Schedule 13G/A)

Event Mar 31, 2026 · Filed May 15, 2026

Portolan Capital Management, LLC's stake in Castle Biosciences, Inc. fell to 4.45%, 1,350,283 shares, as a passive investor on Mar 31, 2026. Filed May 15, 2026 (Schedule 13G/A).

Stake
4.45%
Shares
1,350,283
Intent
Passive
What changed
Fell below 5%
Filed together
2 holders

The filing in full

HolderStakeShares
Portolan Capital Management, LLC4.45%1,350,283
George McCabe4.45%1,350,283

Source

View original at SEC

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