SCHEDULE 13G/A

ThredUp Inc

Class A Common Stock, $0.0001 par value per share · CUSIP: 88556E102

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Needham Investment Management L.L.C.

  Shares: 5,875,000.00 · Class: 6.1%

• Needham Asset Management, LLC

  Shares: 5,875,000.00 · Class: 6.1%

• Needham Aggressive Growth Fund

  Shares: 5,875,000.00 · Class: 6.1%

• George A. Needham

  Shares: 5,875,000.00 · Class: 6.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.