SCHEDULE 13G

REVIVA PHARMACEUTCLS HLDGS I

Common Stock, par value $0.0001 per share · CUSIP: 76152G100

Event date: 2025-09-22

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

• 683 CAPITAL MANAGEMENT, LLC

  Shares: 5,435,000.00 · Class: 5.36%

• 683 CAPITAL PARTNERS, LP

  Shares: 5,435,000.00 · Class: 5.36%

• Zweiman Ari

  Shares: 5,435,000.00 · Class: 5.36%

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