SCHEDULE 13D/A

ULTRALIFE BATTERIES INC

Common Stock, $.10 par value per share · CUSIP: 903899102

Event date: 2026-11-10

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

• WHITMORE BRADFORD TReported CIK 0000933430

  Shares: 6,708,835.00 · Class: 40.3%

• SUNRAY I, LLCReported CIK 0001564292

  Shares: 4,452,283.00 · Class: 26.7%

• WHITMORE HOLDINGS, LLC

  Shares: 1,750,637.00 · Class: 10.5%

• ZISTAR MANAGEMENT, LLC

  Shares: 4,452,283.00 · Class: 26.7%

• BUN PARTNERS, INC.

  Shares: 300,000.00 · Class: 1.8%

• BRADFORD WHITMORE TRUST

  Shares: 6,502,920.00 · Class: 39.1%

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