SCHEDULE 13G

OTG ACQUISITION CORP. I

Class A ordinary shares, par value $0.0001 per share · CUSIP: G6791A126

Event date: 2025-09-15

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

• Linden Capital L.P.

  Shares: 1,188,630 · Class: 5.0%

• Linden GP LLC

  Shares: 1,188,630 · Class: 5.0%

• Linden Advisors LP

  Shares: 1,250,000 · Class: 5.3%

• Siu Min Wong

  Shares: 1,250,000 · Class: 5.3%

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