SCHEDULE 13G/A

Keel Infrastructure Corp.

Common Stock, $0.001 par value per share · CUSIP: 486917107

Event date: 2026-09-30

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

• JANE STREET GROUP, LLC

  Shares: 10,267,973.00 · Class: 1.7%

• Jane Street Capital, LLC

  Shares: 6,319,541.00 · Class: 1.0%

• Jane Street Global Trading, LLC

  Shares: 3,948,432.00 · Class: 0.6%

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