SCHEDULE 13G/A

Gran Tierra Energy Inc

Common Stock · CUSIP: 38500T200

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

• Daniel Lau

  Shares: 2,521,800.00 · Class: 7.2%

• Christine Man

  Shares: 2,347,350.00 · Class: 6.7%

• LM Asset (IM) Inc.

  Shares: 2,181,800.00 · Class: 6.2%

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