Redford Alison exercised Options for 4,500 derivative securities of Gran Tierra Energy Inc. on 2026-09-15, leaving 4,965 derivative securities after the transaction. The exercise equaled about 47.5% of Alison’s prior derivative-securities holding, giving investors the stated scale of the director’s transaction.

Key Highlights

  • Redford Alison exercised options for 4,500 Gran Tierra Energy derivative securities on 15 September 2026.
  • The transaction used SEC code M, which identifies an option exercise.
  • Alison held 4,965 derivative securities after completing the transaction.

Redford Alison exercised options for 4,500 derivative securities of Gran Tierra Energy Inc. (AMEX: GTE) on 15 September 2026. Alison’s position following the transaction stood at 4,965 derivative securities.

4,500 Options Exercised on September 15

The transaction date was 15 September 2026. The reported post-transaction holding was 4,965 derivative securities.

Transaction Equalled 47.5% of Prior Holding

The reported 4,965 derivative securities figure refers to the holding after the exercise, while the 47.5% figure refers to the transaction’s share of the earlier holding. The disclosure therefore gives both the resulting position and the stated proportion of the prior position.