Welcome to our dedicated page for GRAN TIERRA ENERGY SEC filings (Ticker: GTE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Gran Tierra Energy Inc. filings document formal disclosures for an oil and gas exploration and production company with reportable segments in Colombia, Ecuador, Canada and Other. Form 8-K reports cover operating and financial results, reserves information, material definitive agreements, debt obligations and changes to credit arrangements, including senior secured amortizing notes and crude oil sale and purchase agreements.
Proxy materials describe annual meeting proposals, director elections, auditor ratification, executive compensation votes and board committee governance. The filing record also documents capital-structure activity, subsidiary guarantees and security interests, Canadian NI 51-101 reserves disclosure, and governance changes affecting board size and committee composition.
For Gran Tierra Energy Inc. (GTE), entities affiliated with Equinox Partners reported a series of open-market sales of common shares. On 2026-08-13 and 2026-08-14, the funds and managed accounts sold an aggregate of 674,949 common shares at prices of $9.23 and $9.31 per share. The positions are reported as indirectly owned through Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP, and managed accounts. The reporting persons disclose that they may be deemed to beneficially own the securities through these relationships but disclaim beneficial ownership except to the extent of their pecuniary interest. The Rule 10b5-1 trading-plan checkbox was not marked.
Gran Tierra Energy Inc. shareholder group led by Equinox Partners Investment Management LLC filed Amendment No. 4 to Schedule 13D regarding its holdings of Gran Tierra common stock. The reporting persons collectively beneficially own 4,149,531 Shares, representing 11.7% of the outstanding common stock, based on 35,380,429 Shares outstanding as reported in Gran Tierra’s Form 10-Q filed August 5, 2026.
Equinox Partners Investment Management LLC is investment adviser to client accounts that hold a portion of these Shares, and the filing states that all Shares were acquired using approximately $22,163,850.39 of client investment capital, including commissions. Shares may be held in margin accounts and pledged as collateral for debit balances. The reporting persons and Sean M. Fieler expressly disclaim beneficial ownership of Shares they do not directly own, including 43,917 Shares underlying deferred stock units awarded to former director Brad Virbitsky. The filing notes that, other than transactions listed on Schedule 1 or previously reported, there have been no other transactions in the past 60 days.
Equinox Partners Investment Management LLC and related funds reported sales of Gran Tierra Energy Inc. common shares. On August 11 and 12, 2026, entities including Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP, and managed accounts indirectly sold an aggregate of 413,887 common shares of Gran Tierra Energy at per-share prices of $9.30 and $9.49. The shares were held by these funds and accounts, and the reporting persons disclaim beneficial ownership beyond their pecuniary interests.
Gran Tierra Energy Inc. is the subject of an amended Schedule 13G filing (Amendment No. 5) by Daniel Lau, Christine Man, LM Asset Management Inc., LM Asset Fund Limited Partnership, and LM Asset General Partner Ltd. These reporting persons state they are filing jointly but each expressly disclaims membership in a group and beneficial ownership beyond their pecuniary interest. Based on 35,380,429 shares of common stock outstanding as of August 5, 2026, Daniel Lau reports beneficial ownership of 4,812,420 shares (13.6%), and Christine Man 4,637,970 shares (13.1%). LM Asset Management Inc. reports 4,365,420 shares (12.3%), the Partnership 2,847,800 shares (8.1%), and the General Partner 3,648,020 shares (10.3%). Voting and dispositive power is split between limited sole power and substantial shared power across these entities, reflecting control relationships among the advisers and funds.
Equinox Partners-managed entities reported open-market sales of 218,053 Gran Tierra Energy common shares on August 7 and 10, 2026, at per-share prices of $9.05–$9.08. The trades were made through funds and managed accounts advised by Equinox Partners Investment Management LLC, which, along with related parties, disclaims beneficial ownership beyond its pecuniary interests.
Gran Tierra Energy Inc. insider funds associated with Equinox Partners Investment Management LLC reported sales of 1,600,000 common shares of the company. The indirect dispositions were made on August 5–6, 2026 at per-share prices of $10.60 and $9.20 by Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP, and a managed account. The reporting persons state they disclaim beneficial ownership beyond their pecuniary interest, with Equinox Partners Investment Management LLC acting as investment advisor to the funds and its president potentially deemed a beneficial owner through these relationships.
Gran Tierra Energy Inc. filed an amended report to add as an exhibit the Share Sale and Purchase Agreement dated August 5, 2026 covering a planned sale transaction involving Gran Tierra Energy International Holdings GmbH and Établissements Maurel & Prom S.A. and Maurel & Prom Andina. The amendment states that, aside from filing this agreement as Exhibit 2.1, all other disclosures from the earlier report remain unchanged. The company explains that approval of the Sale Transaction will be submitted to stockholders through a forthcoming definitive proxy statement, which will describe the transaction and related matters. The filing includes cautionary language that many statements are forward-looking and notes that the report is not a proxy solicitation, an offer to buy or sell securities, or a notice of redemption of the company’s 7.750% Senior Notes due 2027.
Gran Tierra Energy Inc. is the subject of an amended Schedule 13D filing in which Equinox Partners Investment Management LLC, affiliated funds, and Sean M. Fieler report beneficial ownership of 4,781,471 shares of common stock. This represents approximately 13.5% of Gran Tierra’s outstanding common shares, based on 35,380,429 shares outstanding as disclosed in a recent quarterly report. The shares were acquired using clients’ investment capital, with an aggregate purchase cost of about $25,511,601.87, including commissions, and some positions may be held in margin accounts. The reporting group states it bought the stock because it viewed it as undervalued and may increase or decrease its holdings over time. It may also engage with management, the board, other shareholders, and potential acquirers, and may make proposals regarding capital allocation, capitalization, ownership structure (including a possible sale of the issuer), board composition, or operations. The filers disclaim beneficial ownership of shares they do not directly own, including 43,917 shares underlying deferred stock units awarded to former director Brad Virbitsky.
Gran Tierra Energy Inc. reported that investment entities associated with Equinox Partners sold an aggregate of 1,600,000 common shares in open‑market or private transactions on August 5–6, 2026 at prices of $10.6000 and $9.1600 per share. The sales were made indirectly through Equinox Partners, L.P., Kuroto Fund LP, Mason Hill Partners, LP and managed accounts. The reporting parties disclaim beneficial ownership beyond their pecuniary interest, and the trades were not reported as pursuant to a Rule 10b5‑1 plan.
Gran Tierra Energy Inc. Chief Operating Officer Sebastien Morin acquired 624 shares of common stock on August 4, 2026 through the Gran Tierra Inc. Employee Stock Purchase Plan at $7.12 per share, resulting in direct holdings of 37,691 shares.
The acquisition was reported as exempt under both Rule 16b-3(d) and Rule 16b-3(c), and the purchase price was transacted in Canadian currency and converted to U.S. currency.