Pinto Pablo Manuel Vera reported disposition transactions in this Form 4 filing. Vista Energy, S.A.B. de C.V. reported that its Chief Financial Officer, Pinto Pablo Manuel Vera, had 67,297 employee stock options canceled by the company on October 2, 2026. The options had a $17.83 per-share exercise price and a reported transaction price of $57.57 per share; the reported resulting position for this option line was zero.
Alejandro Chernacov reported disposition transactions in this Form 4 filing. Vista Energy, S.A.B. de C.V. (VIST) reported that its Strategic Planning and IRO officer, Alejandro Chernacov, had 61,179 employee stock options canceled by the company on October 2, 2026. The options had a $17.83 exercise price and an expiration date of February 23, 2033; his reported resulting position was zero options.
Vista Energy, S.A.B. de C.V. (VIST) Chief Executive Officer Miguel Matias Galuccio reported the disposition of 305,895 employee stock options on October 2, 2026; the company canceled the options. They had an exercise price of $17.83 per share and an expiration date of February 23, 2033. Galuccio reported zero options following the transaction. A transaction price of $57.57 per share was reported.
Juan Maria Garoby reported disposition transactions in this Form 4 filing. Vista Energy, S.A.B. de C.V. Chief Technology Officer Juan Maria Garoby reported that the company canceled 67,297 employee stock options on October 2, 2026. The options had an exercise price of $17.83, were vested and exercisable through February 23, 2033, and the reported following-transaction amount was 0 options. No Rule 10b5-1 plan is reported.
Vista Energy, S.A.B. de C.V. announced that it will release its consolidated financial statements for the third quarter on Wednesday, October 28, 2026, after market closes. The company will present the results through a webcast on Thursday, October 29, 2026, at 8:00 a.m. Mexico City time (10:00 a.m. ET; 11:00 a.m. BAT).
Vista Energy, S.A.B. de C.V. (VIST) reports that its main subsidiary, Vista Energy Argentina S.A.U., has priced an additional U.S.$400,000,000 of 7.875% senior notes due 2038 at 99.473% of face value, implying a yield to average life of 7.950%. The notes are expected to close on October 9, 2026 and will form a single series with Vista Energy Argentina’s existing U.S.$500,000,000 7.875% senior notes due 2038, bringing total 2038 notes outstanding to U.S.$900,000,000.
The 2038 notes are governed by New York law, were offered to qualified institutional buyers under Rule 144A and to investors outside the United States under Regulation S, and are issued under Vista Energy Argentina’s U.S.$4,000,000,000 global simple non-convertible debt program. Principal will be repaid in three annual installments: 33% on April 8, 2036, 33% on April 8, 2037 and 34% on April 8, 2038.
Vista Energy, S.A.B. de C.V. (VIST) reports an independent estimation of 66.8 MMboe of proved (P1) reserves tied to its working interests in the Bandurria Sur and Bajo del Toro blocks acquired on May 7, 2026. As of December 31, 2025, these blocks contribute 40.7 MMboe of net proved developed and 26.1 MMboe of net proved undeveloped reserves, calculated at Vista’s acquired working interests and excluding noncontrolling interests in Bandurria Sur Participaciones S.A.
Pro forma for the transaction as of December 31, 2025, Vista’s total net proved reserves are 654.9 MMboe, compared with 588.1 MMboe excluding these blocks. Bandurria Sur (25.1% working interest) covers 56,464 acres, had 56 wells on production, 99 remaining new well locations and produced 19.1 Mboe/d in June 2026, under a concession expiring July 17, 2050. Bajo del Toro (35.0% working interest) spans 38,744 acres, with 8 wells on production, 138 remaining locations and 1.8 Mboe/d production in June 2026; part of it is an exploitation concession expiring November 24, 2055 and part an exploration permit expiring December 31, 2026 that can be converted to a 35-year exploitation concession under current legislation.
Vista Energy, S.A.B. de C.V. (VIST) received an amended Schedule 13D from Miguel Matias Galuccio reporting beneficial ownership of 6,739,892 series A shares, representing approximately 6.1% of the outstanding series A shares. This position comprises 3,309,936 series A shares, 2,935,735 series A shares represented by American depositary shares, and 494,221 series A shares deliverable upon exercise of vested stock options. The percentage is based on 111,111,623 series A shares outstanding, including the option shares. Galuccio is reported to have sole voting and dispositive power over these shares. On July 13, 2026, 281,186 vested stock options beneficially owned by him were canceled by the company at a price of $66.3 per series A share, and no other acquisitions or dispositions of series A shares or ADSs were reported in the prior 60 days.
Vista Energy, S.A.B. de C.V. reported that on August 14, 2026 it repurchased 50,000 Series A shares at a price of Mexican Pesos $1,169.79 per share. The repurchases were carried out under an approval granted at the general ordinary shareholders’ meeting held on April 28, 2026 and executed through Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México.
The total amount paid for these repurchases, excluding fees and value-added tax, was approximately Mexican Pesos $58,489,500. After these transactions, Vista had 110,617,402 Series A shares outstanding and 1,684,351 Series A shares held in Treasury derived from prior repurchase activity.
Vista Energy, S.A.B. de C.V. reported the repurchase of 50,000 Series A shares on August 13, 2026, at a price of Mexican Pesos $1,133.76 per share, for a total of approximately Mexican Pesos $56,688,000, excluding fees and value-added tax. These repurchases were carried out under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026. After the transaction, Vista had 110,667,402 Series A shares outstanding and 1,634,351 Series A shares held in treasury from repurchase programs. Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México, executed the repurchases.