Itaú Unibanco Holding S.A. (ITUB) Q2 FY2026 6-K Filings and Company Events

Filings that contain financial statements

• 6-K filed 2026-08-07, accession 0001132597-26-000224 (Exhibit 99.1): condensed consolidated interim financial statements under IFRS for the six months ended June 30, 2026, compared with the first half of 2025. The statements of income and comprehensive income present the three and six months ended June 30, 2026 and 2025; the statements of cash flows and changes in stockholders' equity present the six-month periods only.
• 6-K filed 2026-08-07, accession 0001132597-26-000223 (Exhibit 99.1): Management Discussion and Analysis for the second quarter of 2026, with a results table for 2Q26, 1Q26, 2Q25, 1H26 and 1H25, balance sheet and credit portfolio data and capital ratios. Most of the results are on the company's managerial (recurring) basis rather than the IFRS accounting basis; the document also includes a comparison between Brazilian GAAP and IFRS.
• 6-K filed 2026-08-05, accession 0001132597-26-000220 (Exhibit 99.1): risk and capital management report (Pillar 3 disclosures).
• 6-K filed 2026-08-06, accession 0001132597-26-000222 and 6-K filed 2026-10-05, accession 0001132597-26-000243: the company's Reference Form with base date December 31, 2025 (the second filing is an updated version). These are regulatory disclosure documents, not interim results.

Second-quarter 2026 results (6-K, filed 2026-08-07, accession 0001132597-26-000223)

• The second-quarter earnings press release was furnished in a 6-K filed 2026-08-05 (accession 0001132597-26-000215).
• Recurring managerial result for the second quarter of 2026 was $2.46 billion, up 21.1% in US dollar terms from $2.03 billion a year earlier (up 7.8% in reais). For the first half it was $4.80 billion, up 22.0% in US dollar terms from $3.93 billion (up 9.1% in reais). This is the company's managerial measure, not IFRS net income.
• Annualized recurring managerial return on average equity was 24.3% in the second quarter, against 24.8% in the first quarter and 23.3% a year earlier. The efficiency ratio was 37.4%, and the 90-day nonperforming loan ratio was 1.9%, unchanged from a year earlier.
• At June 30, 2026 the prudential conglomerate solvency ratio was 15.4%, Common Equity Tier 1 was 12.3% and the liquidity coverage ratio was 202.0%.
• The company notes that, from the first quarter of 2026, its income statement reflects managerial reclassifications announced at the end of the fourth quarter of 2025 and consolidates the results of Avenue, following the acquisition of a controlling interest in that company. The filing treats the Avenue control acquisition as completed.

Guidance

• 2026-08-04 (6-K filed 2026-08-05, accession 0001132597-26-000219): the company released a revised 2026 guidance in a Material Fact. The only line changed was growth in commissions and fees plus insurance results, now guided at 2.0% to 5.0%; all other lines were maintained (Management Discussion and Analysis, accession 0001132597-26-000223, 2026 forecast page; Reference Form, accession 0001132597-26-000222, reasons for deviations). The Reference Form (accession 0001132597-26-000222) attributes the revision of the commissions, fees and insurance outlook to greater capital market volatility than projected at the start of the year. The company also stated that since August 2026 it has used a cost of capital of around 14.75% a year to manage its businesses. The guidance excludes any future acquisitions and partnerships.

Governance

• 2026-08-04 (6-K filed 2026-08-05, accession 0001132597-26-000218): the Fiscal Council named Eduardo Hiroyuki Miyaki as its chairman and issued an unqualified opinion on the January to June 2026 financial statements, citing the unqualified PricewaterhouseCoopers report.
• 2026-10-02 (6-K, accession 0001132597-26-000238): the company furnished its bylaws, showing subscribed and paid-in capital of 11,026,869,192 shares, of which 5,617,742,977 are common shares.

Capital and funding

• 2026-07-13 (6-K filed 2026-07-14, accession 0001132597-26-000198): the company will repurchase on July 15, 2026 all of its Tier 1 perpetual subordinated financial bills issued between January 8 and January 16, 2019, totaling R$1.4 billion ($273.43 million). The estimated effect is about 10 basis points on the Tier 1 capital ratio, calculated on the March 31, 2026 capital base.
• 2026-08-04 (6-K filed 2026-08-05, accessions 0001132597-26-000214 and 0001132597-26-000216): the Board of Directors approved payment on August 28, 2026 of the interest on capital announced on February 26, 2026 (R$3.85 billion, $753.41 million) and May 28, 2026 (R$3.99 billion, $780.81 million). The combined gross amount is R$0.71076 per share ($0.14 per ADS, one ADS representing one preferred share), subject to 17.5% withholding income tax except for corporate shareholders able to prove they are immune or exempt. Common and preferred shares are paid equally.
• 2026-09-10 (6-K filed 2026-09-11, accession 0001132597-26-000230): the company issued R$5.0 billion ($980.72 million) of Tier 2 subordinated financial bills to professional investors, maturing in 2036 and 2037, with a repurchase option from 2031 subject to Central Bank of Brazil authorization. The estimated effect is 30 basis points on the Tier 2 capital ratio, calculated on the June 30, 2026 capital base.
• 2026-09-17 (6-K filed 2026-09-18, accession 0001132597-26-000234): the company will exercise its option to repurchase all of the Tier 2 subordinated financial bills it issued in September 2021, maturing in September and October 2031, totaling R$11 billion ($2.13 billion). The repurchases are on September 21 and October 21, 2026, with an estimated effect of about 70 basis points on the Tier 2 capital ratio, calculated on the June 30, 2026 capital base.

Business transactions

• 2026-07-01 (6-K filed 2026-07-02, accession 0001132597-26-000189): the company won the Minas Gerais state government's new bidding process for payment services to about 670 thousand state employees (active, retired and pensioners) and corporate suppliers, and signed the agreement that day. The five-year term starts December 22, 2026, and Itaú Unibanco S.A. will pay R$2.188 billion ($420.70 million), recorded as an intangible asset. The company already provides these services under a contract that runs to the end of 2026.
• 2026-07-31 (6-K filed 2026-08-03, accession 0001132597-26-000203): the transaction closed. Banco Itaú Colombia completed the transfer of its retail banking operations for individuals to Banco de Bogotá S.A. at book value, comprising about R$9.7 billion ($1.88 billion) of net loans and R$7.2 billion ($1.39 billion) of deposits, a net value of about R$2.5 billion ($483.89 million), all at June 30, 2026 exchange rates. The company states no material effect on regulatory capital, and Itaú Colombia will now focus on corporate banking.

Expansion in the United States

• 2026-08-17 (6-K filed 2026-08-18, accession 0001132597-26-000226): the company received conditional preliminary approval from the US Office of the Comptroller of the Currency to establish a national bank, Itaú Bank, National Association. This is not final authorization: launch still requires approvals from the Federal Reserve Board and the FDIC, among other requirements.

Other filings

• 2026-09-01 (6-K filed 2026-09-02, accession 0001132597-26-000228): related-party transaction notice. Invoiced services from the Itaú Institute of Science, Technology and Innovation, a private association founded by the company, exceeded R$50 million ($9.65 million) on August 31, 2026 under a master agreement dated July 19, 2023. The Related Parties Committee, composed of independent directors, approved the engagement.
• 2026-09-22 (6-K filed 2026-09-23, accession 0001132597-26-000236): announcement that CEO Milton Maluhy Filho would present the company's strategy at the Panorama Itaúsa 2026 event on October 6, 2026.
• Policy documents furnished without financial news: the Related Party Transactions Policy (accession 0001132597-26-000232, filed 2026-09-14) and the Risk Management Policy set (accession 0001132597-26-000240, filed 2026-10-05), covering capital management, liquidity, credit, market and interest rate risk in the banking book, compliance and operational risk, and social, environmental and climate risk.

No new buyback program or merger signing was announced in the period covered. The buyback program the Board of Directors approved on February 4, 2026 (up to 200 million preferred shares, per the 20-F, accession 0001132597-26-000132) remains in effect, and in the first half of 2026 the company bought 36,555,258 preferred shares into treasury for R$1.76 billion ($341.83 million, at the first-half 2026 average rate) (Note 19, accession 0001132597-26-000224). The interest on capital payment and the completed Colombia retail transfer are covered above.