Price Move History
- Daily moves over 5%
- 6 252 sessions, September 11, 2025 to September 11, 2026
- Largest daily move
- -7.7% close of May 6, 2026
- 1-year change
- -9.8% closing prices, September 11, 2025 to September 11, 2026
- 5-year change
- +66.7% closing prices, September 10, 2021 to September 11, 2026
Company Description
TIM S.A. American Depositary Shares (NYSE: TIMB) represent interests in TIM S.A., a publicly held company listed in Brazil under the ticker TIMS3 and in the United States as a foreign issuer. According to its industry classification, TIM S.A. is associated with the telecommunications resellers segment within the information sector. The company is based in Rio de Janeiro, Brazil, and is subject to Brazilian corporate law and securities regulation, as well as U.S. reporting requirements under the Securities Exchange Act of 1934.
The Polygon description notes that TIM is majority-owned by Telecom Italia and operates in the Brazilian wireless and broadband market. It describes TIM as a large wireless carrier in Brazil with tens of millions of subscribers and a significant share of the national market. In addition to mobile services, TIM is described as holding a stake in I-Systems, an infrastructure partnership that expands network coverage across Brazil. Through this partnership, TIM can reach millions of locations with broadband access and leases capacity on this network to serve retail broadband customers under the UltraFibra brand. The company is also described as reselling fiber network access from other providers, including the former infrastructure business of Oi, V.tal.
TIM S.A. files annual reports on Form 20-F with the U.S. Securities and Exchange Commission (SEC), as indicated in notices to the market regarding the filing of its annual reports for calendar years such as 2020 and 2021. These filings provide detailed information on the company’s operations, financial statements, risk factors, and governance structure for investors who follow TIMB stock on the New York Stock Exchange. The company also regularly uses Form 6-K to disclose material information, corporate actions, and governance decisions to the market.
Corporate structure and governance
TIM S.A. is organized as a publicly held company under Brazilian law, with its corporate governance overseen by a Board of Directors, a Fiscal Council, and various specialized committees. Minutes of Board of Directors’ meetings and Fiscal Council meetings, disclosed via Form 6-K, show that the board addresses topics such as distribution of profits to shareholders, approval of strategic plans, cybersecurity policies, and the budget for statutory committees. The Fiscal Council issues formal opinions on proposals for profit distribution and reviews methodologies used for the company’s annual impairment evaluation.
The company maintains committees focused on areas such as Environmental, Social & Governance (ESG), control and risks, and statutory audit. These bodies support the Board of Directors in monitoring risk management, internal controls, and broader strategic and sustainability topics. Decisions on dividends, interest on equity, share repurchase programs, and cancellation of treasury shares are documented in board minutes and material facts, reflecting a structured approach to capital allocation and shareholder remuneration.
Share capital, treasury shares, and shareholder remuneration
Several Form 6-K filings describe TIM S.A.’s share capital and treasury share activity. The company has implemented share buyback programs and, at times, has held millions of shares in treasury. The Board of Directors has approved the cancellation of tens of millions of treasury shares without reducing the company’s capital stock, resulting in adjustments to the total number of outstanding common shares. These changes are reflected in amendments to the company’s bylaws, which are to be approved at shareholders’ meetings.
TIM S.A. frequently discloses decisions on the distribution of profits in the form of dividends and interest on equity (IOE), a form of shareholder remuneration recognized under Brazilian law. Material facts and notices to shareholders describe the total amounts approved for distribution, the gross value per share, and the record dates used to identify shareholders entitled to receive these proceeds. The company also notes that shares acquired after specified dates trade ex-rights to dividends or interest on equity. In some cases, subsequent notices correct the gross amount per share due to changes in the number of treasury shares, while keeping the total distribution amount unchanged.
Strategic planning and B2B focus
Form 6-K disclosures indicate that TIM S.A. has a multi-year strategic plan, including a Strategic Plan for the 2025–2027 period. Within this context, the company has highlighted a focus on strengthening its business-to-business (B2B) strategy. A notice to the market details the approval of a Share Purchase and Sale Agreement for the acquisition of 100% of the share capital of V8 Consulting S.A. (V8.Tech), a technology company founded in 2014. V8.Tech is described as specializing in the integration of digital solutions and managed services, with expertise in digital transformation, cloud computing (multicloud, private and hybrid), and artificial intelligence.
According to the notice, the acquisition of V8.Tech is intended to reinforce TIM’s B2B strategy by expanding its ability to offer digital transformation and cloud-related services. The integration of these capabilities is presented as a way to support more complex projects for corporate clients, using specialized teams with sector-specific knowledge. The completion of this transaction is subject to approval by the Brazilian antitrust authority (CADE) and other customary conditions for transactions of this nature.
Regulatory reporting and foreign issuer status
TIM S.A. is identified in SEC filings as a foreign private issuer that files annual reports on Form 20-F and current reports on Form 6-K. These documents confirm that the company complies with reporting obligations under Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934. The filings specify that the company does not use Form 40-F and that it submits its reports electronically rather than in paper form, as allowed by Regulation S-T.
The company’s Form 6-K reports often include consolidated forms related to director and related party transactions, as required by Brazilian securities regulation (CVM Resolution 44/21). These forms summarize holdings and transactions in the company’s common registered shares by members of the Board of Directors, executive management, the Fiscal Council, technical or advisory bodies, the controlling shareholder, and persons connected to management. This disclosure provides transparency around insider holdings and changes in ownership positions.
TIMB stock and investor considerations
Investors in TIMB stock gain exposure to TIM S.A. through American Depositary Shares listed on the New York Stock Exchange. The company’s combination of Brazilian wireless and broadband operations, as described in the Polygon profile, and its evolving B2B and digital services strategy, as outlined in recent notices, form the core of its business profile. Regular distributions of dividends and interest on equity, along with share repurchase and cancellation decisions, are key elements of its capital management approach as disclosed in board minutes and material facts.
Because TIM S.A. operates under both Brazilian and U.S. regulatory frameworks, its SEC filings and Brazilian market disclosures together provide a detailed view of governance, shareholder remuneration policies, and strategic initiatives. Investors researching TIMB can review Form 20-F for a comprehensive annual overview and use Form 6-K filings to track more frequent updates on corporate actions, strategic transactions such as the V8.Tech acquisition, and decisions of the Board of Directors and Fiscal Council.
Stock Performance
TIM S.A. American (TIMB) closed at $18.89 on September 11, 2026. Over the past 12 months, the price has lost 9.8%.
TIMB Metrics & Rankings
Price returns through September 11, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
TIM S.A. American has 3 recent news articles. Of the recent coverage, 3 articles coincided with positive price movement and 0 with negative movement. View all TIMB news →
SEC Filings
TIM S.A. American has filed 5 recent SEC filings, including 5 Form 6-K. The most recent filing was submitted on September 10, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all TIMB SEC filings →
Insider Radar
Insider selling at TIM S.A. American over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Upcoming Events
Short Interest History
Short interest in TIM S.A. American (TIMB) currently stands at 3.2 million shares, down 2.4% from the previous reporting period, representing 0.7% of the float. Since September 2025, short interest has increased by 58.4%. This relatively low short interest suggests limited bearish sentiment. The 5.8 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for TIM S.A. American (TIMB) currently stands at 5.8 days. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The days to cover has increased 95.3% over the past year, indicating improving liquidity conditions. The ratio has shown significant volatility over the period, ranging from 2.5 to 11.1 days.
TIMB Company Profile & Sector Positioning
TIM S.A. American (TIMB) operates in the Telecom Services industry within the broader Communication Services sector and is listed on the NYSE.
Investors comparing TIMB often look at related companies in the same sector, including Telefonica Brasil, S.A. American (VIV), Rogers Communications, Inc. (RCI), PT Telekomunikasi Indonesia (TLK), EchoStar Corporation (SATS), and KT Corporation (KT). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate TIMB's relative position within its industry.