Companies: 10,795·Total market cap: $144.5T
Oi S.A.

Oi S.A.

OIBZQOTCCommunication Services● Active
$0.00
+$0.00(+0.00%)
Market Cap$5154
P/E Ratio—
52W High$0.36
52W Low$0.0004
SEC Filings
Foreign Private Issuer · Files 20-F / 6-K

Oi S.A. (OIBZQ) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001160846 · OIBZQ · OTC · as of Jun 9, 2026

Filing snapshot

1,000+
Total Filings
F-6 POS
Latest Form
2022-02-15
Most Recent
2009
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001160846 · Updated hourly · Not investment advice

Latest Annual Report

20-F · Annual Report (Foreign Issuer)FY
Filed Date
2021-05-12
Fiscal Year End
May 12, 2021
Accession No.
0001292814-21-002227
Primary Document
oiform20f_2020.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0001160846 · Accession 0001292814-21-002227

Latest Key Filings

6-KQuarterly Report
6-K
2021-11-16
View 6-K on SEC
8-KCurrent Report

No recent filings

Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
F-6 POSF-6 POS
F-6 POS
2022-02-15
View
15F-12B15F-12B
15F-12B
2021-11-16
View
6-KCurrent Report (Foreign Issuer)
6-K
2021-11-16
View
6-KCurrent Report (Foreign Issuer)
6-K
2021-11-15
View
6-KCurrent Report (Foreign Issuer)
OI20211111_6K
2021-11-12
View
6-KCurrent Report (Foreign Issuer)
OIPR3Q21_6K
2021-11-12
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-11-09
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-11-05
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-11-01
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-10-29
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-10-28
View
6-KCurrent Report (Foreign Issuer)
OI20211021_6K
2021-10-22
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-10-18
View
2525
FORM 25
2021-10-18
View
6-KCurrent Report (Foreign Issuer)
FORM 6-K
2021-10-12
View
Showing 1–15 of 1000 filingsForm 4 / 144 hidden

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001160846  |  Exchange: OTC · Communication Services

Oi S.A. (OTC: OIBZQ) has submitted 1,000+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2009. As a Communication Services sector company with CIK 0001160846, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Oi S.A.'s most comprehensive regulatory disclosure. The most recent Oi S.A. 10-K was filed on 2021-05-12 for fiscal year ending 2021. Historical OIBZQ 10-K annual reports are available from 2014 through 2021.

Investors researching Oi S.A. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09
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→ OIBZQ Financials→ OIBZQ Earnings→ OIBZQ Insider Trades

Frequently Asked Questions

OIBZQ SEC Filings · 8 questions

Oi S.A. (OIBZQ) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,000+ filings and access original documents at no cost. Oi S.A.'s CIK is 0001160846.

OIBZQ SEC filingsOi S.A. SEC documentsfind OIBZQ 10-K