Telephone & Data Systems Inc /De/ (TDS) SEC filings and CIK.
TDS’s SEC Central Index Key (CIK) is 0001051512, or 1051512 without leading zeros. The SEC’s ticker file lists it as TELEPHONE & DATA SYSTEMS INC /DE/. The same CIK also trades as TDS-PU, TDS-PV.
- Ticker
- TDS
- CIK
- 0001051512
- Other tickers
- TDS-PU, TDS-PV
- Insider transactions, Q3 2026
- 13
Insider trading
In Q3 2026, insiders at Telephone & Data Systems Inc /De/ reported 13 non-derivative transactions on 4 Forms 3, 4 and 5, including 0 open-market purchases and 1 sales. See every TDS insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-06 | 10-Q | 0001051512-26-000078 |
| 2026-11-06 | 8-K | 0001051512-26-000077 |
Get TDS SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1051512&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1051512" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1051512?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Telephone & Data Systems Inc /De/ on SEC.gov
Questions
What is TDS’s CIK number?
TDS’s SEC Central Index Key (CIK) is 0001051512, or 1051512 without leading zeros. The SEC’s ticker file lists it as TELEPHONE & DATA SYSTEMS INC /DE/. The same CIK also trades as TDS-PU, TDS-PV.
How do I find Telephone & Data Systems Inc /De/’s 10-K?
Request /api/v1/filings?cik=1051512&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/tds.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.