# Teradata Corp: filings

TDC · NYSE · CIK 816761 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/tdc.md) · [Financials](/companies/tdc/financials.md) · [Filings](/companies/tdc/filings.md) · [Insiders](/companies/tdc/insiders.md)

## Reports and events: 245 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 933, 8-K 142, SC 13G/A 73, 10-Q 53, 144 50, 3 38, DEFA14A 24, 10-K 18, 4/A 18, DEF 14A 18, SC 13G 18, UPLOAD 15, 11-K 14, S-8 13, SD 13, 8-K/A 9, ARS 9, CORRESP 8, SCHEDULE 13G/A 5, 3/A 4, SCHEDULE 13D/A 3, SCHEDULE 13G 3, 5 2, DEFR14A 2, PRE 14A 2, S-8 POS 2, 10-K/A 1, 15-15D 1, SCHEDULE 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-17 | 16:07 ET | [8-K](/filings/0000816761-26-000032.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000816761-26-000032 |
| 2026-08-05 | 13:07 ET | [10-Q](/filings/0001628280-26-053103.md) | Quarterly report, period 2026-06-30 | 0001628280-26-053103 |
| 2026-08-04 | 16:07 ET | [8-K](/filings/0001628280-26-052549.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-052549 |
| 2026-08-03 | 09:10 ET | [8-K](/filings/0000816761-26-000028.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000816761-26-000028 |
| 2026-07-08 | 18:41 ET | [SCHEDULE 13D/A](/filings/0000921895-26-001779.md) | Ownership report, active investor, amended | 0000921895-26-001779 |
| 2026-06-24 | 17:27 ET | [8-K](/filings/0001140361-26-026267.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001140361-26-026267 |
| 2026-06-17 | 19:54 ET | [SCHEDULE 13D/A](/filings/0000921895-26-001622.md) | Ownership report, active investor, amended | 0000921895-26-001622 |
| 2026-05-19 | 16:29 ET | [8-K](/filings/0000816761-26-000020.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000816761-26-000020 |
| 2026-05-06 | 12:38 ET | [10-Q](/filings/0001628280-26-031053.md) | Quarterly report, period 2026-03-31 | 0001628280-26-031053 |
| 2026-05-05 | 16:07 ET | [8-K](/filings/0001628280-26-030514.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-030514 |
| 2026-03-26 | 16:09 ET | [DEF 14A](/filings/0000816761-26-000011.md) | Proxy statement, period 2025-12-31 | 0000816761-26-000011 |
| 2026-03-02 | 06:25 ET | [8-K](/filings/0000816761-26-000004.md) | 5.02 Departure or appointment of officers or directors | 0000816761-26-000004 |
| 2026-02-27 | 13:13 ET | [10-K](/filings/0001628280-26-012671.md) | Annual report, period 2025-12-31 | 0001628280-26-012671 |
| 2026-02-23 | 16:05 ET | [8-K](/filings/0001628280-26-010578.md) | 8.01 Other events | 0001628280-26-010578 |
| 2026-02-12 | 21:04 ET | [SCHEDULE 13D/A](/filings/0000921895-26-000319.md) | Ownership report, active investor, amended | 0000921895-26-000319 |
| 2026-02-11 | 16:13 ET | [8-K](/filings/0001628280-26-007274.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001628280-26-007274 |
| 2026-02-10 | 16:09 ET | [8-K](/filings/0001628280-26-006830.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-006830 |
| 2025-11-18 | 09:04 ET | [8-K](/filings/0001628280-25-052782.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-25-052782 |
| 2025-11-05 | 10:26 ET | [10-Q](/filings/0001628280-25-049313.md) | Quarterly report, period 2025-09-30 | 0001628280-25-049313 |
| 2025-11-04 | 16:11 ET | [8-K](/filings/0001628280-25-048834.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-048834 |
| 2025-08-06 | 12:16 ET | [10-Q](/filings/0000816761-25-000182.md) | Quarterly report, period 2025-06-30 | 0000816761-25-000182 |
| 2025-08-05 | 16:07 ET | [8-K](/filings/0000816761-25-000179.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-25-000179 |
| 2025-05-20 | 16:38 ET | [8-K](/filings/0000816761-25-000156.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000816761-25-000156 |
| 2025-05-15 | 16:06 ET | [8-K](/filings/0000816761-25-000119.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000816761-25-000119 |
| 2025-05-07 | 12:40 ET | [10-Q](/filings/0000816761-25-000108.md) | Quarterly report, period 2025-03-31 | 0000816761-25-000108 |
| 2025-05-06 | 16:07 ET | [8-K](/filings/0000816761-25-000105.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-25-000105 |
| 2025-05-05 | 16:42 ET | [8-K](/filings/0000816761-25-000101.md) | 5.02 Departure or appointment of officers or directors | 0000816761-25-000101 |
| 2025-03-27 | 17:01 ET | [DEF 14A](/filings/0000816761-25-000093.md) | Proxy statement, period 2025-05-15 | 0000816761-25-000093 |
| 2025-03-21 | 09:09 ET | [SCHEDULE 13D](/filings/0001415889-25-008727.md) | Ownership report, active investor | 0001415889-25-008727 |
| 2025-02-26 | 06:49 ET | [8-K/A](/filings/0000816761-25-000034.md) | 5.02 Departure or appointment of officers or directors | 0000816761-25-000034 |
| 2025-02-26 | 06:46 ET | [8-K](/filings/0000816761-25-000032.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000816761-25-000032 |
| 2025-02-21 | 15:53 ET | [10-K](/filings/0000816761-25-000027.md) | Annual report, period 2024-12-31 | 0000816761-25-000027 |
| 2025-02-11 | 16:09 ET | [8-K](/filings/0000816761-25-000006.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000816761-25-000006 |
| 2024-11-05 | 09:00 ET | [10-Q](/filings/0000816761-24-000162.md) | Quarterly report, period 2024-09-30 | 0000816761-24-000162 |
| 2024-11-04 | 16:08 ET | [8-K](/filings/0000816761-24-000159.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors | 0000816761-24-000159 |
| 2024-08-06 | 08:33 ET | [10-Q](/filings/0000816761-24-000146.md) | Quarterly report, period 2024-06-30 | 0000816761-24-000146 |
| 2024-08-05 | 16:10 ET | [8-K](/filings/0000816761-24-000143.md) | 2.02 Results of operations; 2.05 Exit or disposal costs; 9.01 Financial statements and exhibits | 0000816761-24-000143 |
| 2024-05-17 | 12:23 ET | [8-K](/filings/0000816761-24-000129.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000816761-24-000129 |
| 2024-05-07 | 10:06 ET | [10-Q](/filings/0000816761-24-000098.md) | Quarterly report, period 2024-03-31 | 0000816761-24-000098 |
| 2024-05-06 | 16:08 ET | [8-K](/filings/0000816761-24-000095.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-24-000095 |
| 2024-04-05 | 06:36 ET | [8-K](/filings/0000816761-24-000089.md) | 5.02 Departure or appointment of officers or directors | 0000816761-24-000089 |
| 2024-03-26 | 16:09 ET | [DEF 14A](/filings/0000816761-24-000082.md) | Proxy statement, period 2024-05-14 | 0000816761-24-000082 |
| 2024-02-23 | 11:47 ET | [10-K](/filings/0000816761-24-000023.md) | Annual report, period 2023-12-31 | 0000816761-24-000023 |
| 2024-02-12 | 16:11 ET | [8-K](/filings/0000816761-24-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-24-000006 |
| 2023-12-07 | 17:15 ET | [8-K](/filings/0000816761-23-000037.md) | 7.01 Regulation FD disclosure | 0000816761-23-000037 |
| 2023-11-07 | 14:51 ET | [10-Q](/filings/0000816761-23-000025.md) | Quarterly report, period 2023-09-30 | 0000816761-23-000025 |
| 2023-11-06 | 16:25 ET | [8-K](/filings/0000816761-23-000022.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-23-000022 |
| 2023-08-08 | 14:11 ET | [10-Q](/filings/0000816761-23-000019.md) | Quarterly report, period 2023-06-30 | 0000816761-23-000019 |
| 2023-08-07 | 16:14 ET | [8-K](/filings/0000816761-23-000017.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000816761-23-000017 |
| 2023-05-12 | 12:13 ET | [8-K](/filings/0001193125-23-143137.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-23-143137 |

Page 1 of 5. [Older](/companies/tdc/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 14:57 ET. No prices; not investment advice.