IBM - CIK 0000051143
INTERNATIONAL BUSINESS MACHINES CORP has filed 1,007 documents with the SEC between 2019 and 2026. The most frequent type is insider trade (699 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-01 | 2026-04-28 |
| SCHEDULE 13G | - | 2026-04-30 | - |
| S-8 POS | - | 2026-04-30 | - |
| S-8 POS | - | 2026-04-30 | - |
| S-8 POS | - | 2026-04-30 | - |
| S-8 POS | - | 2026-04-30 | - |
| Employee stock plan | S-8 | 2026-04-30 | - |
| Quarterly report | 10-Q | 2026-04-23 | 2026-03-31 |
| Major company event | 8-K | 2026-04-22 | 2026-04-22 |
| Proxy materials | DEFA14A | 2026-04-08 | - |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| Insider trade | 4 | 2026-04-01 | 2026-03-31 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| Employee stock plan | S-8 | 2026-03-17 | - |
| Annual report to shareholders | ARS | 2026-03-10 | 2026-03-09 |
| Proxy materials | DEFA14A | 2026-03-10 | - |
| Proxy statement | DEF 14A | 2026-03-10 | 2026-03-09 |
| New insider ownership | 3 | 2026-03-05 | 2026-03-01 |
| Major company event | 8-K | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-27 | 2026-02-26 |
| Insider trade | 4 | 2026-02-25 | 2026-02-25 |
| Insider trade | 4 | 2026-02-25 | 2026-02-25 |
| Annual report | 10-K | 2026-02-24 | 2025-12-31 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-23 | 2026-02-21 |
| Insider trade | 4 | 2026-02-19 | 2026-02-18 |
| Insider trade | 4 | 2026-02-19 | 2026-02-18 |
| Insider trade | 4 | 2026-02-19 | 2026-02-18 |
| Insider trade | 4 | 2026-02-19 | 2026-02-18 |