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International Business Machines Corporation (IBM) SEC Filing (8-K) 2005

Browse all International Business Machines Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

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Last updated: March 17, 2026, 5:32 AM ET

SEC Filings

Date

2005

8-K

Material company events (earnings, M&A, or leadership changes)

Mar 7, 2005 04:26 PM

2026

424B3

Updated prospectus reflecting new or changed information

Aug 10, 2026 08:43 AM

FWP

Free writing prospectus related to a securities offering

Aug 10, 2026 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jul 29, 2026 04:30 PM

10-Q

Quarterly financial results and management updates

Jul 22, 2026 06:14 PM

8-K

Material company events (earnings, M&A, or leadership changes)

Jul 22, 2026 04:10 PM

8-K

Material company events (earnings, M&A, or leadership changes)

Jul 14, 2026 07:01 AM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:03 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:04 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:04 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:05 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:06 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:06 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:07 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:11 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:12 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:13 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:13 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 04:19 PM

11-K

Annual performance report of employee stock plans

Jun 26, 2026 05:14 PM

8-K

Material company events (earnings, M&A, or leadership changes)

Jun 23, 2026 04:18 PM

4

Insider ownership (buying, selling) activity

Jun 4, 2026 04:00 PM

SD

Specialized disclosure report (e.g., conflict minerals)

Jun 1, 2026 05:06 PM

8-K

Material company events (earnings, M&A, or leadership changes)

May 28, 2026 06:49 AM

8-K

Material company events (earnings, M&A, or leadership changes)

May 1, 2026 04:18 PM

SC 13G

Passive large shareholder ownership disclosure

Apr 30, 2026 10:33 AM

S-8

Registration of shares for employee stock plans

Apr 30, 2026 04:07 PM

S-8 POS

Post-effective update to employee stock plan registration

Apr 30, 2026 04:10 PM

S-8 POS

Post-effective update to employee stock plan registration

Apr 30, 2026 04:11 PM

S-8 POS

Post-effective update to employee stock plan registration

Apr 30, 2026 04:13 PM

S-8 POS

Post-effective update to employee stock plan registration

Apr 30, 2026 04:14 PM

10-Q

Quarterly financial results and management updates

Apr 23, 2026 06:22 AM

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 22, 2026 04:10 PM

DEFA14A

Additional or supplemental proxy disclosures

Apr 8, 2026 04:32 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:00 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:01 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:02 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:02 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:03 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:04 PM

4

Insider ownership (buying, selling) activity

Apr 1, 2026 05:04 PM

International Business Machines Corporation (Form 8-K) 2005

Current Events / Material company events (earnings, M&A, or leadership changes)

Mar 7, 2005 04:26 PM

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