Teradyne (TER) SEC Filing (8-K) 2011

Browse all Teradyne 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

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

SEC Filings

Date

8-K

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

Apr 28, 2011 06:16 AM

8-K

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

Aug 10, 2026 04:08 PM

4

Insider ownership (buying, selling) activity

Aug 4, 2026 11:10 AM

10-Q

Quarterly financial results and management updates

Jul 31, 2026 01:00 PM

SC 13G/A

Updated passive ownership disclosure

Jul 30, 2026 11:18 AM

8-K

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

Jul 29, 2026 06:00 AM

4

Insider ownership (buying, selling) activity

Jul 16, 2026 01:17 PM

4

Insider ownership (buying, selling) activity

Jul 16, 2026 01:22 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 01:11 PM

4

Insider ownership (buying, selling) activity

Jun 29, 2026 05:04 PM

4

Insider ownership (buying, selling) activity

Jun 29, 2026 05:13 PM

4

Insider ownership (buying, selling) activity

Jun 29, 2026 05:18 PM

4

Insider ownership (buying, selling) activity

Jun 16, 2026 04:59 PM

4

Insider ownership (buying, selling) activity

Jun 16, 2026 05:10 PM

4

Insider ownership (buying, selling) activity

Jun 16, 2026 05:15 PM

4

Insider ownership (buying, selling) activity

Jun 16, 2026 05:57 PM

4

Insider ownership (buying, selling) activity

Jun 16, 2026 06:01 PM

SC 13G/A

Updated passive ownership disclosure

Jun 4, 2026 12:12 PM

4

Insider ownership (buying, selling) activity

May 26, 2026 04:37 PM

4

Insider ownership (buying, selling) activity

May 26, 2026 05:23 PM

4

Insider ownership (buying, selling) activity

May 19, 2026 02:27 PM

4

Insider ownership (buying, selling) activity

May 19, 2026 02:27 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:39 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:34 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:23 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:18 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:15 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:12 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:09 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:05 PM

4

Insider ownership (buying, selling) activity

May 11, 2026 04:42 PM

8-K

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

May 11, 2026 08:55 AM

SD

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

May 5, 2026 10:31 AM

10-Q

Quarterly financial results and management updates

May 1, 2026 02:30 PM

8-K

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

Apr 29, 2026 06:00 AM

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026 03:45 PM

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026 10:21 AM

4

Insider ownership (buying, selling) activity

Apr 9, 2026 12:08 PM

4

Insider ownership (buying, selling) activity

Apr 7, 2026 09:59 AM

4

Insider ownership (buying, selling) activity

Apr 3, 2026 02:52 PM

4

Insider ownership (buying, selling) activity

Apr 3, 2026 03:06 PM

Teradyne (Form 8-K) 2011

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

Apr 28, 2011 06:16 AM

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