Company Analysis

Teradyne, Inc. (TER)

Nasdaq: TER · Instruments For Meas & Testing of Electricity & Elec Signals · North Reading, MA · filing with the SEC since 1994
Grade6.4
◀ Past 5.9● Present 6.7▶ Future 6.4

Filings

224 filings since 2017 beside 681 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 31 days after the quarter ended. The proxy statement was last filed Mar 27, 2026.

Filings a yearinsider forms included
6285839298111137119
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 10 times in the last 36 months, the newest Oct 28, 2025.
Insider forms 681

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 30, 2026 10-Q Quarterly report Sep 27, 2026
Oct 28, 2026 8-K items 2.02, 9.01 Results released · Current report Oct 27, 2026
Aug 10, 2026 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report Aug 7, 2026
Jul 31, 2026 10-Q Quarterly report Jun 28, 2026
Jul 30, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report Jul 28, 2026
Jun 4, 2026 SCHEDULE 13G/A Large holder update, amended
May 11, 2026 8-K item 5.07 Shareholder vote · Current report May 8, 2026
May 5, 2026 SD Conflict minerals report
May 1, 2026 10-Q Quarterly report Mar 29, 2026
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 2.02, 9.01 Results released · Current report Apr 28, 2026
Mar 27, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 27, 2026 DEFA14A Extra proxy material
Mar 27, 2026 DEF 14A Proxy statement Mar 25, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 19, 2026 10-K Annual report Dec 31, 2025
Feb 3, 2026 8-K items 2.02, 9.01 Results released · Current report Feb 2, 2026
Oct 30, 2025 10-Q Quarterly report Sep 28, 2025
Oct 29, 2025 8-K items 2.02, 9.01 Results released · Current report Oct 28, 2025
Oct 28, 2025 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report
Sep 2, 2025 8-K item 5.02 Officer or director change · Current report Aug 29, 2025
Aug 1, 2025 10-Q Quarterly report Jun 29, 2025
Jul 30, 2025 8-K items 2.02, 9.01 Results released · Current report Jul 29, 2025
Jul 29, 2025 SCHEDULE 13G/A Large holder update, amended
Jun 26, 2025 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report
Jun 20, 2025 8-K items 3.03, 5.03, 8.01, 9.01 Change to shareholders' rights; Charter, bylaw or fiscal-year change; Other event · Current report
May 12, 2025 8-K/A items 5.02, 5.07 Officer or director change; Shareholder vote · Current report, amended May 9, 2025
May 12, 2025 8-K items 5.02, 5.07 Officer or director change; Shareholder vote · Current report May 9, 2025
May 12, 2025 SCHEDULE 13G/A Large holder update, amended
May 2, 2025 10-Q Quarterly report Mar 30, 2025
Apr 30, 2025 SD Conflict minerals report
Apr 29, 2025 8-K items 2.02, 9.01 Results released · Current report Apr 28, 2025
Mar 28, 2025 ARS Annual report to shareholders Dec 31, 2024
Mar 28, 2025 DEFA14A Extra proxy material
Mar 28, 2025 DEF 14A Proxy statement Mar 27, 2025
Mar 6, 2025 8-K items 5.02, 9.01 Officer or director change · Current report Mar 5, 2025
Feb 25, 2025 8-K items 8.01, 9.01 Other event · Current report
Feb 20, 2025 10-K Annual report Dec 31, 2024
40 of 224 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton TER · research, not advice