TERADYNE, INC — DEFA14A Filings
21 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by TERADYNE, INC (TER), sorted by most recent first. Each row links to the full filing on EdgarLookup. TERADYNE, INC has filed 21 DEFA14A documents with the SEC since 2013. To view all SEC filings by TERADYNE, INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
144/A
15-12B
25
25-NSE
3
4
4/A
424B3
424B5
425
5
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CERT
CORRESP
CT ORDER
DEF 14A
DEFA14A
EFFECT
FWP
NO ACT
POS AM
PRE 14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-26-127505 | Mar 27, 2026 | — |
| DEFA14A | DEFA14A | 0000950170-25-046347 | Mar 28, 2025 | — |
| DEFA14A | DEFA14A | 0000950170-24-038548 | Mar 29, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-086962 | Mar 31, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-093127 | Apr 1, 2022 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-21-095719 | Mar 26, 2021 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-20-100703 | Apr 8, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-20-087829 | Mar 27, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-19-089588 | Mar 28, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-18-101032 | Mar 29, 2018 | — |
| DEFA14A | DEFA14A | 0001193125-17-103274 | Mar 30, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-16-525025 | Mar 31, 2016 | — |
| DEFA14A | NOTICE AND ACCESS | 0001193125-15-117293 | Apr 2, 2015 | — |
| DEFA14A | NOTICE AND ACCESS | 0001193125-14-138184 | Apr 10, 2014 | — |
| DEFA14A | NOTICE AND ACCESS CARD | 0001193125-13-150490 | Apr 11, 2013 | — |
| DEFA14A | NOTICE AND ACCESS | 0001193125-12-160062 | Apr 12, 2012 | — |
| DEFA14A | NOTICE AND ACCESS | 0001193125-11-097351 | Apr 14, 2011 | — |
| DEFA14A | ADDITIONAL MATERIALS | 0001193125-10-085099 | Apr 16, 2010 | — |
| DEFA14A | ADDITIONAL MATERIALS | 0001193125-08-215361 | Oct 23, 2008 | — |
| DEFA14A | FORM 8-K | 0001193125-08-189314 | Sep 3, 2008 | — |
| DEFA14A | FORM 8-K | 0001193125-08-188314 | Sep 2, 2008 | — |