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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-11-000989
Filing Date
2011-02-09
Accepted
2011-02-09 17:27:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 teradyneinc_amend1.htm SC 13G/A 38088
  Complete submission text file 0000932471-11-000989.txt   40077
Mailing Address 600 RIVERPARK DRIVE NORTH READING MA 01864
Business Address 600 RIVERPARK DRIVE NORTH READING MA 01864 978-370-2700
TERADYNE, INC (Subject) CIK: 0000097210 (see all company filings)

IRS No.: 042272148 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-13066 | Film No.: 11588298
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106696295
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A