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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-07-029765
Filing Date
2007-02-14
Accepted
2007-02-13 17:57:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 4 TO SCHEDULE 13G dsc13ga.htm SC 13G/A 61959
  Complete submission text file 0001193125-07-029765.txt   63837
Mailing Address 5245 HELLYER AVE SAN JOSE CA 95138
Business Address 5245 HELLYER AVE SAN JOSE CA 95138 4084149200
POWER INTEGRATIONS INC (Subject) CIK: 0000833640 (see all company filings)

IRS No.: 943065014 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-52867 | Film No.: 07612154
SIC: 3674 Semiconductors & Related Devices

Mailing Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LLC (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 300027188 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A