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Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001193125-12-060402
Filing Date
2012-02-14
Accepted
2012-02-14 15:19:28
Documents
4
Group Members
IVY INVESTMENT MANAGEMENT COWADDELL & REED FINANCIAL SERVICES, INC.WADDELL & REED INVESTMENT MANAGEMENT COWADDELL & REED, INC.

Document Format Files

Seq Description Document Type Size
1 OSI SYSTEMS, INC. d295929dsc13g.htm SC 13G 75133
2 JOINT FILING AGREEMENT d295929dex1.htm EX-1 10491
3 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY d295929dex2.htm EX-2 1302
4 POWER OF ATTORNEY d295929dex3.htm EX-3 23291
  Complete submission text file 0001193125-12-060402.txt   111933
Mailing Address 12525 CHADRON AVENUE HAWTHORNE CA 90250
Business Address 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516
OSI SYSTEMS INC (Subject) CIK: 0001039065 (see all company filings)

IRS No.: 330238801 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G | Act: 34 | File No.: 005-53245 | Film No.: 12608565
SIC: 3674 Semiconductors & Related Devices

Mailing Address PO BOX 29217 SHAWNEE MISSION KS 66201-9217
Business Address 6300 LAMAR AVE OVERLAND PARK KS 66202-4200 9132362000
WADDELL & REED FINANCIAL INC (Filed by) CIK: 0001052100 (see all company filings)

IRS No.: 510261715 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 6211 Security Brokers, Dealers & Flotation Companies