Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-13-025648
Filing Date
2013-06-18
Accepted
2013-06-18 17:59:56
Documents
1
Period of Report
2013-06-15

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 15419
  Complete submission text file 0001140361-13-025648.txt   18648
Mailing Address 5435 NE DAWSON CREEK DRIVE HILLSBORO OR 97124
Business Address 5435 NE DAWSON CREEK DR HILLSBORO OR 97124 5036151100
RADISYS CORP (Issuer) CIK: 0000873044 (see all company filings)

EIN.: 930945232 | State of Incorp.: OR | Fiscal Year End: 1231
SIC: 3577 Computer Peripheral Equipment, NEC

Mailing Address 19605 NE 8TH STREET CAMAS WA 98607
Business Address
Nierenberg David (Reporting) CIK: 0001040899 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-26844 | Film No.: 13920448

Mailing Address 19605 NE 8TH ST CAMAS WA 98607
Business Address 19605 NE 8TH ST CAMAS WA 98607 360-604-8600
Nierenberg Investment Management Company, Inc. (Reporting) CIK: 0001282683 (see all company filings)

State of Incorp.: WA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-26844 | Film No.: 13920449

Mailing Address 19605 NE 8TH STREET CAMAS WA 98607
Business Address 19605 NE 8TH STREET CAMAS WA 98607 360-604-8600
D3 Family Fund, LP (Reporting) CIK: 0001282685 (see all company filings)

State of Incorp.: WA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-26844 | Film No.: 13920447

Mailing Address 19605 NE 8TH STREET CAMAS WA 98607
Business Address 19605 NE 8TH STREET CAMAS WA 98607 360-604-8600
D3 Family Bulldog Fund, LP (Reporting) CIK: 0001365745 (see all company filings)

State of Incorp.: WA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-26844 | Film No.: 13920446