Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000937394-12-000021
Filing Date
2012-02-10
Accepted
2012-02-10 12:23:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 drco_6.txt SC 13G/A 9853
  Complete submission text file 0000937394-12-000021.txt   11293
Mailing Address 60 FRONTAGE ROAD ANDOVER MA 01810-5498
Business Address 60 FRONTAGE ROAD ANDOVER MA 01810-5498 9784759090
DYNAMICS RESEARCH CORP (Subject) CIK: 0000030822 (see all company filings)

EIN.: 042211809 | State of Incorp.: MA | Fiscal Year End: 1229
Type: SC 13G/A | Act: 34 | File No.: 005-34774 | Film No.: 12590749
SIC: 7373 Services-Computer Integrated Systems Design

Mailing Address 789 N WATER STREET MILWAUKEE WI 53202
Business Address 789 N WATER STREET MILWAUKEE WI 53202 414-347-7777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

EIN.: 391078128 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A