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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000807249-10-000423
Filing Date
2010-12-23
Accepted
2010-12-23 15:59:37
Documents
1

Document Format Files

Seq Description Document Type Size
1 nhwk_01.htm SC 13D/A 280331
  Complete submission text file 0000807249-10-000423.txt   282481
Mailing Address ONE CORPORATE CENTER RYE NY 10580
Business Address ONE CORPORATE CENTER RYE NY 10580-1434 9149215000
GAMCO INVESTORS, INC. ET AL (Filed by) CIK: 0000807249 (see all company filings)

IRS No.: 133056041 | State of Incorp.: NY | Fiscal Year End: 1031
Type: SC 13D/A
SIC: 0000

Mailing Address 601 FRONT AVENUE, SUITE #502 COEUR D ALENE ID 83814
Business Address 601 FRONT AVENUE, SUITE #502 COEUR D ALENE ID 83814 208-292-2251
NightHawk Radiology Holdings Inc (Subject) CIK: 0001292470 (see all company filings)

IRS No.: 870722777 | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-82336 | Film No.: 101272351
SIC: 8090 Services-Misc Health & Allied Services, NEC