Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001005477-09-002154
Filing Date
2009-05-01
Accepted
2009-05-01 17:08:24
Documents
1
Period of Report
2009-04-30

Document Format Files

Seq Description Document Type Size
1 FORM 4 edgar123.html 4  
1 FORM 4 edgar123.xml 4 12403
  Complete submission text file 0001005477-09-002154.txt   16226
Mailing Address 1501 INDUSTRIAL ROAD SAN CARLOS CA 94070
Business Address 1501 INDUSTRIAL ROAD SAN CARLOS CA 94070 6508020400
NATUS MEDICAL INC (Issuer) CIK: 0000878526 (see all company filings)

EIN.: 770154833 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3845 Electromedical & Electrotherapeutic Apparatus

Mailing Address
Business Address
NIERENBERG DAVID (Reporting) CIK: 0001040899 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790338

Mailing Address 19605 NE 8TH ST CAMAS WA 98607
Business Address
NIERENBERG INVESTMENT MANAGEMENT CO (Reporting) CIK: 0001282683 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790342

Mailing Address 19605 NE 8TH ST CAMAS WA 98607
Business Address 19605 NE 8TH ST CAMAS WA 98607 360-604-8600
DIII OFFSHORE FUND LP (Reporting) CIK: 0001282684 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790341

Mailing Address 19605 NE 8TH ST CAMAS WA 98607
Business Address
D3 FAMILY FUND LP (Reporting) CIK: 0001282685 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790340

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)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790339

Mailing Address 19605 NE 8TH STREET CAMAS WA 98607
Business Address MONTAGUE STERLING CENTRE 3RD FLOOR NASSAU C5 00000 360-604-8600
Nierenberg Investment Management Offshore Inc (Reporting) CIK: 0001365764 (see all company filings)

State of Incorp.: C5 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 09790343