Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-10-008173
Filing Date
2010-02-24
Accepted
2010-02-24 17:06:25
Documents
1
Period of Report
2010-02-22

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 13167
  Complete submission text file 0001140361-10-008173.txt   16760
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 19605 NE 8TH STREET CAMAS WA 98607
Business Address
Nierenberg David (Reporting) CIK: 0001040899 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-33001 | Film No.: 10630483

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.: 000-33001 | Film No.: 10630486

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.: 000-33001 | Film No.: 10630485

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.: 10630484