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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899140-08-000051
Filing Date
2008-01-04
Accepted
2008-01-04 16:02:42
Documents
4
Period of Report
2008-01-02

Document Format Files

Seq Description Document Type Size
1 wppe9_nyfx4-010408ex.html 4  
1 wppe9_nyfx4-010408ex.xml 4 11578
2 EXHIBIT 99.1 EXPLANATION OF RESPONSES w010408a.txt EX-99 4419
3 EXHIBIT 99.2 JOINT FILERS' NAMES AND ADDRESSES w010408b.txt EX-99 1242
4 EXHIBIT 99.3 JOINT FILERS' SIGNATURES w010408c.txt EX-99 1982
  Complete submission text file 0000899140-08-000051.txt   24252
Mailing Address 100 WALL STREET 26TH FLOOR NEW YORK NY 10005
Business Address 100 WALL STREET 26TH FLOOR NEW YORK NY 10005 212-809-3542
NYFIX INC (Issuer) CIK: 0000099047 (see all company filings)

IRS No.: 061344888 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7373 Services-Computer Integrated Systems Design

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY NY 100173147
Business Address 466 LEXINGTON AVENUE NEW YORK NY 100173147 2128780600
WARBURG PINCUS & CO (Reporting) CIK: 0000929408 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511653

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 LEXINGTON AVENUE NEW YORK NY 10017 2128780600
WARBURG PINCUS LLC (Reporting) CIK: 0001162870 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511654

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address 2128780600
LANDY JOSEPH (Reporting) CIK: 0001220638 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511651

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address 2128780600
KAYE CHARLES R (Reporting) CIK: 0001239318 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511652

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 LEXINGTON AVENUE NEW YORK NY 10017 212-878-0600
Warburg Pincus Partners LLC (Reporting) CIK: 0001322709 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511655

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVENUE NEW YORK NY 10017 212-878-0600
Warburg Pincus Private Equity IX, L.P. (Reporting) CIK: 0001332737 (see all company filings)

Fiscal Year End: 1204
Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511657

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 LEXINGTON AVENUE NEW YORK NY 10017 212-878-0600
Warburg Pincus IX LLC (Reporting) CIK: 0001342445 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-21324 | Film No.: 08511656