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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899140-07-001260
Filing Date
2007-07-03
Accepted
2007-07-03 10:43:50
Documents
4
Period of Report
2007-07-02

Document Format Files

Seq Description Document Type Size
1 wppe9_nyfx4-070207ex.html 4  
1 wppe9_nyfx4-070207ex.xml 4 11577
2 99.1 - EXPLANATION OF RESPONSES w070207a.txt EX-99 4420
3 99.2 - JOINT FILERS' NAMES AND ADDRESSES w070207b.txt EX-99 1233
4 99.3 - JOINT FILERS' SIGNATURES w070207c.txt EX-99 1967
  Complete submission text file 0000899140-07-001260.txt   24228
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.: 07958016

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.: 07958017

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.: 07958014

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.: 07958015

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.: 07958018

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.: 07958020

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.: 07958019