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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-20-100864
Filing Date
2020-08-31
Accepted
2020-08-31 17:17:59
Documents
2
Period of Report
2020-08-27

Document Format Files

Seq Description Document Type Size
1 4 a4.html 4  
1 4 a4.xml 4 17864
2 EX-99.1 ex-99d1.htm EX-99.1 39247
  Complete submission text file 0001104659-20-100864.txt   64045
Mailing Address 345 ENCINAL STREET PO BOX 1802 SANTA CRUZ CA 95061-1802
Business Address 345 ENCINAL ST SANTA CRUZ CA 95061-1802 8314587828
PLANTRONICS INC /CA/ (Issuer) CIK: 0000914025 (see all company filings)

IRS No.: 770207692 | State of Incorp.: DE | Fiscal Year End: 0403
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVE., 59TH FL. NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVE., 59TH FL. NEW YORK NY 10022 212-231-0095
Siris Partners III, L.P. (Reporting) CIK: 0001626559 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1214
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152545

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVE., 59TH FL. NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVE., 59TH FL. NEW YORK NY 10022 212-231-0095
Siris Partners III Parallel, L.P. (Reporting) CIK: 0001626560 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1214
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152546

Mailing Address 601 LEXINGTON AVENUE, 59TH STREET NEW YORK NY 10022
Business Address 601 LEXINGTON AVENUE, 59TH STREET NEW YORK NY 10022 212-231-0095
Triangle Private Investments, LLC (Reporting) CIK: 0001685464 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152552

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Siris Capital Group, LLC (Reporting) CIK: 0001705438 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152549

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Siris Capital Group III, L.P. (Reporting) CIK: 0001705439 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152548

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Siris GP HoldCo III, LLC (Reporting) CIK: 0001705465 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152551

Mailing Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address C/O SIRIS CAPITAL GROUP 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Siris Partners GP III, L.P. (Reporting) CIK: 0001705701 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152547

Mailing Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Triangle Private Holdings II, LLC (Reporting) CIK: 0001736996 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152553

Mailing Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Triangle Private Holdings I, LLC (Reporting) CIK: 0001737027 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152544

Mailing Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022
Business Address 601 LEXINGTON AVENUE, 59TH FLOOR NEW YORK NY 10022 2122310095
Siris Group GP, LLC (Reporting) CIK: 0001772464 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12696 | Film No.: 201152550