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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001179110-17-015386
Filing Date
2017-12-14
Accepted
2017-12-14 18:02:17
Documents
1
Period of Report
2017-12-14

Document Format Files

Seq Description Document Type Size
1 FORM 3 - edgar.html 3  
1 FORM 3 - edgar.xml 3 15280
  Complete submission text file 0001179110-17-015386.txt   21735
Mailing Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 6178241094
SUMMIT PARTNERS L P (Reporting) CIK: 0000830588 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257171

Mailing Address 100 OLD RIVER ROAD SUITE 100 ANDOVER MA 01810
Business Address 100 OLD RIVER ROAD SUITE 100 ANDOVER MA 01810 978-688-6706
Casa Systems Inc (Issuer) CIK: 0001333835 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3663 Radio & Tv Broadcasting & Communications Equipment
Office of Manufacturing

Mailing Address 222 Berkeley Street 18th Floor Boston MA 02116
Business Address 222 Berkeley Street 18th Floor Boston MA 02116 6178241000
Summit Partners Private Equity Fund VII B L P (Reporting) CIK: 0001385242 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257165

Mailing Address 222 BERKLEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKLEY STREET 18TH FLOOR BOSTON MA 02116 617-824-1100
Summit Investors I, LLC (Reporting) CIK: 0001435565 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257164

Mailing Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110
Business Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110 617 824-1000
Summit Partners PE VII, L.P. (Reporting) CIK: 0001486418 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257168

Mailing Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110
Business Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110 617 824-1000
Summit Partners PE VII, LLC (Reporting) CIK: 0001486419 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257167

Mailing Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110
Business Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110 617 824-1000
Summit Partners Private Equity Fund VII-A, L.P. (Reporting) CIK: 0001486421 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257166

Mailing Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110
Business Address C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110 617 824-1000
Summit Investors I (UK), L.P. (Reporting) CIK: 0001494616 (see all company filings)

State of Incorp.: X0 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257163

Mailing Address C/O SUMMIT PARTNERS 22 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110
Business Address C/O SUMMIT PARTNERS 22 BERKELEY STREET, 18TH FLOOR BOSTON MA 02110 617 824-1000
Summit Investors Management, LLC (Reporting) CIK: 0001507545 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257169

Mailing Address 222 BERKLEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKLEY STREET 18TH FLOOR BOSTON MA 02116 617-824-1000
SUMMIT MASTER COMPANY, LLC (Reporting) CIK: 0001627278 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38324 | Film No.: 171257170