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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

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