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Filing Details

Accession Number:: 0001179110-18-005946
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-04-30 16:03:42
Reporting Period:: 2018-04-30

Accepted Time:: 2018-04-30 16:03:42
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1333835	Casa Systems Inc	CASA	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1018067	J Martin Mannion	C/O Summit Partners 222 Berkeley Street, 18Th Floor Boston MA 02116		No	No	Yes	No
1239366	Y Peter Chung	C/O Summit Partners 222 Berkeley Street, 18Th Floor Boston MA 02116		Yes	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2018-04-30	4,717,520	$25.00	34,124,480	No	4	S	Indirect	See Footnotes.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnotes.

Footnotes

Consists of 2,940,250 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 1,765,961 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 10,037 shares of common stock sold by Summit Investors I, LLC and 1,272 shares of common stock sold by Summit Investors I (UK), L.P.
Of the shares sold by the entities mentioned in footnote (1), the sale of 250,000 shares is matchable under Section 16(b) of the Securities Exchange Act of 1934, as amended, with the purchase of 250,000 shares on December 19, 2017 at $13.00 per share. The entities mentioned in footnote (1) have paid to the Issuer an aggregate of $2,721,875.00, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs.
Consists of 21,268,476 shares of common stock held by Summit Partners Private Equity Fund VII-A, L.P., 12,774,194 shares of common stock held by Summit Partners Private Equity Fund VII-B, L.P., 72,605 shares of common stock issued held by Summit Investors I, LLC and 9,205 shares of common stock held by Summit Investors I (UK), L.P.
Summit Partners, L.P. is the managing member of Summit Partners PE VII, LLC, which is the general partner of Summit Partners PE VII, L.P., which is the general partner of each of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC, and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC, has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to the Issuer.
Summit Partners, L.P., through a three-person investment committee responsible for voting and investment decisions with respect to the Issuer, currently comprised of Peter Y. Chung, Bruce R. Evans and Martin J. Mannion, has voting and dispositive power over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. Each of the Summit entities and persons mentioned in this footnote disclaims beneficial ownership of the shares, except for those shares held of record by such entity, and except to the extent of their pecuniary interest therein.