SEC Form 4 · accession 0001209191-18-021912

Casa Systems Inc · CASA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Technology Officer · Director

Period of report

Mar 8, 2018

Accepted (ET)

Mar 28, 2018 · 4:23 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001333835

Table I — non-derivative securities

No Table I lines on this filing.

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted stock units^F1,F2	—	Mar 8, 2018	A	15,910	A	—	—	Common Stock	15,910	15,910	D
Stock option (right to buy)^F3	$24.87	Mar 8, 2018	A	43,243	A	—	Mar 7, 2028	Common Stock	43,243	43,243	D

F1Each restricted stock unit ("RSU") represents the right to receive one share of common stock, $0.001 par value per share (the "Common Stock"), of Casa Systems, Inc. (the "Company") upon vesting, subject to the terms and conditions set forth in the applicable RSU agreement. In the sole discretion of the Company's board of directors, the Company may, with respect to any applicable vesting date, deliver to the reporting person Common Stock or cash having a fair market value equal to the number of shares of Common Stock underlying the portion of the RSU that vested on such date, payable within 30 days of the vesting date, less applicable taxes, subject to the reporting person's continued service relationship with the Company.
F2Scheduled to vest over four years, with 25% of the shares underlying the award vesting on January 1, 2019, and 25% of the shares underlying the award vesting at the end of each successive one-year period thereafter.
F3Scheduled to vest over four years, with 25% of the shares underlying the award vesting on January 1, 2019, and 2.0833% of the shares underlying the award vesting at the end of each successive one-month period thereafter.