William C. Styslinger III - Jun 14, 2021 Form 4 Insider Report for Casa Systems Inc (CASA)

Role: Director
Signature: /s/ Timothy C. Rodenberger, as Attorney-in-Fact
Stock symbol: CASA
Transactions as of: Jun 14, 2021
Transactions value $: $0
Form type: 4
Date filed: 6/16/2021, 08:14 PM
Previous filing: May 26, 2021
Next filing: May 17, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CASA	Restricted Stock Units	Award	$0	+16K		$0.00	16K	Jun 14, 2021	Common Stock	16K		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each 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 reporting person's continued service relationship with the Company and the other 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.
F2	The RSUs are scheduled to vest as to 100% of the original number of shares on June 14, 2022. The RSUs have no expiration date.

Content

Each 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 reporting person's continued service relationship with the Company and the other 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.

The RSUs are scheduled to vest as to 100% of the original number of shares on June 14, 2022. The RSUs have no expiration date.