Edward Durkin - Sep 1, 2023 Form 4 Insider Report for Casa Systems Inc (CASA)

Role: Chief Financial Officer
Signature: /s/ Timothy C. Rodenberger, as Attorney-in-Fact
Stock symbol: CASA
Transactions as of: Sep 1, 2023
Transactions value $: $0
Form type: 4
Date filed: 9/6/2023, 04:31 PM
Previous filing: Jul 21, 2023
Next filing: Jan 2, 2024

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	+1.3M		$0.00	1.3M	Sep 1, 2023	Common Stock	1.3M		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 over four years, with 1/4th of the shares underlying the award vesting on September 1, 2024, and the remainder of the shares underlying the award vesting in three equal annual installments thereafter. 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 over four years, with 1/4th of the shares underlying the award vesting on September 1, 2024, and the remainder of the shares underlying the award vesting in three equal annual installments thereafter. The RSUs have no expiration date.