Mark Thomas Murphy - Mar 24, 2023 Form 3 Insider Report for ProSomnus, Inc. (OSA)

Role: Chief Growth Officer
Signature: /s/ Mark Thomas Murphy, by Nelson Mullins Riley & Scarborough LLP with Power of Attorney
Stock symbol: OSA
Transactions as of: Mar 24, 2023
Transactions value $: $0
Form type: 3
Date filed: 4/11/2023, 08:52 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	OSA	Common Stock						92K	Mar 24, 2023	Direct

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
holding	OSA	Stock Option (Right to Buy)							Mar 24, 2023	Common Stock	40.9K	$0.00	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Stock options vest over 4 years; 25% on the first-year anniversary, 25% on the second anniversary, and 6.25% quarterly vesting thereafter. Vesting may be accelerated upon change of control.