Dominic A. Savarino - Jul 28, 2023 Form 4 Insider Report for DIAMOND OFFSHORE DRILLING, INC. (DO)

Role: Senior Vice President and CFO
Signature: /s/ Terence W. Waldorf Attorney-in-Fact for Dominic A. Savarino
Stock symbol: DO
Transactions as of: Jul 28, 2023
Transactions value $: -$140,581
Form type: 4
Date filed: 8/1/2023, 03:43 PM
Previous filing: Jul 10, 2023
Next filing: Nov 13, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DO	Common Stock	Award		+30.2K	+79.46%		68.2K	Jul 28, 2023	Direct	F1, F2
transaction	DO	Common Stock	Tax liability	-$141K	-9.11K	-13.36%	$15.44	59K	Jul 28, 2023	Direct

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

Explanation of Responses:

Id	Content
F1	The reported shares of common stock represent shares issuable pursuant to performance-based restricted stock units awarded on July 1, 2021 and October 1, 2021 that vested on July 28, 2023 (the "Determination Date") upon determination of the level of attainment of the performance goals following the performance period and the number of performance-based restricted stock units eligible to vest. The shares of common stock are deliverable by the company to the reporting person within 30 days following the Determination Date.
F2	The shares were received for no consideration upon the satisfaction of performance criteria underlying the award of performance-based restricted stock units.

Content

The reported shares of common stock represent shares issuable pursuant to performance-based restricted stock units awarded on July 1, 2021 and October 1, 2021 that vested on July 28, 2023 (the "Determination Date") upon determination of the level of attainment of the performance goals following the performance period and the number of performance-based restricted stock units eligible to vest. The shares of common stock are deliverable by the company to the reporting person within 30 days following the Determination Date.

The shares were received for no consideration upon the satisfaction of performance criteria underlying the award of performance-based restricted stock units.