SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Kornblau Scott Lee (Last) (First) (Middle) 15415 KATY FREEWAY SUITE 100 (Street) HOUSTON TX 77094 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol DIAMOND OFFSHORE DRILLING, INC. [ DOFSQ ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Senior Vice President - CFO
	3. Date of Earliest Transaction (Month/Day/Year) 07/06/2020
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	07/06/2020		D			987	(1)	(1)	Common Stock	987	$0.00(1)	0	D
Restricted Stock Units	(2)	07/06/2020		D			887	(2)	(2)	Common Stock	887	$0.00(2)	0	D
Restricted Stock Units	(3)	07/06/2020		D			7,694	(3)	(3)	Common Stock	7,694	$0.00(3)	0	D
Stock Appreciation Rights	$68.52	07/06/2020		D			750	(4)	10/01/2020	Common Stock	750	$0.00(4)	0	D
Stock Appreciation Rights	$64.94	07/06/2020		D			750	(4)	12/01/2020	Common Stock	750	$0.00(4)	0	D
Stock Appreciation Rights	$78.9	07/06/2020		D			750	(5)	04/01/2021	Common Stock	750	$0.00(5)	0	D
Stock Appreciation Rights	$70.38	07/06/2020		D			750	(5)	07/01/2021	Common Stock	750	$0.00(5)	0	D
Stock Appreciation Rights	$55.64	07/06/2020		D			750	(5)	10/01/2021	Common Stock	750	$0.00(5)	0	D
Stock Appreciation Rights	$60.13	07/06/2020		D			750	(5)	12/01/2021	Common Stock	750	$0.00(5)	0	D
Stock Appreciation Rights	$66.68	07/06/2020		D			750	(6)	04/02/2022	Common Stock	750	$0.00(6)	0	D
Stock Appreciation Rights	$59.19	07/06/2020		D			750	(6)	07/02/2022	Common Stock	750	$0.00(6)	0	D
Stock Appreciation Rights	$66.04	07/06/2020		D			750	(6)	10/01/2022	Common Stock	750	$0.00(6)	0	D
Stock Appreciation Rights	$68.17	07/06/2020		D			750	(6)	12/03/2022	Common Stock	750	$0.00(6)	0	D
Stock Appreciation Rights	$69.71	07/06/2020		D			750	(7)	04/01/2023	Common Stock	750	$0.00(7)	0	D
Stock Appreciation Rights	$68.62	07/06/2020		D			750	(7)	07/01/2023	Common Stock	750	$0.00(7)	0	D
Stock Appreciation Rights	$62.31	07/06/2020		D			750	(7)	10/01/2023	Common Stock	750	$0.00(7)	0	D
Stock Appreciation Rights	$56.55	07/06/2020		D			750	(7)	01/02/2024	Common Stock	750	$0.00(7)	0	D
Stock Appreciation Rights	$48.36	07/06/2020		D			750	(8)	04/01/2024	Common Stock	750	$0.00(8)	0	D
Stock Appreciation Rights	$49.57	07/06/2020		D			750	(8)	07/01/2024	Common Stock	750	$0.00(8)	0	D
Stock Appreciation Rights	$34.54	07/06/2020		D			750	(8)	10/01/2024	Common Stock	750	$0.00(8)	0	D
Stock Appreciation Rights	$37.16	07/06/2020		D			750	(8)	01/02/2025	Common Stock	750	$0.00(8)	0	D

Explanation of Responses:

1. Represents the forfeiture of restricted stock units, which convert into common stock on a one-for-one basis, that were scheduled to vest on April 1, 2021. The restricted stock units were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

2. Represents the forfeiture of restricted stock units, which convert into common stock on a one-for-one basis, that were scheduled to vest on July 1, 2021. The restricted stock units were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

3. Represents the forfeiture of restricted stock units, which convert into common stock on a one-for-one basis, that were scheduled to vest in two equal installments on April 1, 2021 and April 1, 2022. The restricted stock units were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

4. Represents the forfeiture of stock appreciation rights that vested in four equal annual installments beginning on April 1, 2011. The stock appreciation rights were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

5. Represents the forfeiture of stock appreciation rights that vested in four equal annual installments beginning on April 1, 2012. The stock appreciation rights were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

6. Represents the forfeiture of stock appreciation rights that vested in four equal annual installments beginning on April 2, 2013. The stock appreciation rights were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

7. Represents the forfeiture of stock appreciation rights that vested in four equal annual installments beginning on April 1, 2014. The stock appreciation rights were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

8. Represents the forfeiture of stock appreciation rights that vested in four equal annual installments beginning on April 1, 2015. The stock appreciation rights were forfeited for no consideration in satisfaction of a condition to the reporting person's participation in the company's key employee incentive plan.

Remarks:

	/s/ Terence W. Waldorf Attorney-in-Fact for Scott L. Kornblau	07/07/2020
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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