Noble CEO sells 100,000 shares under 10b5-1 plan

Noble Corp plc President & CEO Robert W. Eifler reported planned share sales.

Rhea-AI Filing Summary

Noble Corp plc President & CEO Robert W. Eifler reported planned share sales. On March 18, 2026, he completed two open-market sales totaling 100,000 A Ordinary Shares, with weighted average prices of $46.434 and $47.108 per share. These transactions were executed pursuant to a Rule 10b5-1 trading plan adopted on December 12, 2025. Following the sales, he directly holds 1,243,828 A Ordinary Shares.

Insider Trade Summary

Net Seller: 100,000 shares

Net Sell 2 txns

Insider Eifler Robert W.

Role President & CEO

Sold 100,000 shs ($4.66M)

Type	Security	Shares	Price	Value
Sale	A Ordinary Shares	72,753	$46.434	$3.38M
Sale	A Ordinary Shares	27,247	$47.108	$1.28M

Holdings After Transaction: A Ordinary Shares — 1,243,828 shares (Direct)

Footnotes (3)

1. F1. This transaction was executed pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 12, 2025.
2. F2. This price reflects the weighted average price for open-market sales of Shares on March 18, 2026 within a $1.00 range. The actual prices for these transactions range from $45.98 to $46.755, inclusive. The Reporting Person further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares sold at each separate price.
3. F3. This price reflects the weighted average price for open-market sales of Shares on March 18, 2026 within a $1.00 range. The actual prices for these transactions range from $46.76 to $47.51, inclusive. The Reporting Person further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares sold at each separate price.

FAQ

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What did Noble Corp (NE) CEO Robert Eifler report in this Form 4?

Robert W. Eifler reported open-market sales of A Ordinary Shares. He sold a total of 100,000 shares in two transactions and continues to hold over 1.24 million shares directly after these sales.

How many Noble Corp (NE) shares did the CEO sell and at what prices?

The CEO sold 100,000 A Ordinary Shares of Noble Corp. The weighted average prices were $46.434 for 72,753 shares and $47.108 for 27,247 shares, based on multiple trades within $1.00 price ranges.

Were the Noble Corp (NE) CEO’s share sales pre-planned?

Yes. The filing states the sales were executed under a Rule 10b5-1 trading plan. That plan was adopted on December 12, 2025, indicating the transactions were pre-arranged rather than opportunistic market timing.

How many Noble Corp (NE) shares does the CEO still own after these sales?

After the reported transactions, Robert W. Eifler directly owns 1,243,828 A Ordinary Shares. This shows he retains a substantial equity position in Noble Corp even after selling 100,000 shares in the open market.

What type of transactions did Noble Corp (NE) disclose for its CEO?

The transactions are coded “S” for open-market or private sales. Both involve non-derivative A Ordinary Shares and represent straightforward share disposals rather than option exercises, gifts, or tax-withholding events.

How were the Noble Corp (NE) CEO’s sale prices calculated in this filing?

Each reported price reflects a weighted average across multiple trades in a $1.00 price band on March 18, 2026. Actual trade prices ranged from $45.98 to $47.51, and detailed trade breakdowns are available upon request.

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Accepted by SEC EDGAR 03/19/2026 - 06:03 PM EDT Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Eifler Robert W.

(Last) (First) (Middle)

2101 CITYWEST BOULEVARD, SUITE 600

(Street)

HOUSTON TEXAS 77042

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Noble Corp plc [ NE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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
A Ordinary Shares	03/18/2026		S		72,753(1)	D	$46.434(2)	1,271,075	D
A Ordinary Shares	03/18/2026		S		27,247(1)	D	$47.108(3)	1,243,828	D

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

Explanation of Responses:

1. This transaction was executed pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 12, 2025.

2. This price reflects the weighted average price for open-market sales of Shares on March 18, 2026 within a $1.00 range. The actual prices for these transactions range from $45.98 to $46.755, inclusive. The Reporting Person further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares sold at each separate price.

3. This price reflects the weighted average price for open-market sales of Shares on March 18, 2026 within a $1.00 range. The actual prices for these transactions range from $46.76 to $47.51, inclusive. The Reporting Person further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares sold at each separate price.

Remarks:

	/s/ Jennie Howard, as attorney-in-fact	03/19/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)