Nine Energy director granted 27,778 RSUs

BARTELS PATRICK J JR reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BARTELS PATRICK J JR reported acquisition or exercise transactions in this Form 4 filing.

Nine Energy Service director Patrick J. Bartels Jr. received a grant of 27,778 shares of common stock in the form of time-based restricted stock units. These RSUs were awarded at no cash cost to him and represent his current direct holdings after the transaction.

The restricted stock units are scheduled to vest on June 30, 2027, as long as he continues to serve through that date. If he stands for re-election at the next annual shareholder meeting and is not elected, the units will fully vest on that meeting date.

Insider Trade Summary

Grant/Award: 27,778 shares

Grant/Award 1 txn

Insider BARTELS PATRICK J JR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	27,778	$0.00	$0.00

Holdings After Transaction: Common Stock — 27,778 shares (Direct)

Footnotes (1)

1. F1. Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

Key Figures

RSU grant size: 27,778 shares Grant price per share: $0.00 per share Holdings after transaction: 27,778 shares +1 more

4 metrics

RSU grant size 27,778 shares Time-based restricted stock units granted to director

Grant price per share $0.00 per share Stated transaction price for RSU award

Holdings after transaction 27,778 shares Total direct common stock/RSUs after grant

Scheduled vesting date June 30, 2027 Time-based vesting for RSU award

Key Terms

restricted stock units, vest, annual meeting of stockholders, board of directors

4 terms

restricted stock units financial

"Represents time-based restricted stock units that will vest on June 30, 2027"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vest financial

"will vest on June 30, 2027, subject to the Reporting Person's continued service"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

annual meeting of stockholders financial

"at the Issuer's next annual meeting of stockholders and is not elected"

board of directors financial

"continue serving as a member of the board of directors at such annual meeting"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Nine Energy (NINE) report for Patrick J. Bartels Jr.?

Nine Energy reported that director Patrick J. Bartels Jr. received 27,778 restricted stock units of common stock as a grant. The award carries no cash exercise price and represents his entire direct holding following this compensation-related transaction.

How many Nine Energy (NINE) shares does Patrick J. Bartels Jr. hold after this Form 4?

After the reported grant, Patrick J. Bartels Jr. holds 27,778 shares of Nine Energy common stock in the form of restricted stock units. These units are subject to future vesting conditions tied to his continued board service and potential re-election outcome.

When do Patrick J. Bartels Jr.’s Nine Energy (NINE) restricted stock units vest?

The 27,778 restricted stock units granted to Patrick J. Bartels Jr. are scheduled to vest on June 30, 2027. Vesting requires his continued service, with an alternative vesting trigger tied to the result of the next annual shareholder meeting.

What conditions affect vesting of the Nine Energy (NINE) RSUs granted to Patrick J. Bartels Jr.?

The RSUs vest on June 30, 2027 if Patrick J. Bartels Jr. continues serving through that date. If he stands for re-election at the next annual shareholder meeting and is not elected, all shares become fully vested on that annual meeting date instead.

Is Patrick J. Bartels Jr.’s Nine Energy (NINE) Form 4 transaction an open-market purchase or a grant?

The Form 4 shows a grant or award acquisition, not an open-market purchase. Patrick J. Bartels Jr. received 27,778 restricted stock units at a stated price of $0.00 per share as part of his director compensation arrangement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/20/2026 - 05:30 PM 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^*

BARTELS PATRICK J JR

(Last) (First) (Middle)

2001 KIRBY DRIVE, SUITE 200

(Street)

HOUSTON TEXAS 77019

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Nine Energy Service, Inc. [ NINE ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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
Common Stock	05/18/2026		A		27,778(1)	A	$0.00	27,778	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. Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

	/s/ Patrick J. Bartels, Jr., by Anita Kerin, as Attorney-in-fact	05/20/2026
	** 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)