Nine Energy (NINE) director awarded 27,778 restricted stock units vesting in 2027

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Willis Darryl Keith reported acquisition or exercise transactions in this Form 4 filing.

Nine Energy Service, Inc. director Willis Darryl Keith received a grant of 27,778 shares of Common Stock in the form of time-based restricted stock units, recorded at a price of $0.00 per share as a compensation award.

These restricted stock units will vest on June 30, 2027, provided he continues serving through that date. If he is nominated for re-election at the next annual stockholders’ meeting and is not elected to remain on the board, the units will fully vest on that meeting date. Following this grant, he holds 27,778 shares directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Willis Darryl Keith

Role null

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

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

Footnotes (1)

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Key Figures

RSU grant size: 27,778 shares Grant price: $0.00 per share Post-grant holdings: 27,778 shares +1 more

4 metrics

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

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

Post-grant holdings 27,778 shares Total common stock held directly after transaction

RSU vesting date June 30, 2027 Scheduled vesting date for the time-based RSUs

Key Terms

restricted stock units, time-based, vest, annual meeting of stockholders, +1 more

5 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.

time-based financial

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

vest financial

"units that 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

"in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders"

board of directors financial

"not elected to continue serving as a member of the board of directors"

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.

Form 4 Insider Transactions: What Each Field Means →

05/20/2026 - 05:31 PM

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^*

Willis Darryl Keith

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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/ Darryl K. Willis by Ann G. Fox, 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Nine Energy Service (NINE) report for Willis Darryl Keith?

Nine Energy Service reported that director Willis Darryl Keith received a grant of 27,778 shares of Common Stock as time-based restricted stock units. The award is a compensation-related acquisition, not an open-market purchase, and was recorded at a price of $0.00 per share.

When do Willis Darryl Keith’s 27,778 restricted stock units in NINE vest?

The 27,778 time-based restricted stock units granted to Willis Darryl Keith will vest on June 30, 2027. Vesting is conditioned on his continued service through this date, subject to an acceleration provision tied to the next annual stockholders’ meeting and board election outcome.

Is there an accelerated vesting condition for NINE director Willis Darryl Keith’s RSUs?

Yes. If Willis Darryl Keith stands for re-election at Nine Energy Service’s next annual stockholders’ meeting and is not elected to continue on the board, his 27,778 restricted stock units will become fully vested as of that annual meeting date, instead of June 30, 2027.

How many NINE shares does Willis Darryl Keith hold after this Form 4 transaction?

After the reported grant, Willis Darryl Keith holds 27,778 shares of Nine Energy Service common stock directly. This total reflects the full amount of the restricted stock unit award disclosed, as indicated by the post-transaction ownership figure in the Form 4 filing.

Was the NINE insider transaction by Willis Darryl Keith a market buy or a compensation grant?

The transaction was a compensation grant, coded as an acquisition under a grant or award, not a market purchase. The 27,778 shares were issued as time-based restricted stock units at a stated transaction price of $0.00 per share, reflecting their nature as equity compensation.