Atlas Energy (AESI) director awarded 22,200 restricted stock units, now 53,209 shares

Rhea-AI Filing Summary

Mills Mark P reported acquisition or exercise transactions in this Form 4 filing.

Atlas Energy Solutions Inc. director Mark P. Mills received an equity grant of 22,200 restricted stock units under the Atlas Energy Solutions Inc. Long Term Incentive Plan. The award, which carried no cash purchase price, will vest in full on the first anniversary of the grant date, subject to his continued service. Following this grant, his directly held common stock equivalent holdings increased to 53,209 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mills Mark P

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	22,200	$0.00	--

Holdings After Transaction: Common Stock — 53,209 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Mills Mark P

(Last) (First) (Middle)

5918 W. COURTYARD DRIVE

SUITE 500

(Street)

AUSTIN TX 78730

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Atlas Energy Solutions Inc. [ AESI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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
Common Stock	03/04/2026		A		22,200(1)	A	$0	53,209	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. Award of restricted stock units pursuant to the Atlas Energy Solutions Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date, subject to continued service through the vesting date.

	/s/ Mark P. Mills, by Dathan C. Voelter, as Attorney-in-Fact	03/06/2026
	** 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.

FAQ

What insider transaction did Atlas Energy Solutions Inc. (AESI) report for Mark P. Mills?

Atlas Energy Solutions Inc. reported that director Mark P. Mills received a grant of 22,200 restricted stock units. These units were awarded under the company’s Long Term Incentive Plan and increased his directly held common stock equivalent position to 53,209 shares after the grant.

Was the Atlas Energy Solutions Inc. (AESI) equity grant to Mark P. Mills a purchase or an award?

The transaction was an award, not an open-market purchase. Mark P. Mills received 22,200 restricted stock units as a grant under the Atlas Energy Solutions Inc. Long Term Incentive Plan, with no cash price paid per share in the reported transaction.

How many Atlas Energy Solutions Inc. (AESI) shares does Mark P. Mills hold after this Form 4 transaction?

After the reported grant, Mark P. Mills directly holds 53,209 common stock equivalent shares of Atlas Energy Solutions Inc. This total reflects the addition of 22,200 restricted stock units awarded to him in the transaction disclosed in the Form 4 filing.

What are the vesting terms of Mark P. Mills’ Atlas Energy Solutions Inc. (AESI) restricted stock unit award?

The restricted stock unit award to Mark P. Mills vests in full on the first anniversary of the grant date. Vesting is expressly conditioned on his continued service with Atlas Energy Solutions Inc. through that one-year vesting date, according to the transaction footnote.

Under which plan did Atlas Energy Solutions Inc. (AESI) grant restricted stock units to Mark P. Mills?

The 22,200 restricted stock units granted to Mark P. Mills were issued under the Atlas Energy Solutions Inc. Long Term Incentive Plan. This plan is used by the company to deliver equity-based compensation awards such as the one reported in this Form 4 transaction.