Hallador director granted 5,375 RSUs

Sugg Barbara Ann reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Sugg Barbara Ann reported acquisition or exercise transactions in this Form 4 filing.

Hallador Energy director Barbara Ann Sugg received an award of 5,375 Restricted Stock Units on May 28, 2026. Each unit represents a contingent right to receive one share of Hallador Energy common stock at no cash cost, as part of the company’s Second Amended and Restated 2008 Restricted Stock Unit Plan.

The 5,375 units will fully vest on May 27, 2027, provided she continues in service through that date and meets the plan’s conditions. After this grant, she holds 5,375 RSUs directly, and there were no open-market purchases or sales reported in this filing.

Insider Trade Summary

Grant/Award: 5,375 shares

Grant/Award 1 txn

Insider Sugg Barbara Ann

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	5,375	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 5,375 contracts (Direct)

Footnotes (2)

1. F1. Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.
2. F2. The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

Key Figures

RSUs granted: 5,375 units Underlying shares: 5,375 shares Grant price: $0.00 per unit +2 more

5 metrics

RSUs granted 5,375 units Restricted Stock Units awarded on May 28, 2026

Underlying shares 5,375 shares Common stock underlying the RSUs

Grant price $0.00 per unit No cash exercise or purchase price for RSUs

Post-grant RSU holdings 5,375 units Total RSUs held after this transaction

Vesting date May 27, 2027 RSUs fully vest subject to continued service

Key Terms

Restricted Stock Units, contingent right, Second Amended and Restated 2008 Restricted Stock Unit Plan, vest

4 terms

Restricted Stock Units financial

"Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock."

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.

contingent right financial

"Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock."

Second Amended and Restated 2008 Restricted Stock Unit Plan financial

"Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan."

vest financial

"The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date."

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.

FAQ

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

What insider transaction did Hallador Energy (HNRG) report for Barbara Ann Sugg?

Hallador Energy reported that director Barbara Ann Sugg received a grant of 5,375 Restricted Stock Units. These units are a form of stock-based compensation that may convert into common shares in the future, subject to the company’s plan terms and vesting conditions.

How many Restricted Stock Units did Barbara Ann Sugg receive from Hallador Energy (HNRG)?

She received 5,375 Restricted Stock Units. Each unit represents a contingent right to receive one share of Hallador Energy common stock, with no cash purchase price, under the Second Amended and Restated 2008 Restricted Stock Unit Plan and related award agreement.

When do Barbara Ann Sugg’s Hallador Energy (HNRG) RSUs vest?

The 5,375 Restricted Stock Units are scheduled to fully vest on May 27, 2027. Vesting is conditioned on her continued service through that date, and is also subject to the detailed terms and conditions of the company’s RSU plan and award agreement.

Did Barbara Ann Sugg buy or sell Hallador Energy (HNRG) shares in the market?

No open-market purchases or sales were reported. The Form 4 shows an “A” code transaction, meaning a grant or award. She acquired 5,375 Restricted Stock Units as compensation, not through buying or selling common stock on the open market.

What does each Hallador Energy (HNRG) Restricted Stock Unit granted to Barbara Ann Sugg represent?

Each RSU represents a contingent right to receive one share of Hallador Energy common stock. Actual shares will be delivered after vesting, in accordance with the Second Amended and Restated 2008 Restricted Stock Unit Plan and the specific award agreement’s terms.

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

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Accepted by SEC EDGAR 06/01/2026 - 02:38 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^*

Sugg Barbara Ann

(Last) (First) (Middle)

1183 EAST CANVASBACK DRIVE

(Street)

TERRE HAUTE INDIANA 47802

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HALLADOR ENERGY CO [ HNRG ]

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)
05/28/2026

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

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)	05/28/2026		A		5,375		(1)(2)	(1)(2)	Common Stock(1)	5,375	(1)	5,375	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

2. The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

	/s/ Barbara Ann Sugg	06/01/2026
	** 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)