Quest Resource (QRHC) director granted DSUs and holds RSUs, shares

Rhea-AI Filing Summary

Quest Resource Holding Corp director Sarah Tomolonius reported an equity award that increases her stake in the company. She acquired 1,988 deferred stock units (DSUs) of common stock at $1.76 per unit under the 2024 Incentive Compensation Plan. These DSUs convert into shares of common stock when she separates from service with the company.

After this grant, she holds a total of 43,710 DSUs across the company’s 2012 and 2024 incentive plans, all deliverable in stock upon separation. She also has separate non‑deferred equity interests totaling 44,335 common stock-related units, consisting of 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 24,335 shares of common stock that she beneficially owns.

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

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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^*

Tomolonius Sarah

(Last) (First) (Middle)

3481 PLANO PARKWAY

(Street)

THE COLONY TX 75056

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Quest Resource Holding Corp [ QRHC ]

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)
02/28/2026

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	02/28/2026		A		1,988(1)	A	$1.76	43,710(2)	D
Common Stock								44,335(3)	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. These reported securities represent deferred stock units ("DSUs") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer.

2. The reported securities include (a) 17,429 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 26,281 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer.

3. Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 24,335 shares of common stock beneficially owned by the Reporting Person.

	/s/ Brett W. Johnston, as Attorney-in-Fact	03/03/2026
	** 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 QRHC director Sarah Tomolonius report?

Director Sarah Tomolonius reported receiving an award of 1,988 deferred stock units of Quest Resource Holding Corp common stock at $1.76 per unit. These DSUs were granted under the 2024 Incentive Compensation Plan and will convert into shares when she leaves the company.

What are the terms of the new DSU grant reported at Quest Resource (QRHC)?

The filing shows a grant of 1,988 deferred stock units of common stock at $1.76 per unit. All DSUs granted under the company’s incentive plans are payable in shares of common stock upon the director’s separation from service with Quest Resource Holding Corp.

How many deferred stock units does Sarah Tomolonius now hold at QRHC?

After the reported grant, Sarah Tomolonius holds 43,710 deferred stock units in total. This includes 17,429 DSUs from the 2012 Incentive Compensation Plan and 26,281 DSUs from the 2024 plan, all settled in stock when her service ends.

What additional equity awards and shares does the QRHC director own?

Besides DSUs, the director’s reported holdings include 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 24,335 shares of common stock. Together these represent 44,335 common stock-related units directly beneficially owned.

When will the Quest Resource (QRHC) RSUs reported by the director vest?

The filing states the director holds 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026. Once vested, these RSUs convert into shares of Quest Resource Holding Corp common stock, increasing her directly owned share count.