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Quest Resource (QRHC) awards 23,661 RSUs to 10% owner Daniel Friedberg

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg received a grant of 23,661 restricted stock units (RSUs) of common stock on May 31, 2026 at a reference price of $1.18 per share under the 2024 Incentive Compensation Plan. These RSUs are scheduled to vest on May 31, 2027, each converting into one share of common stock when vested. After this award, Friedberg’s direct position in shares and RSUs totals 72,746, and he also holds 97,068 deferred stock units (DSUs) that will settle in shares upon his separation from service. In addition, an entity he controls, Hampstead Park Environmental Services Investment Fund LLC, holds 2,842,353 shares of Quest Resource common stock indirectly.

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Insider FRIEDBERG DANIEL M., Hampstead Park Capital Management, LLC, Hampstead Park Environmental Services Investment Fund LLC
Role Director, 10% Owner | 10% Owner | 10% Owner
Type Security Shares Price Value
Grant/Award Common Stock 23,661 $1.18 $28K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 169,814 shares (Direct); Common Stock — 2,842,353 shares (Indirect, By: Hampstead Park Environmental Services Investment Fund LLC)
Footnotes (4)
  1. F1. These reported securities represent restricted stock units ("RSUs") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs are scheduled to vest on May 31, 2027.
  2. F2. Includes (a) 23,661 RSUs that are scheduled to fully vest on May 31, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 29,085 shares of common stock beneficially owned by Mr. Friedberg.
  3. F3. The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 78,915 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer.
  4. F4. This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.
RSU grant 23,661 RSUs Granted May 31, 2026 under 2024 Incentive Compensation Plan
Grant reference price $1.18 per share RSU grant value reference on May 31, 2026
Direct equity and RSUs 72,746 units Shares and RSUs directly beneficially owned after grant
Deferred stock units 97,068 DSUs 18,153 DSUs (2012 plan) and 78,915 DSUs (2024 plan)
Indirect holdings 2,842,353 shares Common stock held by Hampstead Park Environmental Services Investment Fund LLC
Additional unvested RSUs 20,000 RSUs RSUs scheduled to fully vest on August 13, 2026
restricted stock units ("RSUs") financial
"These reported securities represent restricted stock units ("RSUs") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
deferred stock units ("DSUs") financial
"The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 78,915 DSUs granted under the Issuer's 2024 Incentive Compensation Plan."
2024 Incentive Compensation Plan financial
"These reported securities represent restricted stock units ("RSUs") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan."
2012 Incentive Compensation Plan financial
"The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 78,915 DSUs granted under the Issuer's 2024 Incentive Compensation Plan."
separation from service financial
"The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer."

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
FRIEDBERG DANIEL M.
(Last)(First)(Middle)
C/O QUEST RESOURCE HOLDING CORPORATION
433 E. LAS COLINAS BOULEVARD, SUITE 675
(Street)
IRVING TEXAS 75039
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Quest Resource Holding Corp [ QRHC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/31/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/31/2026A23,661(1)A$1.1872,746(2)D
Common Stock97,068(3)D
Common Stock2,842,353IBy: Hampstead Park Environmental Services Investment Fund LLC(4)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
FRIEDBERG DANIEL M.
(Last)(First)(Middle)
C/O QUEST RESOURCE HOLDING CORPORATION
433 E. LAS COLINAS BOULEVARD, SUITE 675
(Street)
IRVING TEXAS 75039
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Hampstead Park Capital Management, LLC
(Last)(First)(Middle)
6 LIGHTHOUSE LANE
(Street)
OLD GREENWICH CONNECTICUT 06870
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Hampstead Park Environmental Services Investment Fund LLC
(Last)(First)(Middle)
6 LIGHTHOUSE LANE
(Street)
OLD GREENWICH CONNECTICUT 06870
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. These reported securities represent restricted stock units ("RSUs") granted on May 31, 2026 under the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs are scheduled to vest on May 31, 2027.
2. Includes (a) 23,661 RSUs that are scheduled to fully vest on May 31, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 29,085 shares of common stock beneficially owned by Mr. Friedberg.
3. The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 78,915 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer.
4. This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.
/s/ Daniel Friedberg06/02/2026
Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer06/02/2026
Hampstead Park Environmental Services Investment Fund LLC; By: Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer06/02/2026
** Signature of Reporting PersonDate
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