Quest Resource Form 4 Filings

Quest Resource Holding Corp (symbol: QRHC) is the issuer of record for a Form 4 filing submitted to the SEC. Nolan Stephen A reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp (QRHC) reported that director Stephen A. Nolan received a grant of 2,500 restricted stock units (RSUs)

Quest Resource Holding Corp (symbol: QRHC) is the issuer of record for a Form 4 filing submitted to the SEC. Lipstein Robert J reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp (QRHC) director Robert J. Lipstein received an equity award on August 31, 2026. He was granted 2,500 restricted stock units (RSUs) under the company’s 2024 Incentive Compensation Plan at a stated value of $1.40 per unit. Each RSU represents a contingent right to one share of common stock and is scheduled to vest on March 1, 2027. After this grant, Lipstein has an aggregate interest in 88,265 shares and RSUs, including RSUs vesting in March and August 2027 and 48,500 shares of common stock beneficially owned.

Quest Resource Holding Corp (symbol: QRHC) is the issuer of record for a Form 4 filing submitted to the SEC. FRIEDBERG DANIEL M. reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp (QRHC) reports that director and ten percent owner Daniel M. Friedberg received a grant of 19,942 restricted stock units on August 31, 2026 under the 2024 Incentive Compensation Plan at a reference value of $1.40 per share. Each RSU represents one share of common stock and is scheduled to vest on March 1, 2027. Following this grant, Friedberg’s direct equity interests include 87,745 RSUs vesting March 1, 2027, 28,767 RSUs vesting August 13, 2027, and 49,085 shares of common stock, with no Rule 10b5-1 plan reported.

Quest Resource Holding Corp (symbol: QRHC) is the issuer of record for a Form 4 filing submitted to the SEC. Dunning Audrey reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp (QRHC) director Audrey Dunning received an equity award of 2,500 restricted stock units (RSUs) of common stock on August 31, 2026 under the 2024 Incentive Compensation Plan at a reference value of $1.40 per share. Each RSU represents a contingent right to one share that is scheduled to vest on March 1, 2027. After this award, her beneficial holdings include 10,998 RSUs vesting March 1, 2027, 28,767 RSUs vesting August 13, 2027, and 52,485 shares of common stock, plus separate deferred stock units to be settled upon her separation from service. No Rule 10b5-1 trading plan is reported for these transactions.

Quest Resource Holding Corp (QRHC) director Glenn Culpepper received an equity award of 2,500 restricted stock units (RSUs) of common stock on August 31, 2026 under the company’s 2024 Incentive Compensation Plan, valued at $1.40 per share. Each RSU represents a contingent right to one common share and is scheduled to vest on March 1, 2027. After this grant, his reported equity interests include additional RSUs with later vesting dates, common shares beneficially owned, and deferred stock units that will convert into shares upon his separation from service.

Quest Resource Holding Corp director Sarah Tomolonius reported an acquisition of 28,767 shares of common stock in the form of restricted stock units (RSUs) granted on August 13, 2026 under the 2024 Incentive Compensation Plan at a reference value of $1.46 per share. Each RSU represents a contingent right to one share of common stock and is scheduled to fully vest on August 13, 2027. After this grant, her equity exposure includes additional unvested RSUs, deferred stock units (DSUs), and previously owned common shares.

Quest Resource Holding Corp director Stephen A. Nolan received a grant of 28,767 restricted stock units (RSUs) of common stock on August 13, 2026 under the company’s 2024 Incentive Compensation Plan at a reference value of $1.46 per share. Each RSU represents a right to receive one share of common stock and is scheduled to vest on August 13, 2027. After this grant, Nolan’s equity position includes 8,498 RSUs vesting March 1, 2027, 28,767 RSUs vesting August 13, 2027, and 112,585 shares of common stock, plus deferred stock units that will convert into shares upon his separation from service.

Quest Resource Holding Corp reported equity compensation and a related tax/exercise settlement for President and CEO Perry W. Moss. On August 13, 2026, Moss had 9,683 shares of common stock delivered or withheld at $1.46 per share for payment of exercise price or tax liability. The same day, he received a grant of 342,465 restricted stock units (RSUs) under the 2024 Incentive Compensation Plan at a reference value of $1.46 per share. Each RSU represents a contingent right to one share of common stock, vesting in three equal installments on the first, second, and third anniversaries of the grant date.

Lipstein Robert J reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Robert J. Lipstein reported an equity compensation grant. He received 28,767 restricted stock units (RSUs) of common stock on August 13, 2026 at a value reference of $1.46 per share under the 2024 Incentive Compensation Plan. These RSUs are scheduled to vest on August 13, 2027. Following this award, he reports beneficial ownership of 85,765 shares and RSUs in total, including 8,498 RSUs vesting March 1, 2027, 28,767 RSUs vesting August 13, 2027, and 48,500 shares of common stock.

Quest Resource Holding Corp’s Sr. VP of Finance and CFO, Brett Wade Johnston, reported equity compensation and a related share withholding. On August 13, 2026, he received a grant of 100,000 restricted stock units (RSUs) under the 2024 Incentive Compensation Plan, vesting in three equal installments on August 13, 2027, 2028, and 2029. On the same date, 3,246 shares of common stock were delivered or withheld at $1.46 per share for payment of exercise price or tax liability. Following these transactions, his beneficial holdings include RSUs scheduled to vest in 2027–2029, 5,767 deferred stock units (DSUs), and 49,380 shares of common stock.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg reported an acquisition of 28,767 shares of common stock in the form of restricted stock units (RSUs) on August 13, 2026 at a reference value of $1.46 per share, granted under the 2024 Incentive Compensation Plan. These RSUs are scheduled to vest on August 13, 2027. Following this grant, his direct equity-related position includes 67,803 RSUs vesting March 1, 2027, the newly granted 28,767 RSUs vesting August 13, 2027, and 49,085 shares of common stock. He also holds 18,153 and 78,915 deferred stock units under prior plans, payable in shares upon separation from service, and has indirect beneficial ownership of 2,842,353 shares through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC and Mr. Friedberg.

Quest Resource Holding Corp director Audrey Dunning received a grant of 28,767 restricted stock units (RSUs) of common stock on August 13, 2026 under the 2024 Incentive Compensation Plan at a reference value of $1.46 per share. Each RSU represents a contingent right to one share of common stock and is scheduled to vest on August 13, 2027. Following this grant, her equity position includes 8,498 RSUs scheduled to vest on March 1, 2027, 28,767 RSUs scheduled to vest on August 13, 2027, and 52,485 shares of common stock beneficially owned. She also holds deferred stock units (DSUs) that will convert into common shares upon her separation from service with the company.

Quest Resource Holding Corp (QRHC) director Glenn Culpepper reported an equity award on August 13, 2026. He received 28,767 restricted stock units (RSUs) valued at $1.46 per share under the 2024 Incentive Compensation Plan, scheduled to vest on August 13, 2027. Following this grant, his reported holdings include 8,498 RSUs vesting March 1, 2027, 28,767 RSUs vesting August 13, 2027, and 61,585 shares of common stock. A separate holding entry notes 15,000 and 6,629 deferred stock units (DSUs) that will convert into common shares upon his separation from service.

Tomolonius Sarah reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Sarah Tomolonius reported an equity award of 2,755 restricted stock units (RSUs) on July 31, 2026, with a reported value of $1.27 per share. These RSUs are scheduled to vest on March 1, 2027. Her reported beneficial holdings include 8,498 additional RSUs vesting March 1, 2027, 20,000 RSUs vesting August 13, 2026, and 24,335 shares of common stock, plus deferred stock units that will be settled in shares upon separation from service.

Nolan Stephen A reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Stephen A. Nolan reported an equity compensation grant, not an open‑market trade. On July 31, 2026 he received 2,755 restricted stock units (RSUs), each representing one share of common stock, at a reference value of 1.2700 per share under the 2024 Incentive Compensation Plan. These RSUs are scheduled to vest on March 1, 2027. Following this award he holds 8,498 RSUs vesting March 1, 2027, 20,000 RSUs vesting August 13, 2026, and 92,585 common shares beneficially owned, including 5,000 held jointly with his spouse, plus additional deferred stock units that will settle in shares upon his separation from service.

Lipstein Robert J reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Robert J. Lipstein received a grant of 2,755 shares of Common Stock in the form of restricted stock units on July 31, 2026 under the 2024 Incentive Compensation Plan. Each RSU represents one share of common stock and is scheduled to vest on March 1, 2027. After this award, he beneficially holds 56,998 shares and RSUs, including 8,498 RSUs vesting March 1, 2027, 20,000 RSUs vesting August 13, 2026, and 28,500 shares of common stock.

FRIEDBERG DANIEL M. reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Daniel M. Friedberg reported a grant of 21,984 restricted stock units (RSUs) of common stock on July 31, 2026 at $1.27 per unit under the 2024 Incentive Compensation Plan. Each RSU represents a contingent right to one share, scheduled to vest on March 1, 2027. Following this grant, his direct holdings include 67,803 RSUs vesting March 1, 2027, 20,000 RSUs vesting August 13, 2026 and 29,085 common shares. He also holds 18,153 DSUs under the 2012 plan and 78,915 DSUs under the 2024 plan, with shares issuable upon separation from service. In addition, 2,842,353 shares are held indirectly through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC, where Friedberg is Chief Executive Officer.

Dunning Audrey reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Audrey Dunning received a grant of 2,755 restricted stock units (RSUs) of common stock on July 31, 2026 under the 2024 Incentive Compensation Plan, with a reported transaction price of $1.27 per share. These RSUs are scheduled to vest on March 1, 2027.

After this award, her reported holdings include 8,498 RSUs vesting March 1, 2027, 20,000 RSUs vesting August 13, 2026, and 32,485 shares of common stock. She also holds deferred stock units whose underlying shares will be issued upon her separation from service with Quest Resource.

Culpepper Glenn reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Glenn Culpepper received 2,755 restricted stock units of common stock on July 31, 2026 at a reported price of $1.27 per share under the 2024 Incentive Compensation Plan. These RSUs vest on March 1, 2027. His equity interests also include additional RSUs, deferred stock units and 41,585 common shares.

Tomolonius Sarah reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Tomolonius reported receiving a grant of 2,777 shares of common stock as restricted stock units at $1.26 per share on June 30, 2026 under the 2024 Incentive Compensation Plan. These RSUs are scheduled to vest on March 1, 2027.

After this grant, direct holdings total 50,078 shares, including 5,743 RSUs vesting on March 1, 2027, 20,000 RSUs vesting on August 13, 2026, and 24,335 shares of common stock. The filing also notes 17,429 DSUs from the 2012 plan and 26,281 DSUs from the 2024 plan, to be settled in shares upon separation from service.

Quest Resource Holding Corp director Stephen A. Nolan received an equity award of 2,777 restricted stock units (RSUs) of common stock on June 30, 2026. The RSUs were granted under the company’s 2024 Incentive Compensation Plan at a reference price of $1.26 per share and are scheduled to vest on March 1, 2027, each delivering one common share upon vesting.

Following this grant and related holdings, Nolan directly beneficially owns 118,328 shares of common stock and also holds additional RSUs and deferred stock units that will convert into shares in the future under the company’s incentive plans.

Lipstein Robert J reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Robert J. Lipstein received an award of 2,777 shares of common stock as restricted stock units at $1.26 per share. The RSUs were granted under the company’s 2024 Incentive Compensation Plan and are scheduled to vest on March 1, 2027.

After this grant, Lipstein beneficially owns 54,243 shares in total, including RSUs and common shares. This consists of 5,743 RSUs scheduled to fully vest on March 1, 2027, 20,000 RSUs scheduled to fully vest on August 13, 2026, and 28,500 shares of common stock.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg received a grant of 22,158 restricted stock units (RSUs) on common stock at $1.26 per share. The RSUs were granted under the company’s 2024 Incentive Compensation Plan and are scheduled to vest on March 1, 2027, each RSU converting into one share upon vesting.

After this grant, Friedberg’s reported direct holdings total 94,904 common shares and RSUs, including blocks that vest on August 13, 2026 and March 1, 2027, plus already owned shares. He also holds deferred stock units that will convert to shares upon his separation from service, and an affiliated fund, Hampstead Park Environmental Services Investment Fund LLC, is reported as indirectly holding 2,842,353 common shares.

Quest Resource Holding Corp director Audrey Dunning reported equity awards and updated holdings. She received 2,777 restricted stock units (RSUs) of common stock on June 30, 2026 at $1.26 per share under the 2024 Incentive Compensation Plan. Each RSU converts into one share upon vesting, scheduled for March 1, 2027.

After this grant, Dunning beneficially owns 58,228 shares and RSUs in total, including 5,743 RSUs vesting on March 1, 2027, 20,000 RSUs vesting on August 13, 2026, and 32,485 shares of common stock. A separate line reflects 1,893 deferred stock units, which will be settled in shares when she separates from service. The filing reflects compensation-related share awards rather than open-market buying or selling.

Quest Resource Holding Corp director Glenn Culpepper received an equity award of 2,777 restricted stock units on common stock at $1.26 per share. These RSUs were granted on June 30, 2026 under the company’s 2024 Incentive Compensation Plan and are scheduled to vest on March 1, 2027.

Following the award, Culpepper has 67,328 shares of common stock reported as directly owned, including previously granted RSUs and deferred stock units that will convert into shares upon vesting or upon his separation from service.

Quest Resource Holding Corp President and CEO Perry W. Moss reported a tax-withholding disposition of 1,936 shares of common stock on June 26 at a price of $1.24 per share. This was not an open-market sale but shares delivered to cover tax obligations.

After this transaction, he beneficially owns 349,482 shares, including 6,667 restricted stock units scheduled to vest on June 26, 2027, 143,067 RSUs vesting in two equal installments on March 12, 2027 and March 12, 2028, 25,651 deferred stock units issuable upon separation from service, 100,000 RSUs vesting in three equal installments starting August 13, 2026, and 74,097 shares of common stock.

Quest Resource Holding Corp Sr. VP of Finance and CFO Brett Wade Johnston had 1,623 shares of common stock withheld on June 26, 2026 at $1.24 per share to cover tax obligations. After this tax-withholding disposition, he directly holds 91,727 common shares, including RSUs, DSUs and owned shares.

Quest Resource Holding Corp director Sarah Tomolonius reported an equity grant of 2,966 shares of common stock at $1.18 per share. The award is classified as a grant or other acquisition and increased her directly held position to 46,676 shares of common stock.

Footnotes explain that her broader equity interest also includes deferred stock units granted under the 2012 and 2024 Incentive Compensation Plans, which will convert into common stock upon her separation from service, as well as 20,000 restricted stock units scheduled to fully vest on August 13, 2026.

Nolan Stephen A reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Stephen A. Nolan reported an equity award of 2,966 restricted stock units (RSUs). The RSUs were granted on May 31, 2026 under the company’s 2024 Incentive Compensation Plan at a reference price of $1.18 per share and are scheduled to vest on May 31, 2027.

Following this grant, Nolan directly holds 115,551 equity interests in total, including 2,966 RSUs vesting on May 31, 2027, 20,000 RSUs vesting on August 13, 2026, and 92,585 shares of common stock, of which 5,000 are held jointly with his spouse. His reported holdings also include 63,059 deferred stock units (DSUs) from the 2012 plan and 32,361 DSUs from the 2024 plan, with common shares underlying these DSUs issuable upon his separation from service.

Quest Resource Holding Corp director Robert J. Lipstein reported a new equity grant and updated holdings. He received 2,966 deferred stock units, or DSUs, of common stock at $1.18 per share under the company’s 2024 Incentive Compensation Plan. These DSUs will convert into shares of common stock when he separates from service with the company.

After this update, his reported beneficial interest includes 20,000 restricted stock units scheduled to fully vest on August 13, 2026, and 28,500 shares of common stock. Together, these positions reflect 48,500 shares of common stock tied to his direct equity compensation and ownership.

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.

Quest Resource Holding Corp director Audrey Dunning reported an equity award and updated holdings. On May 31, 2026, she received 2,966 restricted stock units (RSUs) of common stock at $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. After this grant, she holds 55,451 equity-based interests, including 2,966 RSUs vesting on May 31, 2027, 20,000 RSUs vesting on August 13, 2026, and 32,485 shares of common stock beneficially owned. The filing also notes deferred stock units (DSUs) whose underlying shares will be issued when she separates from service.

Quest Resource Holding Corp director Glenn Culpepper received a stock-based compensation award rather than buying shares on the market. He was granted 2,966 restricted stock units (RSUs) on May 31, 2026 at a reference price of $1.18 per share under the company’s 2024 Incentive Compensation Plan.

Each RSU represents the right to receive one share of common stock when it vests, and these RSUs are scheduled to fully vest on May 31, 2027. Following this grant, Culpepper directly beneficially owns 64,551 common shares and RSUs, including 20,000 RSUs scheduled to vest on August 13, 2026 and 41,585 already-owned common shares, plus 21,629 deferred stock units that will convert to shares when he leaves service.

Quest Resource Holding Corp director Stephen A. Nolan received 3,097 shares of Common Stock as a grant under the company’s 2024 Incentive Compensation Plan. The award was priced at $1.13 per share and is classified as a grant or other acquisition rather than an open-market purchase.

After this grant, Nolan directly holds 95,420 shares of common stock, including 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 92,585 shares beneficially owned, of which 5,000 are held jointly with his spouse. He also holds deferred stock units under the company’s 2012 and 2024 incentive plans that will convert into shares when he separates from service.

FRIEDBERG DANIEL M. reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg reported a compensation-related stock award. He received 13,289 deferred stock units (DSUs) of common stock at $1.13 per unit under the company’s 2024 Incentive Compensation Plan, with shares to be issued when he separates from service.

After this grant, he is credited with 97,068 DSUs in total, all deliverable in common stock upon separation. Separately, he holds 49,085 shares of common stock directly, including 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 29,085 shares beneficially owned, and 2,842,353 shares indirectly through Hampstead Park Environmental Services Investment Fund LLC.

Quest Resource Holding Corp President and CEO Perry W. Moss received a grant of 20,114 deferred stock units at $1.18 per unit. These DSUs were issued under the company’s 2024 Incentive Compensation Plan and will convert into common shares when he separates from service.

After this award, Moss directly holds 351,418 share units, including several tranches of restricted stock units and DSUs with scheduled vesting dates through 2028, plus 69,367 shares of common stock that he already beneficially owns.

Johnston Brett Wade reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp reported that Sr. VP of Finance and CFO Brett Wade Johnston received a grant of 5,767 deferred stock units on common stock valued at $1.18 per unit under the 2024 Incentive Compensation Plan.

The common shares underlying these DSUs will be issued when he separates from the company. After this grant, he beneficially owns 93,350 share equivalents, including restricted stock units scheduled to vest between June 2026 and August 2028 and 34,250 shares of common stock.

Quest Resource Holding Corp director Stephen A. Nolan received an equity award of 2,941 deferred stock units at $1.19 per unit. These DSUs were granted under the company’s 2024 Incentive Compensation Plan and will convert into common shares when he separates from service with the company.

After this grant, he directly holds 92,323 shares of common stock. His position also includes 63,059 DSUs from the 2012 plan, 29,264 DSUs from the 2024 plan, and 20,000 RSUs scheduled to fully vest on August 13, 2026, for a total of 112,585 shares and RSUs reported as beneficially owned.

FRIEDBERG DANIEL M. reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg received 12,619 deferred stock units (DSUs) of common stock at $1.19 per share under the company’s 2024 Incentive Compensation Plan. The shares underlying these DSUs will be issued when he separates from service with the company.

After this grant, Friedberg holds 83,779 DSUs in total, including 18,153 DSUs from the 2012 plan and 65,626 DSUs from the 2024 plan. He also has 49,085 direct common share interests, made up of 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 29,085 shares of common stock, plus 2,842,353 shares held indirectly through Hampstead Park Environmental Services Investment Fund LLC.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg bought 8,500 shares of common stock in an open-market purchase at $0.87 per share. After this transaction, he directly holds 49,085 common shares, which include restricted stock units scheduled to vest on August 13, 2026.

Separate entries show 71,160 deferred stock units that will convert into common shares upon his separation from service, and 2,842,353 shares held indirectly through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC with Mr. Friedberg as CEO.

Quest Resource Holding Corp director Robert J. Lipstein reported an open-market purchase of 11,000 shares of common stock on March 18, 2026 at an average price of 0.8961 per share. Following this trade, he directly holds 48,500 common shares, including 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 28,500 shares of common stock beneficially owned.

Quest Resource Holding Corp director Glenn Culpepper bought additional shares of the company’s stock. On March 16, 2026, he made an open-market purchase of 5,000 shares of common stock at a price of $1.16 per share.

Following this transaction, Culpepper directly owns 61,585 shares of common stock. His holdings also include 20,000 restricted stock units scheduled to fully vest on August 13, 2026, plus 15,000 deferred stock units and 6,629 additional deferred stock units that will convert into common shares upon his separation from service.

Quest Resource Holding Corp President and CEO Perry W. Moss reported a tax-related share disposition. On March 12, he had 24,571 shares of common stock withheld at $1.45 per share to cover tax obligations by delivering securities.

After this transaction, he directly holds 331,304 shares of common stock. This includes 13,333 restricted stock units scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, 143,067 RSUs vesting in two equal installments on March 12, 2027 and March 12, 2028, 5,537 deferred stock units issuable upon separation from service, 100,000 RSUs vesting in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028, and 69,367 shares of common stock beneficially owned.

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.

Nolan Stephen A reported acquisition or exercise transactions in this Form 4 filing.

Quest Resource Holding Corp director Stephen A. Nolan received an equity award in the form of deferred stock units. He was granted 1,988 units of common stock at a reference price of $1.76 per share under the company’s 2024 Incentive Compensation Plan.

The deferred stock units will settle in actual shares of common stock only when he separates from service with the company. Following this grant, his reported holdings include deferred stock units from both the 2012 and 2024 plans, plus 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 92,585 shares of common stock, including 5,000 held jointly with his spouse.

Quest Resource Holding Corp director and 10% owner Daniel M. Friedberg reported an equity award of 8,532 deferred stock units (DSUs) at $1.76 per unit. These DSUs were granted under the company’s 2024 Incentive Compensation Plan and will convert into common shares when he separates from service.

Following this grant, Friedberg holds 71,160 DSUs in total, including prior awards under the 2012 and 2024 incentive plans. He also has 20,000 restricted stock units scheduled to fully vest on August 13, 2026, and 20,585 shares of common stock held directly. In addition, 2,842,353 common shares are held indirectly through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC, where Friedberg serves as Chief Executive Officer.

Quest Resource Holding Corp director and 10% owner Daniel Friedberg was granted 6,984 deferred stock units (DSUs) on January 31, 2026 at $2.15 per underlying share under the company’s 2024 Incentive Compensation Plan.

After this grant, he beneficially owns 62,628 DSUs, including DSUs from both the 2012 and 2024 plans, plus 40,585 common-share-related interests, which include 20,000 RSUs scheduled to fully vest on August 13, 2026 and 20,585 common shares. Separately, 2,842,353 common shares are held indirectly through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC and Mr. Friedberg.

Quest Resource Holding Corp director Stephen A. Nolan reported receiving 1,627 shares of common stock as deferred stock units at a price of $2.15 per share under the company’s 2024 Incentive Compensation Plan. These deferred stock units will convert into common stock when he separates from service with the company.

After this grant, his directly held position reported in this filing includes 87,394 common shares linked to deferred stock units. In addition, his beneficial holdings reported separately total 112,585 common shares, including 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 92,585 common shares, of which 5,000 are held jointly with his spouse.

Quest Resource Holding Corp director Sarah Tomolonius reported receiving 1,627 deferred stock units (DSUs) of common stock on January 31, 2026 at a reference price of $2.15 per share under the company’s 2024 Incentive Compensation Plan.

After this grant, Tomolonius holds 41,722 DSUs in total, consisting of awards under both the 2012 and 2024 incentive plans. The common shares underlying these DSUs will be issued only when she separates from service with the company.

She is also shown as beneficially owning 44,335 shares of common stock directly, which include 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 24,335 currently owned shares.