QRHC

SEC source: 0001193805-26-001326 · e665817_4-culpepper.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,923

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 61,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0001193805-26-001327 · e665818_4-dunning.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,823

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 52,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0001193805-26-001328 · e665819_4-friedberg.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,126

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 108,274 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 49,085 shares of common stock beneficially owned by Mr. Friedberg.

SEC source: 0001193805-26-001329 · e665820_4-lipstein.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,838

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 48,500 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0001193805-26-001330 · e665821_4-nolan.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,923

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 112,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0001193805-26-001331 · e665822_4-tomolonius.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,673

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on September 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 44,335 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002465 · form412364002tom_09022026.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,100

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 10,998 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 44,335 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002464 · form412364002nol_09022026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,350

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 10,998 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 112,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-26-002463 · form412364002lip_09022026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,265

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 10,998 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 48,500 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002462 · form412364002fri_09022026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,597

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 87,745 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 49,085 shares of common stock beneficially owned by Mr. Friedberg.

SEC source: 0000921895-26-002461 · form412364002dun_09022026.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,250

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 10,998 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 52,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002460 · form412364002cul_09022026.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,350

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 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 March 1, 2027.

F2 · balance_after: Includes (a) 10,998 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 61,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002228 · form412364002mos_08172026.xml · nonDerivative · entry 2

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 682,264

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date.

F2 · balance_after: Includes (a) 6,667 RSUs that are scheduled to vest on June 26, 2027, (b) 143,067 RSUs that are scheduled to vest in two equal installments on March 12, 2027 and March 12, 2028, (c) 25,651 deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer), (d) 66,667 RSUs that are scheduled to vest in two equal installments on August 13, 2027 and August 13, 2028, (e) 342,465 RSUs that are scheduled to vest in three equal instalments on August 13, 2027, August 13, 2028 and August 13, 2029 and (f) 97,747 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002228 · form412364002mos_08172026.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,799

SEC source: 0000921895-26-002230 · form412364002tom_08172026.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,600

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 44,335 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002225 · form412364002fri_08172026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,655

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 67,803 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 49,085 shares of common stock beneficially owned by Mr. Friedberg.

SEC source: 0000921895-26-002229 · form412364002nol_08172026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,850

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 112,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-26-002227 · form412364002lip_08172026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,765

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 48,500 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002226 · form412364002joh_08172026.xml · nonDerivative · entry 2

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,481

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date.

F2 · balance_after: Includes (a) 6,667 RSUs that are scheduled to vest on June 26, 2027, (b) 26,667 RSUs that are scheduled to vest in two equal installments on August 13, 2027 and August 13, 2028, (c) 100,000 RSUs that are scheduled to vest in three equal installments on August 13, 2027, August 13, 2028 and August 13, 2029, (d) 5,767 deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (e) 49,380 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002226 · form412364002joh_08172026.xml · nonDerivative · entry 1

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,481

SEC source: 0000921895-26-002224 · form412364002dun_08172026.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,750

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 52,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-002223 · form412364002cul_08172026.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,850

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on August 13, 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 August 13, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 61,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001965 · form412364002tom_08042026.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,833

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 24,335 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001962 · form412364002fri_08042026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,888

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 67,803 RSUs that are scheduled to fully vest on March 1, 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.

SEC source: 0000921895-26-001964 · form412364002nol_08042026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,083

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 92,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-26-001963 · form412364002lip_08042026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,998

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 28,500 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001961 · form412364002dun_08042026.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,983

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 32,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001960 · form412364002cul_08042026.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,083

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on July 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 March 1, 2027.

F2 · balance_after: Includes (a) 8,498 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 41,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001738 · form412364002tom_07022026.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,078

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 5,743 RSUs that are scheduled to fully vest on March 1, 2027, of which 2,966 RSUs had previously been inadvertently reported as deferred stock units, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 24,335 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001735 · form412364002fri_07022026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,904

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 45,819 RSUs that are scheduled to fully vest on March 1, 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.

SEC source: 0000921895-26-001737 · form412364002nol_07022026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,328

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 5,743 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 92,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-26-001736 · form412364002lip_07022026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,243

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 5,743 RSUs that are scheduled to fully vest on March 1, 2027, of which 2,966 RSUs had previously been inadvertently reported as deferred stock units, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 28,500 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001734 · form412364002dun_07022026.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,228

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 5,743 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 32,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001733 · form412364002cul_07022026.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,328

F1 · shares: These reported securities represent restricted stock units ("RSUs") granted on June 30, 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 March 1, 2027.

F2 · balance_after: Includes (a) 5,743 RSUs that are scheduled to fully vest on March 1, 2027, (b) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (c) 41,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001703 · form412364002mos_06302026.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 349,482

F1 · balance_after: Includes (a) 6,667 restricted stock units ("RSUs") that are scheduled to vest on June 26, 2027, (b) 143,067 RSUs that are scheduled to vest in two equal installments on March 12, 2027 and March 12, 2028, (c) 25,651 deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer), (d) 100,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (e) 74,097 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001702 · form412364002joh_06302026.xml · nonDerivative · entry 1

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,727

F1 · balance_after: Includes (a) 6,667 restricted stock units ("RSUs") that are scheduled to vest on June 26, 2027, (b) 40,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028, (c) 5,767 deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (d) 39,293 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001539 · form412364002tom_06022026.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,676

F1 · shares: 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.

F2 · balance_after: The reported securities include (a) 17,429 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 29,247 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.

SEC source: 0000921895-26-001536 · form412364002fri_06022026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,746

F1 · shares: 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.

F2 · balance_after: 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.

SEC source: 0000921895-26-001538 · form412364002nol_06022026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,551

F1 · shares: 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.

F2 · balance_after: Includes (a) 2,966 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) 92,585 shares of common stock beneficially owned by the Reporting Person, of which 5,000 are held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-26-001537 · form412364002lip_06022026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,966

F1 · shares: 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.

SEC source: 0000921895-26-001535 · form412364002dun_06022026.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,451

F1 · shares: 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.

F2 · balance_after: Includes (a) 2,966 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) 32,485 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001534 · form412364002cul_06022026.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,551

F1 · shares: 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.

F2 · balance_after: Includes (a) 2,966 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) 41,585 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-001149 · form412364002fri_05042026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,068

F1 · shares: 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 Mr. Friedberg's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,153 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.

SEC source: 0000921895-26-001150 · form412364002nol_05042026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,420

F1 · shares: 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.

F2 · balance_after: The reported securities include (a) 63,059 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 32,361 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.

SEC source: 0000921895-26-000943 · form412364002mos_04072026.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,418

F1 · shares: 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.

F2 · balance_after: Includes (a) 13,333 restricted stock units ("RSUs") that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 143,067 RSUs that are scheduled to vest in two equal installments on March 12, 2027 and March 12, 2028 (c) 25,651 DSUs (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer), (d) 100,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028 and (e) 69,367 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-000942 · form412364002joh_04072026.xml · nonDerivative · entry 1

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,350

F1 · shares: 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.

F2 · balance_after: Includes (a) 13,333 restricted stock units ("RSUs") that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 40,000 RSUs that are scheduled to vest in three equal installments on August 13, 2026, August 13, 2027 and August 13, 2028, (c) 5,767 DSUs (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (d) 34,250 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-26-000898 · form412364002fri_04022026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,779

F1 · shares: 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 Mr. Friedberg's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,153 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 65,626 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.

SEC source: 0000921895-26-000899 · form412364002nol_04022026.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,323

F1 · shares: 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.

F2 · balance_after: The reported securities include (a) 63,059 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 29,264 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.

SEC source: 0000921895-26-000772 · form412364002_03232026.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,085

F1 · balance_after: Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026 and (b) 29,085 shares of common stock beneficially owned by Mr. Friedberg.

SEC source: 0000921895-26-000750 · form412364002_03192026.xml · nonDerivative · entry 1

Lipstein Robert J · CIK 0001701946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,500

F1 · balance_after: Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026 and (b) 28,500 shares of common stock beneficially owned by the Reporting Person.