KWR

SEC source: 0002053776-25-000004 · wk-form4_1766006447.xml · nonDerivative · entry 1

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 806

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0002059160-25-000004 · wk-form4_1766006419.xml · derivative · entry 5

Moreno Hernandez Miguel · CIK 0002059160 · SVP, Reg Comm Lead-EMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10 shares

Expires 2025-12-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0002059160-25-000004 · wk-form4_1766006419.xml · derivative · entry 4

Moreno Hernandez Miguel · CIK 0002059160 · SVP, Reg Comm Lead-EMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 278 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: On December 15, 2022, the reporting person was granted 555 time-based restricted stock units, vesting 50% on June 15, 2024 and 50% on December 15, 2025.

F3 · derivative.expiration_date: On December 15, 2022, the reporting person was granted 555 time-based restricted stock units, vesting 50% on June 15, 2024 and 50% on December 15, 2025.

SEC source: 0002059160-25-000004 · wk-form4_1766006419.xml · nonDerivative · entry 3

Moreno Hernandez Miguel · CIK 0002059160 · SVP, Reg Comm Lead-EMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,942

SEC source: 0002059160-25-000004 · wk-form4_1766006419.xml · nonDerivative · entry 2

Moreno Hernandez Miguel · CIK 0002059160 · SVP, Reg Comm Lead-EMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,085

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0002059160-25-000004 · wk-form4_1766006419.xml · nonDerivative · entry 1

Moreno Hernandez Miguel · CIK 0002059160 · SVP, Reg Comm Lead-EMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,075

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0002089257-25-000009 · wk-form4_1766006381.xml · derivative · entry 5

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6 shares

Expires 2025-12-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0002089257-25-000009 · wk-form4_1766006381.xml · derivative · entry 4

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 172 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: On December 15, 2022, the reporting person was granted 344 time-based restricted stock units, vesting 50% on June 15, 2024 and 50% on December 15, 2025.

F3 · derivative.expiration_date: On December 15, 2022, the reporting person was granted 344 time-based restricted stock units, vesting 50% on June 15, 2024 and 50% on December 15, 2025.

SEC source: 0002089257-25-000009 · wk-form4_1766006381.xml · nonDerivative · entry 3

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 611

SEC source: 0002089257-25-000009 · wk-form4_1766006381.xml · nonDerivative · entry 2

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 696

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0002089257-25-000009 · wk-form4_1766006381.xml · nonDerivative · entry 1

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 690

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · derivative · entry 6

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,267

Underlying: Common Stock · 9,267 shares

Expires not disclosed

F5 · derivative.exercise_price: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.exercise_price: See Note 3 in Exhibit 99.1.

F5 · kind: See Note 1 and 1(d) in Exhibit 99.1.

F6 · kind: See Note 3 in Exhibit 99.1.

F5 · price: See Note 1 and 1(d) in Exhibit 99.1.

F6 · price: See Note 3 in Exhibit 99.1.

F5 · derivative.exercise_date: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.exercise_date: See Note 3 in Exhibit 99.1.

F5 · derivative.expiration_date: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.expiration_date: See Note 3 in Exhibit 99.1.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · derivative · entry 5

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,900

Underlying: Common Stock · 13,900 shares

Expires not disclosed

F4 · derivative.exercise_price: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.exercise_price: See Note 3 in Exhibit 99.1.

F4 · kind: See Note 1 and 1(c) in Exhibit 99.1.

F6 · kind: See Note 3 in Exhibit 99.1.

F4 · price: See Note 1 and 1(c) in Exhibit 99.1.

F6 · price: See Note 3 in Exhibit 99.1.

F4 · derivative.exercise_date: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.exercise_date: See Note 3 in Exhibit 99.1.

F4 · derivative.expiration_date: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.expiration_date: See Note 3 in Exhibit 99.1.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · derivative · entry 4

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,133

Underlying: Common Stock · 128,133 shares

Expires not disclosed

F2 · derivative.exercise_price: See Note 2 in Exhibit 99.1.

F3 · derivative.exercise_price: See Note 1 and 1(b) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F3 · kind: See Note 1 and 1(b) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F3 · price: See Note 1 and 1(b) in Exhibit 99.1.

F2 · derivative.exercise_date: See Note 2 in Exhibit 99.1.

F3 · derivative.exercise_date: See Note 1 and 1(b) in Exhibit 99.1.

F2 · derivative.expiration_date: See Note 2 in Exhibit 99.1.

F3 · derivative.expiration_date: See Note 1 and 1(b) in Exhibit 99.1.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · derivative · entry 3

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,200

Underlying: Common Stock · 192,200 shares

Expires not disclosed

F1 · derivative.exercise_price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.exercise_price: See Note 2 in Exhibit 99.1.

F1 · kind: See Note 1 and 1(a) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F1 · price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F1 · derivative.exercise_date: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.exercise_date: See Note 2 in Exhibit 99.1.

F1 · derivative.expiration_date: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.expiration_date: See Note 2 in Exhibit 99.1.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · nonDerivative · entry 2

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,635,112

F2 · kind: See Note 2 in Exhibit 99.1.

F3 · kind: See Note 1 and 1(b) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F3 · price: See Note 1 and 1(b) in Exhibit 99.1.

SEC source: 0001104659-25-116984 · tm2532392-3_4seq1.xml · nonDerivative · entry 1

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,665,112

F1 · kind: See Note 1 and 1(a) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F1 · price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · derivative · entry 6

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 9,267

Underlying: Common Stock · 9,267 shares

Expires not disclosed

F5 · derivative.exercise_price: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.exercise_price: See Note 3 in Exhibit 99.1.

F5 · kind: See Note 1 and 1(d) in Exhibit 99.1.

F6 · kind: See Note 3 in Exhibit 99.1.

F5 · price: See Note 1 and 1(d) in Exhibit 99.1.

F6 · price: See Note 3 in Exhibit 99.1.

F5 · derivative.exercise_date: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.exercise_date: See Note 3 in Exhibit 99.1.

F5 · derivative.expiration_date: See Note 1 and 1(d) in Exhibit 99.1.

F6 · derivative.expiration_date: See Note 3 in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · derivative · entry 5

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 13,900

Underlying: Common Stock · 13,900 shares

Expires not disclosed

F4 · derivative.exercise_price: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.exercise_price: See Note 3 in Exhibit 99.1.

F4 · kind: See Note 1 and 1(c) in Exhibit 99.1.

F6 · kind: See Note 3 in Exhibit 99.1.

F4 · price: See Note 1 and 1(c) in Exhibit 99.1.

F6 · price: See Note 3 in Exhibit 99.1.

F4 · derivative.exercise_date: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.exercise_date: See Note 3 in Exhibit 99.1.

F4 · derivative.expiration_date: See Note 1 and 1(c) in Exhibit 99.1.

F6 · derivative.expiration_date: See Note 3 in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · derivative · entry 4

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 128,133

Underlying: Common Stock · 128,133 shares

Expires not disclosed

F2 · derivative.exercise_price: See Note 2 in Exhibit 99.1.

F3 · derivative.exercise_price: See Note 1 and 1(b) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F3 · kind: See Note 1 and 1(b) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F3 · price: See Note 1 and 1(b) in Exhibit 99.1.

F2 · derivative.exercise_date: See Note 2 in Exhibit 99.1.

F3 · derivative.exercise_date: See Note 1 and 1(b) in Exhibit 99.1.

F2 · derivative.expiration_date: See Note 2 in Exhibit 99.1.

F3 · derivative.expiration_date: See Note 1 and 1(b) in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · derivative · entry 3

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 192,200

Underlying: Common Stock · 192,200 shares

Expires not disclosed

F1 · derivative.exercise_price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.exercise_price: See Note 2 in Exhibit 99.1.

F1 · kind: See Note 1 and 1(a) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F1 · price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F1 · derivative.exercise_date: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.exercise_date: See Note 2 in Exhibit 99.1.

F1 · derivative.expiration_date: See Note 1 and 1(a) in Exhibit 99.1.

F2 · derivative.expiration_date: See Note 2 in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · nonDerivative · entry 2

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 3,635,112

F2 · kind: See Note 2 in Exhibit 99.1.

F3 · kind: See Note 1 and 1(b) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F3 · price: See Note 1 and 1(b) in Exhibit 99.1.

F7 · ownership.direct: See Note 4 in Exhibit 99.1.

SEC source: 0001104659-25-116982 · tm2532392-2_4seq1.xml · nonDerivative · entry 1

Gulf Hungary Holding Korlatolt Felelossegu Tarsasag · CIK 0001783455 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By QH Hungary Holdings Limited

Disclosed balance after: 3,665,112

F1 · kind: See Note 1 and 1(a) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F1 · price: See Note 1 and 1(a) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F7 · ownership.direct: See Note 4 in Exhibit 99.1.

SEC source: 0002087537-25-000006 · wk-form4_1760732360.xml · derivative · entry 1

Johnson Christine Procopio · CIK 0002087537 · SVP, CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 913

Underlying: Common Stock · 913 shares

Expires not disclosed

F1 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F2 · derivative.exercise_date: The restricted stock units vest in three annual installments beginning on March 15, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F2 · derivative.expiration_date: The restricted stock units vest in three annual installments beginning on March 15, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0002089257-25-000006 · wk-form4_1760732180.xml · derivative · entry 1

Frodl Andre · CIK 0002089257 · VP, R&D-Metals & Metalworking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61

Underlying: Common Stock · 61 shares

Expires not disclosed

F1 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F2 · derivative.exercise_date: The restricted stock units vest in three annual installments beginning on March 15, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F2 · derivative.expiration_date: The restricted stock units vest in three annual installments beginning on March 15, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0001987246-25-000004 · wk-form4_1755635014.xml · nonDerivative · entry 1

Ransley Anna · CIK 0001987246 · SVP, CDIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,959

F1 · shares: Shares surrendered by reporting person to satisfy withholding tax obligation upon vesting of restricted stock granted on August 15, 2023 under the Company's Long-Term Performance Incentive Plan.

SEC source: 0000081362-25-000102 · wk-form4_1748983369.xml · derivative · entry 6

West Fay · CIK 0001524598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000098 · wk-form4_1748983170.xml · derivative · entry 6

Osborne William H · CIK 0001445187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000100 · wk-form4_1748983289.xml · derivative · entry 6

Shaller Russell · CIK 0001646159 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F5 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F6 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid to KWR's common stock.

F6 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid to KWR's common stock.

F6 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid to KWR's common stock.

SEC source: 0000081362-25-000100 · wk-form4_1748983289.xml · nonDerivative · entry 3

Shaller Russell · CIK 0001646159 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,416

F3 · shares: Reflects 75% of the Director's annual retainer paid in shares pursuant to the terms of the 2023 Director Stock Ownership Plan.

SEC source: 0000081362-25-000096 · wk-form4_1748983079.xml · derivative · entry 5

Hinduja Sanjay · CIK 0001783867 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000094 · wk-form4_1748982992.xml · derivative · entry 5

Henry Charlotte C. · CIK 0001811774 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000092 · wk-form4_1748982882.xml · derivative · entry 5

FRISBY JEFFRY D · CIK 0001061274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000090 · wk-form4_1748982812.xml · derivative · entry 6

Foufopoulos - De Ridder Lucrece · CIK 0001994178 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F5 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F6 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F6 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F6 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000090 · wk-form4_1748982812.xml · nonDerivative · entry 3

Foufopoulos - De Ridder Lucrece · CIK 0001994178 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,430

F3 · shares: Reflects 75% of the Director's annual retainer paid in shares pursuant to the terms of the 2023 Director Stock Ownership Plan.

SEC source: 0000081362-25-000088 · wk-form4_1748982733.xml · derivative · entry 5

DOUGLAS MARK · CIK 0001434812 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000086 · wk-form4_1748982500.xml · derivative · entry 5

BARRY MICHAEL F · CIK 0001238141 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F4 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F5 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F5 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000084 · wk-form4_1748982434.xml · derivative · entry 6

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,198

Underlying: Common Stock · 1,198 shares

Expires not disclosed

F5 · derivative.exercise_price: Time-based restricted stock units granted under the Company's Long-Term Performance Incentive Plan to Quaker Houghton's non-executive directors as part of their 2025 compensation. Each restricted stock unit represents a contingent right to receive one share of KWR common stock.

F6 · shares: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F6 · derivative.exercise_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

F6 · derivative.expiration_date: The restricted stock units vest 100% on May 31, 2026. Dividend equivalent rights accrue with respect to these restricted stock units when and as dividends are paid on KWR's common stock.

SEC source: 0000081362-25-000084 · wk-form4_1748982434.xml · nonDerivative · entry 3

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,430

F3 · shares: Reflects 75% of the Director's annual retainer paid in shares pursuant to the terms of the 2023 Director Stock Ownership Plan.

SEC source: 0000081362-25-000102 · wk-form4_1748983369.xml · derivative · entry 5

West Fay · CIK 0001524598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0000081362-25-000102 · wk-form4_1748983369.xml · derivative · entry 4

West Fay · CIK 0001524598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 716 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: One June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

F3 · derivative.expiration_date: One June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

SEC source: 0000081362-25-000102 · wk-form4_1748983369.xml · nonDerivative · entry 2

West Fay · CIK 0001524598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,063

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0000081362-25-000102 · wk-form4_1748983369.xml · nonDerivative · entry 1

West Fay · CIK 0001524598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,054

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0000081362-25-000098 · wk-form4_1748983170.xml · derivative · entry 5

Osborne William H · CIK 0001445187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0000081362-25-000098 · wk-form4_1748983170.xml · derivative · entry 4

Osborne William H · CIK 0001445187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 716 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: On June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

F3 · derivative.expiration_date: On June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

SEC source: 0000081362-25-000098 · wk-form4_1748983170.xml · nonDerivative · entry 2

Osborne William H · CIK 0001445187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 725

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0000081362-25-000098 · wk-form4_1748983170.xml · nonDerivative · entry 1

Osborne William H · CIK 0001445187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 716

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0000081362-25-000100 · wk-form4_1748983289.xml · derivative · entry 5

Shaller Russell · CIK 0001646159 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

F2 · derivative.exercise_date: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.

SEC source: 0000081362-25-000100 · wk-form4_1748983289.xml · derivative · entry 4

Shaller Russell · CIK 0001646159 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 716 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: On June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

F4 · derivative.expiration_date: On June 1, 2024, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2025.

SEC source: 0000081362-25-000100 · wk-form4_1748983289.xml · nonDerivative · entry 2

Shaller Russell · CIK 0001646159 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,865

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock.