KWR

SEC source: 0001811774-26-000002 · wk-form4_1780432620.xml · nonDerivative · entry 1

Henry Charlotte C. · CIK 0001811774 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,469

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: 0001061274-26-000002 · wk-form4_1780432471.xml · derivative · entry 4

FRISBY JEFFRY D · CIK 0001061274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18 shares

Expires 2026-05-31

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: 0001061274-26-000002 · wk-form4_1780432471.xml · derivative · entry 3

FRISBY JEFFRY D · CIK 0001061274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,198 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, 2025, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2026.

F3 · derivative.expiration_date: On June 1, 2025, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2026.

SEC source: 0001061274-26-000002 · wk-form4_1780432471.xml · nonDerivative · entry 2

FRISBY JEFFRY D · CIK 0001061274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,298

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: 0001061274-26-000002 · wk-form4_1780432471.xml · nonDerivative · entry 1

FRISBY JEFFRY D · CIK 0001061274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,280

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: 0002024624-26-000002 · wk-form4_1780432129.xml · derivative · entry 5

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18 shares

Expires 2026-05-31

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: 0002024624-26-000002 · wk-form4_1780432129.xml · derivative · entry 4

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,198 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, 2025, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2026.

F4 · derivative.expiration_date: On June 1, 2025, the reporting person was granted time-based restricted stock units that vested 100% on May 31, 2026.

SEC source: 0002024624-26-000002 · wk-form4_1780432129.xml · nonDerivative · entry 2

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,646

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: 0002024624-26-000002 · wk-form4_1780432129.xml · nonDerivative · entry 1

BAKHSHI NANDITA · CIK 0002024624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,628

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: 0001783821-26-000005 · wk-form4_1779999533.xml · derivative · entry 4

Bijlani Jeewat · CIK 0001783821 · EVP, Glob. Spec. & CGO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 731 shares

Expires 2027-03-30

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.

F3 · derivative.exercise_date: The options for this grant vested in three annual installments: 923 shares on March 30, 2021; 922 shares on March 30, 2022; and 922 shares on March 30, 2023.

SEC source: 0001783821-26-000005 · wk-form4_1779999533.xml · nonDerivative · entry 2

Bijlani Jeewat · CIK 0001783821 · EVP, Glob. Spec. & CGO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,748

F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $145.65 to $145.88, inclusive. The reporting person undertakes to provide to Quaker Chemical Corporation, d/b/a "Quaker Houghton", any security holder of Quaker Houghton, or the staff of the Securities and Exchange Commission, upon receipt, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 1 to this Form 4.

SEC source: 0001783821-26-000005 · wk-form4_1779999533.xml · nonDerivative · entry 1

Bijlani Jeewat · CIK 0001783821 · EVP, Glob. Spec. & CGO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,479

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.

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 9

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,580

Underlying: Common Stock · 8,580 shares

Expires not disclosed

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

F8 · derivative.exercise_price: See Note 1 and 1(g) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F8 · kind: See Note 1 and 1(g) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F8 · price: See Note 1 and 1(g) in Exhibit 99.1.

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

F8 · derivative.exercise_date: See Note 1 and 1(g) in Exhibit 99.1.

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

F8 · derivative.expiration_date: See Note 1 and 1(g) in Exhibit 99.1.

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 8

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,000

Underlying: Common Stock · 34,000 shares

Expires not disclosed

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

F7 · derivative.exercise_price: See Note 1 and 1(f) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F7 · kind: See Note 1 and 1(f) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F7 · price: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.exercise_date: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.expiration_date: See Note 1 and 1(f) in Exhibit 99.1.

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 7

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,502

Underlying: Common Stock · 17,502 shares

Expires not disclosed

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

F7 · derivative.exercise_price: See Note 1 and 1(f) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F7 · kind: See Note 1 and 1(f) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F7 · price: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.exercise_date: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.expiration_date: See Note 1 and 1(f) in Exhibit 99.1.

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 6

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,296

Underlying: Common Stock · 10,296 shares

Expires not disclosed

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

F6 · derivative.exercise_price: See Note 1 and 1(e) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F6 · kind: See Note 1 and 1(e) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F6 · price: See Note 1 and 1(e) in Exhibit 99.1.

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

F6 · derivative.exercise_date: See Note 1 and 1(e) in Exhibit 99.1.

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

F6 · derivative.expiration_date: See Note 1 and 1(e) in Exhibit 99.1.

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 5

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires not disclosed

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

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

F2 · kind: See Note 2 in Exhibit 99.1.

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

F2 · price: See Note 2 in Exhibit 99.1.

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

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

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

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

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

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 4

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,732

Underlying: Common Stock · 19,732 shares

Expires not disclosed

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

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

F2 · kind: See Note 2 in Exhibit 99.1.

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

F2 · price: See Note 2 in Exhibit 99.1.

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

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

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

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

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

SEC source: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 3

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 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: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 2

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,000

Underlying: Common Stock · 34,000 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: 0001104659-26-067495 · tm2615870-3_4seq1.xml · derivative · entry 1

QH Hungary Holdings Ltd · CIK 0001808660 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,502

Underlying: Common Stock · 17,502 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: 0001104659-26-067491 · tm2615870-2_4seq1.xml · derivative · entry 9

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: 8,580

Underlying: Common Stock · 8,580 shares

Expires not disclosed

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

F8 · derivative.exercise_price: See Note 1 and 1(g) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F8 · kind: See Note 1 and 1(g) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F8 · price: See Note 1 and 1(g) in Exhibit 99.1.

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

F8 · derivative.exercise_date: See Note 1 and 1(g) in Exhibit 99.1.

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

F8 · derivative.expiration_date: See Note 1 and 1(g) in Exhibit 99.1.

SEC source: 0001104659-26-067491 · tm2615870-2_4seq1.xml · derivative · entry 8

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: 34,000

Underlying: Common Stock · 34,000 shares

Expires not disclosed

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

F7 · derivative.exercise_price: See Note 1 and 1(f) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F7 · kind: See Note 1 and 1(f) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F7 · price: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.exercise_date: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.expiration_date: See Note 1 and 1(f) in Exhibit 99.1.

SEC source: 0001104659-26-067491 · tm2615870-2_4seq1.xml · derivative · entry 7

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: 17,502

Underlying: Common Stock · 17,502 shares

Expires not disclosed

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

F7 · derivative.exercise_price: See Note 1 and 1(f) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F7 · kind: See Note 1 and 1(f) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F7 · price: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.exercise_date: See Note 1 and 1(f) in Exhibit 99.1.

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

F7 · derivative.expiration_date: See Note 1 and 1(f) in Exhibit 99.1.

SEC source: 0001104659-26-067491 · tm2615870-2_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: 10,296

Underlying: Common Stock · 10,296 shares

Expires not disclosed

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

F6 · derivative.exercise_price: See Note 1 and 1(e) in Exhibit 99.1.

F2 · kind: See Note 2 in Exhibit 99.1.

F6 · kind: See Note 1 and 1(e) in Exhibit 99.1.

F2 · price: See Note 2 in Exhibit 99.1.

F6 · price: See Note 1 and 1(e) in Exhibit 99.1.

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

F6 · derivative.exercise_date: See Note 1 and 1(e) in Exhibit 99.1.

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

F6 · derivative.expiration_date: See Note 1 and 1(e) in Exhibit 99.1.

SEC source: 0001104659-26-067491 · tm2615870-2_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: 140,000

Underlying: Common Stock · 140,000 shares

Expires not disclosed

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

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

F2 · kind: See Note 2 in Exhibit 99.1.

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

F2 · price: See Note 2 in Exhibit 99.1.

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

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

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

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

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

SEC source: 0001104659-26-067491 · tm2615870-2_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: 19,732

Underlying: Common Stock · 19,732 shares

Expires not disclosed

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

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

F2 · kind: See Note 2 in Exhibit 99.1.

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

F2 · price: See Note 2 in Exhibit 99.1.

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

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

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

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

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

SEC source: 0001104659-26-067491 · tm2615870-2_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: 60,000

Underlying: Common Stock · 60,000 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: 0001104659-26-067491 · tm2615870-2_4seq1.xml · derivative · 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: 34,000

Underlying: Common Stock · 34,000 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: 0001104659-26-067491 · tm2615870-2_4seq1.xml · derivative · 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: 17,502

Underlying: Common Stock · 17,502 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: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 6

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,109

F4 · shares: Shares surrendered by reporting person to satisfy withholding tax obligations upon the partial vesting of certain restricted stock, PSUs, and RSUs previously granted under the Company's Long-Term Performance Incentive Plan.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · derivative · entry 10

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,772

Underlying: Common Stock · 1,772 shares

Expires not disclosed

F8 · derivative.exercise_price: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

F8 · derivative.exercise_date: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

F8 · derivative.expiration_date: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · derivative · entry 9

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17 shares

Expires 2026-03-15

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.

F3 · derivative.exercise_price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grant and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

F3 · price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grant and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

F3 · derivative.exercise_date: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grant and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · derivative · entry 8

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,069

Underlying: Common Stock · 534 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.

F2 · derivative.exercise_price: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

F7 · derivative.exercise_date: On March 15, 2025, the reporting person was granted 1,603 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

F7 · derivative.expiration_date: On March 15, 2025, the reporting person was granted 1,603 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · derivative · entry 7

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 343

Underlying: Common Stock · 343 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.

F2 · derivative.exercise_price: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: On March 15, 2024, the reporting person was granted 1,029 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F6 · derivative.expiration_date: On March 15, 2024, the reporting person was granted 1,029 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · nonDerivative · entry 5

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,351

F4 · shares: Shares surrendered by reporting person to satisfy withholding tax obligation upon the full or partial vesting of certain restricted stock, PSUs, and RSUs previously granted under the Company's Long-Term Performance Incentive Plan.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · nonDerivative · entry 4

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,913

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.

F3 · price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grant and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · nonDerivative · entry 3

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,896

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: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · nonDerivative · entry 2

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,362

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: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

SEC source: 0001783973-26-000002 · wk-form4_1773781600.xml · nonDerivative · entry 1

Traub Robert T · CIK 0001783973 · SVP, GC & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,019

F1 · shares: Shares earned upon vesting and settlement of Performance Stock Units (PSUs) awarded on March 15, 2023, upon certification of performance results by the Compensation and Human Resources Committee based on achievement of the adjusted return on invested capital (ROIC) metric, during the three year performance period.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · derivative · entry 11

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,350

Underlying: Common Stock · 1,350 shares

Expires not disclosed

F8 · derivative.exercise_price: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

F8 · derivative.exercise_date: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

F8 · derivative.expiration_date: Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · derivative · entry 10

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7 shares

Expires 2026-03-15

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.

F3 · derivative.exercise_price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, September 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

F3 · price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, September 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

F3 · derivative.exercise_date: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, September 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · derivative · entry 9

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 726

Underlying: Common Stock · 363 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.

F2 · derivative.exercise_price: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

F7 · derivative.exercise_date: On March 15, 2025, the reporting person was granted 1,089 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

F7 · derivative.expiration_date: On March 15, 2025, the reporting person was granted 1,089 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · derivative · entry 8

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43

Underlying: Common Stock · 42 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.

F2 · derivative.exercise_price: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: On September 15, 2024, the reporting person was granted 127 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F6 · derivative.expiration_date: On September 15, 2024, the reporting person was granted 127 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · derivative · entry 7

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75

Underlying: Common Stock · 75 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.

F2 · derivative.exercise_price: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: On March 15, 2024, the reporting person was granted 224 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F5 · derivative.expiration_date: On March 15, 2024, the reporting person was granted 224 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 5

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,286

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.

F3 · price: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, September 15, 2024 and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 4

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,279

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: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 3

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 916

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: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 2

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 874

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: Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

SEC source: 0002053776-26-000002 · wk-form4_1773781432.xml · nonDerivative · entry 1

Rokosky Kristin · CIK 0002053776 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 799

F1 · shares: Shares earned upon vesting and settlement of Performance Stock Units (PSUs) awarded on March 15, 2023, upon certification of performance results by the Compensation and Human Resources Committee based on achievement of the adjusted return on invested capital (ROIC) metric, during the three year performance period.