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Dassing Steven R.

Disclosed activity across 1 company

Tapewire entity
60408
SEC CIK
0002079490

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CompanyLast reported asReport datePublished
QUAKER CHEMICAL CORPKWR · Entity 4278VP, Principal Acctg. OfficerMarch 15, 2026March 17, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

QUAKER CHEMICAL CORP

Report date March 15, 2026 · Filed March 17, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect368 Ending reported balance After 2026-03-15 transaction · row 6
6 source rows · reconciled sequence

Row 1 · 2026-03-15 · Grant · Acquired 39 · Balance 196

F1: 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.

Row 2 · 2026-03-15 · Exercise / conversion · Acquired 45 · Balance 241

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

Row 3 · 2026-03-15 · Exercise / conversion · Acquired 82 · Balance 323

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

Row 4 · 2026-03-15 · Exercise / conversion · Acquired 171 · Balance 494

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

Row 5 · 2026-03-15 · Exercise / conversion · Acquired 4 · Balance 498

F3: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, August 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.

Row 6 · 2026-03-15 · Tax withholding · Disposed 130 · Balance 368

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

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect45 Reported balance After 2026-03-15 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-03-15 · Exercise / conversion · Disposed 45 · Balance 45

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

F5: On March 15, 2024, the reporting person was granted 134 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect82 Reported balance After 2026-03-15 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-03-15 · Exercise / conversion · Disposed 82 · Balance 82

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

F6: On August 15, 2024, the reporting person was granted 245 special time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect342 Reported balance After 2026-03-15 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-03-15 · Exercise / conversion · Disposed 171 · Balance 342

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

F7: On March 15, 2025, the reporting person was granted 513 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect557 Reported balance After 2026-03-15 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2026-03-15 · Grant · Acquired 557 · Balance 557

F8: 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.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect1,266 Reported balance After 2026-03-15 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2026-03-15 · Grant · Acquired 1,266 · Balance 1,266

F9: Special time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in two 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.

Dividend Equivalent RightsSEC Table II · derivative / convertible security · Expires 2026-03-15Direct0 Reported balance After 2026-03-15 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2026-03-15 · Exercise / conversion · Disposed 4 · Balance 0

F3: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, August 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

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

F3: Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024, August 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.

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

F5: On March 15, 2024, the reporting person was granted 134 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F6: On August 15, 2024, the reporting person was granted 245 special time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F7: On March 15, 2025, the reporting person was granted 513 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

F8: 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.

F9: Special time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in two 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 GrantRestricted Stock Units · Derivative 1,266 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 12

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,266

Underlying: Common Stock · 1,266 shares

Expires not disclosed

F9 · derivative.exercise_price: Special time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in two 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.

F9 · derivative.exercise_date: Special time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in two 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.

F9 · derivative.expiration_date: Special time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in two 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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 GrantRestricted Stock Units · Derivative 557 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 11

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 557

Underlying: Common Stock · 557 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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionDividend Equivalent Rights · Derivative 4 Not disclosed Not disclosed
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 10

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4 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, August 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, August 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, August 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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionRestricted Stock Units · Derivative 171 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 9

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342

Underlying: Common Stock · 171 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 513 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 513 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionRestricted Stock Units · Derivative 82 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 8

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82

Underlying: Common Stock · 82 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 August 15, 2024, the reporting person was granted 245 special time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

F6 · derivative.expiration_date: On August 15, 2024, the reporting person was granted 245 special time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionRestricted Stock Units · Derivative 45 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · derivative · entry 7

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45

Underlying: Common Stock · 45 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 134 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 134 time-based RSUs, vesting in three annual installments beginning on March 15, 2025.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Tax withholdingCommon Stock 130 $118.45 $15,398.50
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 6

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 368

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

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionCommon Stock 4 Not disclosed Not disclosed
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 5

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 498

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, August 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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionCommon Stock 171 Not disclosed Not disclosed
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 4

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 494

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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionCommon Stock 82 Not disclosed Not disclosed
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 3

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 323

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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 Exercise / conversionCommon Stock 45 Not disclosed Not disclosed
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 2

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241

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.

Read SEC document
March 15, 2026 Filed Mar 17, 2026 20:44 UTC QUAKER CHEMICAL CORP KWR · Entity 4278 GrantCommon Stock 39 $0.00 $0.00
Disclosure

SEC source: 0002079490-26-000002 · wk-form4_1773780280.xml · nonDerivative · entry 1

Dassing Steven R. · CIK 0002079490 · VP, Principal Acctg. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.