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Clack Amy

Disclosed activity across 1 company

Tapewire entity
56326
SEC CIK
0002030787

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Tradeweb Markets Inc.TW · Entity 3211Chief Administrative OfficerMarch 20, 2026March 24, 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.

Tradeweb Markets Inc.

Report date March 20, 2026 · Filed March 24, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A common stockSEC Table I · non-derivativeDirect21,557 Reported balance After 2026-03-20 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-03-20 · Sale · Disposed 271 · Balance 21,557

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2: This amount includes (i) 2,434 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 4,418 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2: This amount includes (i) 2,434 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 4,418 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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 20, 2026 Filed Mar 24, 2026 16:07 UTC Tradeweb Markets Inc. TW · Entity 3211 SaleClass A common stock 271 $125.75 $34,078.25
Disclosure

SEC source: 0001758730-26-000074 · wk-form4_1774382858.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,557

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2 · balance_after: This amount includes (i) 2,434 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 4,418 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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March 17, 2026 Filed Mar 19, 2026 16:08 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 3 $0.00 $0.00
Disclosure

SEC source: 0001758730-26-000065 · wk-form4_1773950917.xml · nonDerivative · entry 2

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,828

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 2,434 unvested RSUs in respect of the Class A Common Stock that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 4,418 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
March 17, 2026 Filed Mar 19, 2026 16:08 UTC Tradeweb Markets Inc. TW · Entity 3211 Tax withholdingClass A common stock 1,128 $126.17 $142,319.76
Disclosure

SEC source: 0001758730-26-000065 · wk-form4_1773950917.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,825

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 2,434 unvested RSUs in respect of the Class A Common Stock that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 4,418 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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March 15, 2026 Filed Mar 17, 2026 16:12 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 6,429 $0.00 $0.00
Disclosure

SEC source: 0001758730-26-000044 · wk-form4_1773778334.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,953

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2026.

F2 · balance_after: This amount includes (i) 2,434 unvested RSUs in respect of the Class A Common Stock that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, (iii) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028 and (iv) 6,429 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
February 10, 2026 Filed Feb 12, 2026 16:11 UTC Tradeweb Markets Inc. TW · Entity 3211 SaleClass A common stock 839 $114.68 $96,216.52
Disclosure

SEC source: 0001758730-26-000019 · wk-form4_1770930693.xml · nonDerivative · entry 2

Clack Amy · CIK 0002030787 · CAO and CRO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,524

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2 · balance_after: This amount includes (i) 2,434 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, and (iii) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
February 10, 2026 Filed Feb 12, 2026 16:11 UTC Tradeweb Markets Inc. TW · Entity 3211 SaleClass A common stock 838 $114.68 $96,101.84
Disclosure

SEC source: 0001758730-26-000019 · wk-form4_1770930693.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · CAO and CRO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,363

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2 · balance_after: This amount includes (i) 2,434 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, and (iii) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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January 01, 2026 Filed Jan 5, 2026 19:58 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 21 $0.00 $0.00
Disclosure

SEC source: 0002030787-26-000002 · wk-form4_1767661102.xml · nonDerivative · entry 2

Clack Amy · CIK 0002030787 · CAO and CRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,201

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, and (iii) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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January 01, 2026 Filed Jan 5, 2026 19:58 UTC Tradeweb Markets Inc. TW · Entity 3211 Tax withholdingClass A common stock 2,020 $106.20 $214,524.00
Disclosure

SEC source: 0002030787-26-000002 · wk-form4_1767661102.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · CAO and CRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,180

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, and (iii) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
March 17, 2025 Filed Mar 18, 2025 19:57 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 6,627 $0.00 $0.00
Disclosure

SEC source: 0001758730-25-000060 · wk-form4_1742342273.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,200

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 17, 2025.

F2 · balance_after: This amount includes (i) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, (iii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, and (iv) 6,627 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
January 01, 2025 Filed Jan 3, 2025 18:07 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 5 $0.00 $0.00
Disclosure

SEC source: 0001758730-25-000013 · wk-form4_1735945631.xml · nonDerivative · entry 2

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,573

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, and (iii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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January 01, 2025 Filed Jan 3, 2025 18:07 UTC Tradeweb Markets Inc. TW · Entity 3211 Tax withholdingClass A common stock 1,998 $131.33 $262,397.34
Disclosure

SEC source: 0001758730-25-000013 · wk-form4_1735945631.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,568

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (ii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, and (iii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

Read SEC document
September 01, 2024 Filed Sep 4, 2024 16:26 UTC Tradeweb Markets Inc. TW · Entity 3211 GrantClass A common stock 15,566 $0.00 $0.00
Disclosure

SEC source: 0001758730-24-000170 · wk-form4_1725481443.xml · nonDerivative · entry 1

Clack Amy · CIK 0002030787 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,566

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest as follows: (i) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (ii) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, and (iv) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028.

F2 · balance_after: This amount includes (i) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (ii) 5,349 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iii) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2027, and (iv) 2,434 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

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