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person · Reporting owner

Dworak Leiden

Disclosed activity across 1 company

Tapewire entity
69002
SEC CIK
0001986012

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TScan Therapeutics, Inc.TCRX · Entity 7255See RemarksJanuary 20, 2026January 22, 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.

TScan Therapeutics, Inc.

Report date January 20, 2026 · Filed January 22, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.12 · Expires 2036-01-20Direct100,000 Reported balance After 2026-01-20 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-01-20 · Grant · Acquired 100,000 · Balance 100,000

F1: The shares subject to this option shall vest and become exercisable with respect to 25% of the shares on the one-year anniversary of January 20, 2026, with the balance vesting thereafter in equal monthly installments over the next 36 months, subject to the Reporting Person's continued service to the Issuer on each vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: The shares subject to this option shall vest and become exercisable with respect to 25% of the shares on the one-year anniversary of January 20, 2026, with the balance vesting thereafter in equal monthly installments over the next 36 months, subject to the Reporting Person's continued service to the Issuer on each 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
January 20, 2026 Filed Jan 22, 2026 22:30 UTC TScan Therapeutics, Inc. TCRX · Entity 7255 GrantStock Option (Right to Buy) · Derivative 100,000 $0.00 Strike: $1.12 $0.00
Disclosure

SEC source: 0001193125-26-019702 · ownership.xml · derivative · entry 1

Dworak Leiden · CIK 0001986012 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Voting Common Stock · 100,000 shares

Expires 2036-01-20

F1 · derivative.exercise_date: The shares subject to this option shall vest and become exercisable with respect to 25% of the shares on the one-year anniversary of January 20, 2026, with the balance vesting thereafter in equal monthly installments over the next 36 months, subject to the Reporting Person's continued service to the Issuer on each vesting date.

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January 12, 2024 Filed Feb 11, 2025 22:54 UTC TScan Therapeutics, Inc. TCRX · Entity 7255 GrantStock Option (Right to Buy) · Derivative 46,875 $0.00 Strike: $6.00 $0.00
Disclosure

SEC source: 0000950170-25-018130 · ownership.xml · derivative · entry 1

Dworak Leiden · CIK 0001986012 · Vice President, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,875

Underlying: Voting Common Stock · 46,875 shares

Expires 2034-01-12

F1 · derivative.exercise_date: The shares subject to this option shall vest and become exercisable with respect to 25% of the shares on the one-year anniversary of January 12, 2024, with the balance vesting thereafter in equal monthly installments over the next 36 months of continuous service to the Issuer.

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July 21, 2023 Filed Jul 24, 2023 23:39 UTC TScan Therapeutics, Inc. TCRX · Entity 7255 GrantStock Option (Right to Buy) · Derivative 25,000 $0.00 Strike: $2.23 $0.00
Disclosure

SEC source: 0000950170-23-034156 · ownership.xml · derivative · entry 1

Dworak Leiden · CIK 0001986012 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Voting Common Stock · 25,000 shares

Expires 2033-07-20

F1 · derivative.exercise_date: The shares subject to this option shall vest and become exercisable with respect to 25% of the shares on the one-year anniversary of July 21, 2023, with the balance vesting thereafter in equal monthly installments over the next 36 months of continuous service to the Issuer.

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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.