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person · Reporting owner

Sriram Vandana

Disclosed activity across 2 companies

Tapewire entity
35915
SEC CIK
0001908223

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Azenta, Inc.AZTA · Entity 4724SVP Finance & Corp. ControllerJanuary 31, 2023February 02, 2023

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.

Azenta, Inc.

Report date January 31, 2023 · Filed February 02, 2023

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect6,356 Reported balance After 2023-01-31 transaction · row 1
1 source row

Row 1 · 2023-01-31 · Grant · Acquired 369 · Balance 6,356

F1: Purchase by Reporting Person under the Azenta, Inc. 2017 Employee Stock Purchase Plan. The purchase of shares was exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act") pursuant to Rule 16b-3(c) under the Exchange Act

Filing footnotes · ownership attribution and instrument terms

F1: Purchase by Reporting Person under the Azenta, Inc. 2017 Employee Stock Purchase Plan. The purchase of shares was exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Exchange Act") pursuant to Rule 16b-3(c) under the Exchange Act

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Quanterix Corp

Report date June 15, 2026 · Filed June 23, 2026

Section 16 reporting ended · disclosed 2026-06-23. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect31,283 Ending reported balance After 2026-06-15 transaction · row 6
6 source rows · reconciled sequence

Row 1 · 2026-06-15 · Exercise / conversion · Acquired 263 · Balance 30,261

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

Row 2 · 2026-06-15 · Tax withholding · Disposed 79 · Balance 30,182

Row 3 · 2026-06-15 · Exercise / conversion · Acquired 514 · Balance 30,696

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

Row 4 · 2026-06-15 · Tax withholding · Disposed 154 · Balance 30,542

Row 5 · 2026-06-15 · Exercise / conversion · Acquired 1,056 · Balance 31,598

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

Row 6 · 2026-06-15 · Tax withholding · Disposed 315 · Balance 31,283

Restricted Stock UnitSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct3,682 Reported balance After 2026-06-15 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-06-15 · Exercise / conversion · Disposed 263 · Balance 3,682

F2: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Restricted Stock UnitSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct10,283 Reported balance After 2026-06-15 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-06-15 · Exercise / conversion · Disposed 514 · Balance 10,283

F3: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Restricted Stock UnitSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct33,810 Reported balance After 2026-06-15 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-06-15 · Exercise / conversion · Disposed 1,056 · Balance 33,810

F4: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Filing footnotes · ownership attribution and instrument terms

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

F2: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F3: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F4: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

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
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 1,056 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · derivative · entry 9

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,810

Underlying: Common Stock · 1,056 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.

F4 · derivative.exercise_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F4 · derivative.expiration_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 514 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · derivative · entry 8

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,283

Underlying: Common Stock · 514 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.

F3 · derivative.exercise_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F3 · derivative.expiration_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · derivative · entry 7

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,682

Underlying: Common Stock · 263 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_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F2 · derivative.expiration_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 315 $3.10 $976.50
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 6

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,283

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 1,056 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 5

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,598

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.

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 154 $3.10 $477.40
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 4

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,542

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 514 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 3

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,696

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.

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

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 79 $3.10 $244.90
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 2

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,182

Read SEC document
June 15, 2026 Filed Jun 23, 2026 21:06 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 263 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000010 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,261

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.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 1,056 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · derivative · entry 9

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,866

Underlying: Common Stock · 1,056 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.

F4 · derivative.exercise_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F4 · derivative.expiration_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 514 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · derivative · entry 8

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,797

Underlying: Common Stock · 514 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.

F3 · derivative.exercise_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F3 · derivative.expiration_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · derivative · entry 7

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,945

Underlying: Common Stock · 263 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_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F2 · derivative.expiration_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 315 $2.75 $866.25
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 6

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,998

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 1,056 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 5

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,313

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.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 154 $2.75 $423.50
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 4

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,257

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 514 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 3

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,411

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.

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 79 $2.75 $217.25
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 2

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,897

Read SEC document
May 15, 2026 Filed May 18, 2026 21:34 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 263 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000009 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,976

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.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 1,056 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · derivative · entry 9

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,922

Underlying: Common Stock · 1,056 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.

F4 · derivative.exercise_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F4 · derivative.expiration_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 514 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · derivative · entry 8

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,311

Underlying: Common Stock · 514 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.

F3 · derivative.exercise_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F3 · derivative.expiration_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · derivative · entry 7

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,208

Underlying: Common Stock · 263 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_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

F2 · derivative.expiration_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments on the 15th day of each month thereafter.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 315 $3.60 $1,134.00
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 6

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,713

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 1,056 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 5

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,028

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.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 154 $3.60 $554.40
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 4

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,972

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 514 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 3

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,126

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.

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 79 $3.60 $284.40
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 2

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,612

Read SEC document
April 15, 2026 Filed Apr 17, 2026 20:58 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 263 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000008 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,691

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.

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 1,056 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · derivative · entry 9

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,978

Underlying: Common Stock · 1,056 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.

F4 · derivative.exercise_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

F4 · derivative.expiration_date: On February 4, 2025, the reporting person was granted 50,712 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 514 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · derivative · entry 8

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,825

Underlying: Common Stock · 514 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.

F3 · derivative.exercise_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

F3 · derivative.expiration_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · derivative · entry 7

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,471

Underlying: Common Stock · 263 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_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

F2 · derivative.expiration_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

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March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 371 $4.72 $1,751.12
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 6

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,428

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 1,056 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 5

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,799

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.

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 181 $4.72 $854.32
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 4

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,743

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 514 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 3

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,924

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.

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 93 $4.72 $438.96
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 2

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,410

Read SEC document
March 15, 2026 Filed Mar 16, 2026 20:10 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 263 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000007 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,503

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.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 514 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · derivative · entry 8

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,339

Underlying: Common Stock · 514 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.

F6 · derivative.exercise_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

F6 · derivative.expiration_date: On February 2, 2024, the reporting person was granted 24,675 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

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February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionRestricted Stock Unit · Derivative 263 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · derivative · entry 7

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,734

Underlying: Common Stock · 263 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.

F5 · derivative.exercise_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

F5 · derivative.expiration_date: On August 21, 2023, the reporting person was granted 12,624 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in equal monthly installments of 6.25% on the monthly anniversary of the grant date thereafter.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 GrantRestricted Stock Unit · Derivative 74,905 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · derivative · entry 6

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,905

Underlying: Common Stock · 74,905 shares

Expires not disclosed

F4 · derivative.exercise_date: The award vests in four equal annual installments on each of the first four anniversaries of the Transaction Date.

F4 · derivative.expiration_date: The award vests in four equal annual installments on each of the first four anniversaries of the Transaction Date.

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February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 GrantPerformance Stock Unit · Derivative 74,905 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · derivative · entry 5

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,905

Underlying: Common Stock · 74,905 shares

Expires 2026-12-31

F3 · derivative.exercise_date: Each PSU award to vest (subject to the employee's continued service to the Company on the applicable vesting dates) according to the schedule and conditions set forth in the executive long-term incentive plan contained in the Company's 2026 Employee Equity Guidelines. After the award's performance conditions are satisfied, the PSUs will vest in four equal annual installments on each of the first four anniversaries of the Transaction Date.

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February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 92 $5.74 $528.08
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · nonDerivative · entry 4

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,240

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 263 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · nonDerivative · entry 3

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,332

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.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 179 $5.74 $1,027.46
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · nonDerivative · entry 2

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,069

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:42 UTC Quanterix Corp QTRX · Entity 6649 Exercise / conversionCommon Stock 514 Not disclosed Not disclosed
Disclosure

SEC source: 0001908223-26-000006 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,248

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.

F2 · balance_after: The total shown no longer includes 55,884 unvested RSUs which the reporting person previously reported in Table I of Form 4 and will hereafter report in Table II of Form 4.

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February 04, 2026 Filed Feb 6, 2026 23:58 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 4,395 $0.00 $0.00
Disclosure

SEC source: 0001908223-26-000004 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,618

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 12,678 restricted stock units (RSUs).

F2 · balance_after: Includes 55,884 RSUs

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January 15, 2026 Filed Jan 20, 2026 21:37 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 274 $7.95 $2,178.30
Disclosure

SEC source: 0001908223-26-000002 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,013

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 777 restricted stock units (RSUs).

F2 · balance_after: Includes 68,562 RSUs.

F3 · balance_after: QTRX year-end reconciliation revealed a variance of 310 shares. Corrected balance as shown

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December 15, 2025 Filed Dec 18, 2025 20:28 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 229 $7.41 $1,696.89
Disclosure

SEC source: 0001908223-25-000009 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,977

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 777 restricted stock units (RSUs).

F2 · balance_after: Includes 84,652 RSUs.

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November 15, 2025 Filed Nov 24, 2025 19:52 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 229 $5.78 $1,323.62
Disclosure

SEC source: 0001908223-25-000008 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,206

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 777 restricted stock units (RSUs).

F2 · balance_after: Includes 85,429 RSUs.

Read SEC document
October 15, 2025 Filed Oct 18, 2025 01:44 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 229 $5.78 $1,323.62
Disclosure

SEC source: 0001908223-25-000007 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,742

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 777 restricted stock units (RSUs).

F2 · balance_after: Includes 70,893 RSUs.

Read SEC document
September 15, 2025 Filed Sep 18, 2025 00:11 UTC Quanterix Corp QTRX · Entity 6649 Tax withholdingCommon Stock 229 $4.97 $1,138.13
Disclosure

SEC source: 0001908223-25-000006 · primarydocument.xml · nonDerivative · entry 1

Sriram Vandana · CIK 0001908223 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,971

F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 777 Restricted Stock Units.

F2 · balance_after: Includes 71,670 Restricted Stock Units.

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.