Last 12 months
Inside the activity.
3 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 1 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 2 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| January 02, 2026 Filed Jan 6, 2026 22:49 UTC |
Hampton Malcolm GarretDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0001698265-26-000001 · primarydocument.xml · nonDerivative · entry 1 Hampton Malcolm Garret · CIK 0001698265 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 70,099 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 70,099 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 6, 2026 22:49 UTC |
Sachs Alan BruceDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0002098803-26-000001 · primarydocument.xml · nonDerivative · entry 1 Sachs Alan Bruce · CIK 0002098803 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 70,099 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 70,099 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 6, 2026 22:45 UTC |
Mendel ScottDirector
|
GrantCommon Stock | 1,944 | $0.00 | $0.00 |
DisclosureSEC source: 0001515051-26-000001 · primarydocument.xml · nonDerivative · entry 2 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 56,053 F3 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the fourth quarter of 2025. F2 · balance_after: Includes 47,836 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 6, 2026 22:45 UTC |
Mendel ScottDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0001515051-26-000001 · primarydocument.xml · nonDerivative · entry 1 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 54,109 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 47,836 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 6, 2026 22:45 UTC |
Flynn KarenDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0001553599-26-000001 · primarydocument.xml · nonDerivative · entry 1 Flynn Karen · CIK 0001553599 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,212 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 35,216 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 14, 2026 16:01 UTC |
Elliott Jeffrey ThomasDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0001689757-26-000001 · primarydocument.xml · nonDerivative · entry 1 Elliott Jeffrey Thomas · CIK 0001689757 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 42,792 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 31,402 restricted stock units. Read SEC document |
| January 02, 2026 Filed Jan 15, 2026 18:56 UTC |
MEISTER PAUL MDirector
|
GrantCommon Stock | 3,974 | $0.00 | $0.00 |
DisclosureSEC source: 0001033876-26-000001 · primarydocument.xml · nonDerivative · entry 1 MEISTER PAUL M · CIK 0001033876 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 313,253 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third and fourth quarter of 2025. Read SEC document |
| January 02, 2026 Filed Jan 15, 2026 17:29 UTC |
Magovcevic-Liebisch IvanaDirector
|
GrantCommon Stock | 23,372 | $0.00 | $0.00 |
DisclosureSEC source: 0001279281-26-000001 · primarydocument.xml · nonDerivative · entry 1 Magovcevic-Liebisch Ivana · CIK 0001279281 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 43,607 F1 · shares: Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. F2 · balance_after: Includes 43,607 restricted stock units. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 21:51 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 258 | $6.36 | $1,640.88 |
DisclosureSEC source: 0001867276-26-000001 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 508,446 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 761 restricted stock units (RSUs). F2 · balance_after: Includes 211,362 RSUs. Read SEC document |
| December 15, 2025 Filed Dec 18, 2025 20:28 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $7.41 | $1,696.89 |
DisclosureSEC 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. Read SEC document |
| December 15, 2025 Filed Dec 18, 2025 20:27 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $7.41 | $9,203.22 |
DisclosureSEC source: 0001867276-25-000009 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 508,704 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 3,722 restricted stock units (RSUs). F2 · balance_after: Includes 212,123 RSUs Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 16:53 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $7.26 | $1,844.04 |
DisclosureSEC source: 0001867276-25-000008 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 509,946 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 761 restricted stock units (RSUs). F2 · balance_after: Includes 215,845 RSUs Read SEC document |
| November 20, 2025 Filed Nov 25, 2025 00:07 UTC |
DONNELLY WILLIAM PDirector · Executive Chair
|
GrantStock Options (Right to buy) · Derivative | 70,091 | $0.00 Strike: $5.91 | $0.00 |
DisclosureSEC source: 0001207928-25-000005 · primarydocument.xml · derivative · entry 1 DONNELLY WILLIAM P · CIK 0001207928 · Director · Executive Chair 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 70,091 Underlying: Common Stock · 70,091 shares Expires 2035-11-20 F1 · derivative.exercise_date: The stock options vest monthly over two years in 24 equal installments, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Read SEC document |
| November 20, 2025 Filed Nov 25, 2025 19:37 UTC |
Hampton Malcolm GarretDirector
|
GrantCommon Stock | 46,727 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001698265-25-000004 · primarydocument.xml · nonDerivative · entry 1 Hampton Malcolm Garret · CIK 0001698265 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,727 F1 · price: Represents the number of shares of common stock issuable on the vesting of restricted stock units ("RSUs"). The RSUs vest as to one-third of the total number of shares on each of November 20, 2026, November 20, 2027 and November 20, 2028, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Read SEC document |
| November 20, 2025 Filed Dec 8, 2025 14:33 UTC |
Sachs Alan BruceDirector
|
GrantCommon Stock | 46,727 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002098803-25-000006 · primarydocument.xml · nonDerivative · entry 1 Sachs Alan Bruce · CIK 0002098803 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,727 F1 · price: Represents the number of shares of common stock issuable on the vesting of restricted stock units ("RSUs"). The RSUs vest as to one-third of the total number of shares on each of November 20, 2026, November 20, 2027 and November 20, 2028, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Read SEC document |
| November 15, 2025 Filed Nov 24, 2025 19:52 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $5.78 | $1,323.62 |
DisclosureSEC 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 |
| November 15, 2025 Filed Nov 24, 2025 19:51 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $5.74 | $7,129.08 |
DisclosureSEC source: 0001867276-25-000007 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 510,200 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 2,480 restricted stock units (RSUs). F2 · balance_after: Includes 216,606 RSUs. Read SEC document |
| October 31, 2025 Filed Nov 5, 2025 18:12 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $5.34 | $1,356.36 |
DisclosureSEC source: 0001867276-25-000006 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 511,442 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 761 restricted stock units (RSUs). F2 · balance_after: Includes 219,086 RSUs Read SEC document |
| October 15, 2025 Filed Oct 18, 2025 01:44 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $5.78 | $1,323.62 |
DisclosureSEC 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 |
| October 15, 2025 Filed Oct 18, 2025 01:43 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $5.78 | $7,178.76 |
DisclosureSEC source: 0001867276-25-000005 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 511,696 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 3,722 restricted stock units (RSUs). F2 · balance_after: Includes 219,847 RSUs Read SEC document |
| October 01, 2025 Filed Oct 4, 2025 00:54 UTC |
LAI GOLDMAN MYLADirector
|
GrantCommon Stock | 2,084 | $5.54 | $11,545.36 |
DisclosureSEC source: 0001168581-25-000003 · primarydocument.xml · nonDerivative · entry 1 LAI GOLDMAN MYLA · CIK 0001168581 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,488 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on October 1, 2025. F3 · balance_after: Includes 24,464 restricted stock units. Read SEC document |
| October 01, 2025 Filed Oct 4, 2025 00:54 UTC |
DONNELLY WILLIAM PDirector
|
GrantCommon Stock | 5,076 | $5.54 | $28,121.04 |
DisclosureSEC source: 0001207928-25-000004 · primarydocument.xml · nonDerivative · entry 1 DONNELLY WILLIAM P · CIK 0001207928 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 148,374 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on October 1, 2025. F3 · balance_after: Includes 12,955 restricted stock units. Read SEC document |
| October 01, 2025 Filed Oct 3, 2025 20:04 UTC |
WALT DAVID RDirector
|
GrantCommon Stock | 2,594 | $5.54 | $14,370.76 |
DisclosureSEC source: 0001205236-25-000003 · primarydocument.xml · nonDerivative · entry 1 WALT DAVID R · CIK 0001205236 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,871,675 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on October 1, 2025. F3 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| October 01, 2025 Filed Oct 4, 2025 00:53 UTC |
Mendel ScottDirector
|
GrantCommon Stock | 2,084 | $5.54 | $11,545.36 |
DisclosureSEC source: 0001515051-25-000003 · primarydocument.xml · nonDerivative · entry 1 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,737 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on October 1, 2025. F3 · balance_after: Includes 24,464 restricted stock units. Read SEC document |
| September 30, 2025 Filed Oct 2, 2025 23:31 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $5.43 | $1,379.22 |
DisclosureSEC source: 0001867276-25-000004 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 512,938 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 761 restricted stock units (RSUs). F2 · balance_after: Includes 223,569 RSUs. Read SEC document |
| September 15, 2025 Filed Sep 18, 2025 00:11 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $4.97 | $1,138.13 |
DisclosureSEC 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 |
| September 15, 2025 Filed Sep 18, 2025 00:10 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $4.97 | $6,172.74 |
DisclosureSEC source: 0001867276-25-000003 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 513,192 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 3,722 RSUs. F2 · balance_after: Includes 224,330 restricted stock units. Read SEC document |
| September 12, 2025 Filed Sep 17, 2025 14:24 UTC |
Sriram VandanaChief Financial Officer
|
PurchaseCommon Stock | 4,150 | $4.79 | $19,878.50 |
DisclosureSEC source: 0001908223-25-000005 · primarydocument.xml · nonDerivative · entry 1 Sriram Vandana · CIK 0001908223 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 87,200 F1 · balance_after: Includes 72,447 restricted stock units. Read SEC document |
| August 31, 2025 Filed Sep 3, 2025 14:31 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $4.55 | $1,155.70 |
DisclosureSEC source: 0001562180-25-006066 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 514,434 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 761 RSUs. F2 · balance_after: Includes 228,052 restricted stock units. Read SEC document |
| August 15, 2025 Filed Aug 19, 2025 20:38 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $4.57 | $1,046.53 |
DisclosureSEC source: 0001562180-25-005891 · primarydocument.xml · nonDerivative · entry 1 Sriram Vandana · CIK 0001908223 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 83,050 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 777 RSUs. F2 · balance_after: Includes 72,447 restricted stock units. Read SEC document |
| August 15, 2025 Filed Aug 19, 2025 20:36 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $4.57 | $5,675.94 |
DisclosureSEC source: 0001562180-25-005890 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 514,688 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 3,722 RSUs. F2 · balance_after: Includes 228,813 restricted stock units. Read SEC document |
| July 31, 2025 Filed Aug 4, 2025 20:03 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $5.94 | $1,508.76 |
DisclosureSEC source: 0001562180-25-005615 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 515,930 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 761 RSUs. F2 · balance_after: Includes 232,535 restricted stock units. Read SEC document |
| July 15, 2025 Filed Jul 17, 2025 20:37 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $5.49 | $6,818.58 |
DisclosureSEC source: 0001562180-25-005454 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 516,184 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 3,722 RSUs. F2 · balance_after: Includes 233,296 restricted stock units. Read SEC document |
| July 15, 2025 Filed Jul 17, 2025 20:38 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $5.49 | $1,257.21 |
DisclosureSEC source: 0001562180-25-005455 · primarydocument.xml · nonDerivative · entry 1 Sriram Vandana · CIK 0001908223 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 83,279 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 777 RSUs. F2 · balance_after: Includes 73,224 restricted stock units. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
LAI GOLDMAN MYLADirector
|
GrantStock Option (right to buy) · Derivative | 50,758 | $0.00 Strike: $6.54 | $0.00 |
DisclosureSEC source: 0001562180-25-005380 · primarydocument.xml · derivative · entry 3 LAI GOLDMAN MYLA · CIK 0001168581 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,758 Underlying: Common Stock · 50,578 shares Expires 2035-07-08 F4 · derivative.exercise_date: The option vests as to one-third of the shares on July 8, 2026, and the remaining two-thirds of the shares vest monthly thereafter over two years in 24 successive equal installments. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
LAI GOLDMAN MYLADirector
|
GrantCommon Stock | 24,464 | $0.00 | $0.00 |
DisclosureSEC source: 0001562180-25-005380 · primarydocument.xml · nonDerivative · entry 2 LAI GOLDMAN MYLA · CIK 0001168581 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,404 F2 · shares: Represents shares of stock issuable on vesting of restricted stock units. The restricted stock units vest as to one-third of the shares on each of July 8, 2026, July 8, 2027 and July 8, 2028. F3 · balance_after: Includes 24,464 restricted stock units. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
LAI GOLDMAN MYLADirector
|
GrantCommon Stock | 2,940 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001562180-25-005380 · primarydocument.xml · nonDerivative · entry 1 LAI GOLDMAN MYLA · CIK 0001168581 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,940 F1 · price: Received in exchange for 20,000 shares of Akoya Biosciences, Inc. ("Akoya") common stock in connection with the acquisition of Akoya by Quanterix on July 8, 2025. Dr. Lai-Goldman received: (a) 0.1470 of a share of Quanterix common stock and (b) $0.37 in cash, for each share of Akoya common stock. The closing price of the Quanterix common stock on July 8, 2025 was $6.54 per share. The closing price of the Akoya common stock on July 7, 2025 was $1.29 per share. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
Mendel ScottDirector
|
GrantStock Option (right to buy) · Derivative | 50,758 | $0.00 Strike: $6.54 | $0.00 |
DisclosureSEC source: 0001562180-25-005379 · primarydocument.xml · derivative · entry 3 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,758 Underlying: Common Stock · 50,578 shares Expires 2035-07-08 F4 · derivative.exercise_date: The option vests as to one-third of the shares on July 8, 2026, and the remaining two-thirds of the shares vest monthly thereafter over two years in 24 successive equal installments. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
Mendel ScottDirector
|
GrantCommon Stock | 24,464 | $0.00 | $0.00 |
DisclosureSEC source: 0001562180-25-005379 · primarydocument.xml · nonDerivative · entry 2 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 28,653 F2 · shares: Represents shares of stock issuable on vesting of restricted stock units. The restricted stock units vest as to one-third of the shares on each of July 8, 2026, July 8, 2027 and July 8, 2028. F3 · balance_after: Includes 24,464 restricted stock units. Read SEC document |
| July 08, 2025 Filed Jul 11, 2025 00:39 UTC |
Mendel ScottDirector
|
GrantCommon Stock | 4,189 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001562180-25-005379 · primarydocument.xml · nonDerivative · entry 1 Mendel Scott · CIK 0001515051 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,189 F1 · price: Received in exchange for 28,500 shares of Akoya Biosciences, Inc. ("Akoya") common stock in connection with the acquisition of Akoya by Quanterix on July 8, 2025. Mr. Mendel received: (a) 0.1470 of a share of Quanterix common stock and (b) $0.37 in cash, for each share of Akoya common stock. The closing price of the Quanterix common stock on July 8, 2025 was $6.54 per share. The closing price of the Akoya common stock on July 7, 2025 was $1.29 per share. Read SEC document |
| July 01, 2025 Filed Jul 2, 2025 21:39 UTC |
MEISTER PAUL MDirector
|
GrantCommon Stock | 2,242 | $6.69 | $14,998.98 |
DisclosureSEC source: 0001562180-25-005256 · primarydocument.xml · nonDerivative · entry 1 MEISTER PAUL M · CIK 0001033876 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 309,279 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2025. F3 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| July 01, 2025 Filed Jul 2, 2025 21:37 UTC |
DONNELLY WILLIAM PDirector
|
GrantCommon Stock | 4,204 | $6.69 | $28,124.76 |
DisclosureSEC source: 0001562180-25-005253 · primarydocument.xml · nonDerivative · entry 1 DONNELLY WILLIAM P · CIK 0001207928 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 143,298 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2025. F3 · balance_after: Includes 12,955 restricted stock units. Read SEC document |
| July 01, 2025 Filed Jul 2, 2025 17:35 UTC |
WALT DAVID RDirector
|
GrantCommon Stock | 2,148 | $6.69 | $14,370.12 |
DisclosureSEC source: 0001562180-25-005252 · primarydocument.xml · nonDerivative · entry 1 WALT DAVID R · CIK 0001205236 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,869,081 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2025. F3 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| July 01, 2025 Filed Jul 3, 2025 14:37 UTC |
Hlavinka Sarah E.Director
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GrantCommon Stock | 2,615 | $6.69 | $17,494.35 |
DisclosureSEC source: 0001562180-25-005307 · primarydocument.xml · nonDerivative · entry 1 Hlavinka Sarah E. · CIK 0001433554 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,070 F1 · shares: Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2025. F2 · price: Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2025. F3 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| June 30, 2025 Filed Jul 2, 2025 20:27 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 254 | $6.65 | $1,689.10 |
DisclosureSEC source: 0001562180-25-005234 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 517,426 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 761 RSUs. F2 · balance_after: Includes 237,018 restricted stock units. Read SEC document |
| June 15, 2025 Filed Jun 17, 2025 21:18 UTC |
Toloue MasoudDirector · President & CEO
|
Tax withholdingCommon Stock | 1,242 | $6.06 | $7,526.52 |
DisclosureSEC source: 0001562180-25-004913 · primarydocument.xml · nonDerivative · entry 1 Toloue Masoud · CIK 0001867276 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 517,680 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 3,722 RSUs. F2 · balance_after: Includes 241,779 restricted stock units. Read SEC document |
| June 15, 2025 Filed Jun 17, 2025 21:18 UTC |
Sriram VandanaChief Financial Officer
|
Tax withholdingCommon Stock | 229 | $6.06 | $1,387.74 |
DisclosureSEC source: 0001562180-25-004912 · primarydocument.xml · nonDerivative · entry 1 Sriram Vandana · CIK 0001908223 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 83,508 F1 · shares: Shares withheld by Quanterix Corporation solely to cover tax obligations upon the vesting of 777 RSUs. F2 · balance_after: Includes 74,001 restricted stock units. Read SEC document |
| June 13, 2025 Filed Jun 13, 2025 16:39 UTC |
WALT DAVID RDirector
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PurchaseCommon Stock | 123,990 | $6.14 | $760,802.64 |
DisclosureSEC source: 0001562180-25-004820 · primarydocument.xml · nonDerivative · entry 2 WALT DAVID R · CIK 0001205236 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,866,933 F3 · price: This transaction was executed in multiple trades at prices ranging from $5.96 to $6.235 The price reported reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. F2 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| June 12, 2025 Filed Jun 13, 2025 16:39 UTC |
WALT DAVID RDirector
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PurchaseCommon Stock | 36,010 | $6.23 | $224,165.85 |
DisclosureSEC source: 0001562180-25-004820 · primarydocument.xml · nonDerivative · entry 1 WALT DAVID R · CIK 0001205236 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,742,943 F1 · price: This transaction was executed in multiple trades at prices ranging from $6.17 to $6.31. The price reported reflects the weighted average purchase price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. F2 · balance_after: Includes 7,435 restricted stock units. Read SEC document |
| June 09, 2025 Filed Jun 9, 2025 17:44 UTC |
WALT DAVID RDirector
|
PurchaseCommon Stock | 78,131 | $5.34 | $417,219.54 |
DisclosureSEC source: 0001562180-25-004657 · primarydocument.xml · nonDerivative · entry 2 WALT DAVID R · CIK 0001205236 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,706,933 F3 · price: This transaction was executed in multiple trades at prices ranging from $5.08 to $5.59. The price reported reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. F2 · balance_after: Includes 7,435 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.