1 unchanged sentence
Securities Trading Plans of Directors and Executive Officers
−Removed: During the three months ended March 31, 2025, none of our directors or officers adopted or terminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement” (as defined in Item 408(c) of Regulation S-K).
+Added: During the three months ended June 30, 2025, none of our directors or officers adopted or terminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement” (as defined in Item 408(c) of Regulation S-K).
Number Exhibit Description Filed
2 unchanged sentences
from Form or Schedule Filing Date SEC File/
−Removed: 2.1* Agreement and Plan of Merger, dated January 9, 2025, by and among the Registrant, Wellfleet Merger Sub, Inc., and Akoya Biosciences, Inc.
−Removed: 8-K 01/10/2025 001-38319
Amended and Restated Agreement and Plan of Merger, dated April 28 , 2025, by and among the Registrant, Wellfleet Merger Sub, Inc., and Akoya Biosciences, Inc.
3 unchanged sentences
3.2 Restated Bylaws.
−Removed: 10-Q 08/08/2023 001-38319
−Removed: 10.1* Voting and Support Agreement, dated January 9, 2025, by and among the Registrant and certain stockholders of Akoya Biosciences, Inc.
−Removed: named therein.
−Removed: 8-K 01/10/2025 001-38319
+Added: 08/07/2025 001-38319
Consent and Waiver under, the Voting and Support Agreement, dated April 28, 2025, by and among the Registrant and certain stockholders of Akoya Biosciences, Inc.
17 unchanged sentences
8-K 04/29/2025 001-38319
+Added: Third Amendment to Supply and Manufacturing Agreement , entered into on June 17, 2025 and effective as of January 1 , 20 25 , between the Registrant and STRATEC SE
31.1 Certification of the Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
11 unchanged sentences
provided, however, that the Registrant may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any exhibits or schedules so furnished.
+Added: Portions of this document (indicated by “[***]”) have been omitted because such information is not material and is the type of information that the Registrant treats as private or confidential.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
QUANTERIX CORPORATION
+Added: August 7, 2025
/s/ Masoud Toloue, Ph.D.
2 unchanged sentences
(principal executive officer)
+Added: August 7, 2025
/s/ Vandana Sriram
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.