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William P. Donnelly

Insider · Director · QTRX

William P. Donnelly files insider transactions with the SEC as an executive chair of Quanterix (QTRX). We hold 2 disclosed purchases and sales filed since 21 April 2006, 2 of them in the last 90 days.

  • Files forQTRX
  • Disclosed buys and sells2 in all, 2 in the last 90 days
  • Last disclosure19 August 2026

Positions held

5 posts we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 17 August 2023 — 17 August 2026Executive Chair · Quanterix (QTRX)26 Form 4 lines · source: SEC Form 4
  • Filed 2 November 2023 — 30 June 2026Director · Price T Rowe Group (TROW)24 Form 4 lines · source: SEC Form 4
  • Filed 6 March 2020 — 26 February 2026Director · Ingersoll Rand (IR)23 Form 4 lines · source: SEC Form 4
  • Filed 11 May 2017 — 21 February 2020Director · Gardner Denver Holdings (GDI)5 Form 4 lines · source: SEC Form 4
  • Filed 19 April 2006 — 24 December 2018Executive Vice President · Mettler Toledo International Inc/ (MTD)578 Form 4 lines · source: SEC Form 4

Everything they disclosed

120 entries, newest first — one per disclosure report, one per Form 4 line

Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.