Reporting owner · Q3 2026 · CIK 1207928

Donnelly William P: insider trades.

Donnelly William P reported 7 non-derivative transactions on 5 SEC ownership filings in Q3 2026: 2 open-market purchases ($286K) and 0 sales, across 2 companies.

Transactions
7
Purchases (P)
2
Sales (S)
0
Companies
2
Name as filed
DONNELLY WILLIAM P

Companies

CompanyRelationshipTransactions
Quanterix Corp (QTRX)Director4
Price T Rowe Group Inc (TROW)Director3

Transactions

7 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-29Price T Rowe Group IncA164$104.5113,348Form 4
2026-08-17Quanterix CorpM2,802—162,401Form 4
2026-08-13Quanterix CorpP72,245$2.9399,400Form 4
2026-08-12Quanterix CorpP27,155$2.7527,155Form 4
2026-07-01Quanterix CorpA5,472$4.34160,305Form 4
2026-06-30Price T Rowe Group IncA576$013,184Form 4
2026-06-29Price T Rowe Group IncA142$114.3812,608Form 4

Questions

What stock did Donnelly William P buy or sell?

Donnelly William P reported 7 non-derivative transactions on 5 SEC ownership filings in Q3 2026: 2 open-market purchases ($286K) and 0 sales, across 2 companies.

Is Donnelly William P the same person as other filers with this name?

This page covers SEC CIK 1207928 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/donnelly-william-p-1207928.md

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