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DONNELLY WILLIAM P

Reporting owner on Forms 3, 4 and 5, CIK 1207928.

DONNELLY WILLIAM P reported on 2 issuers in 2 filings, the latest a Form 4 filed 2026-10-02.

Issuers

IssuerRoles in the latest filingFilingsLast filed
PRICE T ROWE GROUP INC CIK 1113169director12026-09-30
Quanterix Corp CIK 1503274director12026-10-02

Transactions and holdings

Every row of the person's Forms 3, 4 and 5, newest first, with the price and the amount owned after the row as filed.

SecurityDateCodeSharesPriceOwned afterFiling
Quanterix Corp Common Stock2026-10-01A granted+6,964$3.41169,365Form 4
PRICE T ROWE GROUP INC Common Stock2026-09-29A granted+163.9926$104.5113,347.7371Form 4

Filings

The person's Forms 3, 4 and 5, and any 13D or 13G naming it.

FilingSubjectFiledAcceptedIngested
Form 4 0001207928-26-000011 Quanterix Corp2026-10-02
Form 4 0001207928-26-000010 PRICE T ROWE GROUP INC2026-09-30