Reporting owner · CIK 0001207928

Donnelly William P

Visual SEC Form 4 history across 3 companies, 16 transactions and 7 filings.

DIRQuanterix Corp
Open-market mix
Latest filingAug 19, 2026, 10:37 AM
Filings7Form 4 records
Buying$00 purchases
Selling$00 sales
Net value$0Buys minus sells
Companies35 securities
Most recentAug 17, 2026exercise

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
No open-market purchases or sales in this history.

Net value flow

Buys minus sells

Dec 23
$0
Jan 24
$0
Jan 25
$0
Feb 25
$0
Dec 25
$0
Jan 26
$0
Aug 26
$0

Transaction texture

Ownership and ticket size

Average P/S size—
Median P/S size—
Direct16
Indirect0
Aug 17, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Derivative Transactionfiling-context5Direct Ownershipfiling-context16Large Holdings Increaseholdings3

Latest Form 4 facts

Quick context from source filings

Latest transaction

No latest transaction fact is available.

Latest buy

No open-market insider purchase is available.

Latest sale

No open-market insider sale is available.

Associated companies

Visual map of known reporting history

QTRXQuanterix Corp9 transactions · latest Aug 19, 2026, 10:37 AMTROWPRICE T ROWE GROUP INC4 transactions · latest Jan 02, 2026, 04:09 PMIRIngersoll Rand Inc.3 transactions · latest Mar 01, 2025, 12:15 AM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
QTRXDONNELLY WILLIAM P
DIR
exercise2.80k$0M
Derivative Transaction Direct Ownership
−15.5%08/1908/17
QTRXDONNELLY WILLIAM P
DIR
exercise2.80k—M
Direct Ownership
−15.5%08/1908/17
QTRXDONNELLY WILLIAM P
CHAIR
grant2.37k$0A
Direct Ownership
—01/0701/02
TROWDONNELLY WILLIAM P
DIR
grant119$1.22MA
Direct Ownership
−14.1%01/0212/30/2025
TROWDONNELLY WILLIAM P
DIR
grant621$0A
Direct Ownership
−14.1%01/0212/31/2025
IRDONNELLY WILLIAM P
DIR
exercise2.79k$0M
Derivative Transaction Direct Ownership
—03/01/202502/27/2025
IRDONNELLY WILLIAM P
DIR
grant3.02k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—03/01/202502/26/2025
IRDONNELLY WILLIAM P
DIR
exercise2.79k—M
Direct Ownership
—03/01/202502/27/2025
QTRXDONNELLY WILLIAM P
DIR
grant15.8k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
—01/06/202501/02/2025
QTRXDONNELLY WILLIAM P
DIR
grant1.28k$1.37MA
Direct Ownership
—01/06/202501/02/2025

Donnelly William P Insider Activity FAQ

SEC Form 4 context

Who is Donnelly William P?

Donnelly William P is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001207928.

Which companies has Donnelly William P reported transactions for?

Quanterix Corp, PRICE T ROWE GROUP INC, Ingersoll Rand Inc.

When was Donnelly William P's latest insider buy?

No open-market insider purchase is available for this period.

When was Donnelly William P's latest insider sale?

No open-market insider sale is available for this period.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.