Quanterix (QTRX) director now holds 162,401 shares
Rhea-AI Filing Summary
Quanterix Corp (QTRX) director William P. Donnelly reported the vesting and conversion of restricted stock units into common stock. On 2026-08-17, 2,802 restricted stock units converted into 2,802 shares of common stock on a one-for-one basis, eliminating that RSU position. Following this transaction, Donnelly directly holds 162,401 shares of Quanterix common stock.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Buyer: 2,802 shares
Net Buy
2 txns
Insider
DONNELLY WILLIAM P
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Unit F2 | 2,802 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 2,802 | -- | -- |
Holdings After Transaction:
Restricted Stock Unit — 0 shares (Direct);
Common Stock — 162,401 shares (Direct)
Footnotes (2)
- F1. Restricted stock units convert into common stock on a one-for-one basis.
- F2. On August 17, 2023, the reporting person was granted 8,238 restricted stock units, vesting 33%, 33%, and 34% on the first, second, and third anniversaries of the grant date, respectively.
Key Figures
RSUs converted: 2,802 restricted stock units
Common shares received: 2,802 shares of common stock
Shares owned after transaction: 162,401 shares
+1 more
4 metrics
RSUs converted
2,802 restricted stock units
RSUs converting into common stock on 2026-08-17
Common shares received
2,802 shares of common stock
Shares issued upon RSU conversion on 2026-08-17
Shares owned after transaction
162,401 shares
Directly owned Quanterix common stock following the reported transactions
Original RSU grant
8,238 restricted stock units
Granted on August 17, 2023 with 33%/33%/34% annual vesting schedule
Key Terms
Restricted stock units, derivative security, one-for-one basis
3 terms
Restricted stock units financial
"On August 17, 2023, the reporting person was granted 8,238 restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
one-for-one basis financial
"Restricted stock units convert into common stock on a one-for-one basis"
FAQ
What insider transaction did William P. Donnelly report for Quanterix Corp (QTRX)?
William P. Donnelly reported the vesting and conversion of 2,802 restricted stock units into 2,802 shares of Quanterix common stock on 2026-08-17, reflecting an equity award settlement rather than an open-market trade.
What happened to the 2,802 restricted stock units in the Quanterix (QTRX) Form 4?
The 2,802 restricted stock units were reported as disposed of as derivatives because they converted one-for-one into 2,802 shares of Quanterix common stock on 2026-08-17, eliminating that specific RSU position.
When were the restricted stock units in this Quanterix (QTRX) filing originally granted?
The filing states that on August 17, 2023, the reporting person was granted 8,238 restricted stock units, vesting 33%, 33%, and 34% on the first, second, and third anniversaries of the grant date, respectively, providing the source for the 2026 vesting event.
What does one-for-one RSU conversion mean in the Quanterix (QTRX) Form 4?
The filing explains that the restricted stock units convert into common stock on a one-for-one basis, meaning each RSU delivers one share of Quanterix common stock upon vesting or settlement, as occurred with the 2,802-unit conversion.
AI-generated analysis. How Rhea-AI works. Not financial advice.
